diff --git a/stage0/stdlib/Init/Notation.c b/stage0/stdlib/Init/Notation.c
index 00d4d6c211..3013fe5f65 100644
--- a/stage0/stdlib/Init/Notation.c
+++ b/stage0/stdlib/Init/Notation.c
@@ -1092,6 +1092,7 @@ static lean_object* l___aux__Init__Notation______macroRules__term___x5e_x5e_x5e_
 static lean_object* l_termWithout__expected__type_____closed__3;
 static lean_object* l_stx___x2c_x2a_x2c_x3f___closed__1;
 static lean_object* l_term___u2209_____closed__5;
+LEAN_EXPORT lean_object* l_Lean_Parser_Category_structInstFieldDecl;
 static lean_object* l_term_x7b___x3a___x2f_x2f___x7d___closed__13;
 static lean_object* l___aux__Init__Notation______macroRules__stx___x3f__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_instCoeOutTSyntaxSyntax(lean_object*);
@@ -1706,6 +1707,14 @@ x_1 = lean_box(0);
 return x_1;
 }
 }
+static lean_object* _init_l_Lean_Parser_Category_structInstFieldDecl() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_box(0);
+return x_1;
+}
+}
 static lean_object* _init_l_Lean_Parser_Category_level() {
 _start:
 {
@@ -26711,6 +26720,8 @@ l_Lean_Parser_Category_tactic = _init_l_Lean_Parser_Category_tactic();
 lean_mark_persistent(l_Lean_Parser_Category_tactic);
 l_Lean_Parser_Category_doElem = _init_l_Lean_Parser_Category_doElem();
 lean_mark_persistent(l_Lean_Parser_Category_doElem);
+l_Lean_Parser_Category_structInstFieldDecl = _init_l_Lean_Parser_Category_structInstFieldDecl();
+lean_mark_persistent(l_Lean_Parser_Category_structInstFieldDecl);
 l_Lean_Parser_Category_level = _init_l_Lean_Parser_Category_level();
 lean_mark_persistent(l_Lean_Parser_Category_level);
 l_Lean_Parser_Category_attr = _init_l_Lean_Parser_Category_attr();
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
index 24b99736fe..1c763642c4 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
@@ -53,6 +53,7 @@ LEAN_EXPORT lean_object* l_Lean_mkConstWithLevelParams___at_Lean_Meta_Simp_disch
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getConstInfo___at_Lean_Meta_Simp_discharge_x3f_x27___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_sevalGround___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_useImplicitDefEqProof___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__6;
 static lean_object* l_Lean_Meta_Simp_mkDefaultMethodsCore___closed__1;
 static lean_object* l_Lean_Meta_Simp_dischargeEqnThmHypothesis_x3f___closed__3;
@@ -373,6 +374,7 @@ lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ppOrigin___at_Lean_Meta_Simp_discharge_x3f_x27___spec__1___closed__8;
 lean_object* l_Lean_Meta_Simp_recordTheoremWithBadKeys(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_simpUsingDecide___lambda__1___closed__12;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_useImplicitDefEqProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Simp_mkContext(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isArrow(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forIn_x27Unsafe_loop___at_Lean_Meta_Simp_sevalGround___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -9373,6 +9375,71 @@ lean_dec(x_3);
 return x_12;
 }
 }
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_useImplicitDefEqProof(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+uint8_t x_10; 
+x_10 = lean_ctor_get_uint8(x_1, sizeof(void*)*5 + 2);
+if (x_10 == 0)
+{
+uint8_t x_11; lean_object* x_12; lean_object* x_13; 
+x_11 = 0;
+x_12 = lean_box(x_11);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_9);
+return x_13;
+}
+else
+{
+lean_object* x_14; uint8_t x_15; 
+x_14 = l_Lean_Meta_Simp_getConfig___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_15 = !lean_is_exclusive(x_14);
+if (x_15 == 0)
+{
+lean_object* x_16; uint8_t x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_14, 0);
+x_17 = lean_ctor_get_uint8(x_16, sizeof(void*)*2 + 18);
+lean_dec(x_16);
+x_18 = lean_box(x_17);
+lean_ctor_set(x_14, 0, x_18);
+return x_14;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; lean_object* x_23; 
+x_19 = lean_ctor_get(x_14, 0);
+x_20 = lean_ctor_get(x_14, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_14);
+x_21 = lean_ctor_get_uint8(x_19, sizeof(void*)*2 + 18);
+lean_dec(x_19);
+x_22 = lean_box(x_21);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_20);
+return x_23;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_useImplicitDefEqProof___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_useImplicitDefEqProof(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_10;
+}
+}
 static lean_object* _init_l_Lean_Meta_ppSimpTheorem___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__1___closed__1() {
 _start:
 {
@@ -12412,25 +12479,32 @@ return x_2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
-uint8_t x_16; 
-x_16 = lean_ctor_get_uint8(x_4, sizeof(void*)*5 + 2);
-if (x_16 == 0)
+lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_16 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_useImplicitDefEqProof(x_1, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_unbox(x_17);
+lean_dec(x_17);
+if (x_18 == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
-lean_inc(x_4);
-x_17 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__5), 13, 4);
-lean_closure_set(x_17, 0, x_1);
-lean_closure_set(x_17, 1, x_2);
-lean_closure_set(x_17, 2, x_3);
-lean_closure_set(x_17, 3, x_4);
-x_18 = l_Lean_mkAppN(x_5, x_6);
-x_19 = l_Lean_instantiateMVars___at_Lean_Meta_Simp_synthesizeArgs___spec__1(x_18, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-x_20 = !lean_is_exclusive(x_19);
-if (x_20 == 0)
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+x_19 = lean_ctor_get(x_16, 1);
+lean_inc(x_19);
+lean_dec(x_16);
+lean_inc(x_1);
+x_20 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__5), 13, 4);
+lean_closure_set(x_20, 0, x_2);
+lean_closure_set(x_20, 1, x_3);
+lean_closure_set(x_20, 2, x_4);
+lean_closure_set(x_20, 3, x_1);
+x_21 = l_Lean_mkAppN(x_5, x_6);
+x_22 = l_Lean_instantiateMVars___at_Lean_Meta_Simp_synthesizeArgs___spec__1(x_21, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_19);
+x_23 = !lean_is_exclusive(x_22);
+if (x_23 == 0)
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_19, 0);
-x_22 = lean_ctor_get(x_19, 1);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_22, 0);
+x_25 = lean_ctor_get(x_22, 1);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
@@ -12438,89 +12512,89 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_23 = l_Lean_hasAssignableMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__2(x_21, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_22);
-if (lean_obj_tag(x_23) == 0)
+x_26 = l_Lean_hasAssignableMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__2(x_24, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
+if (lean_obj_tag(x_26) == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
+lean_object* x_27; uint8_t x_28; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_unbox(x_27);
+lean_dec(x_27);
+if (x_28 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-lean_free_object(x_19);
-lean_dec(x_4);
-x_26 = lean_ctor_get(x_23, 1);
-lean_inc(x_26);
-lean_dec(x_23);
-x_27 = lean_box(0);
-x_28 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__6(x_21, x_17, x_27, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_26);
-return x_28;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-lean_dec(x_21);
-lean_dec(x_17);
-x_29 = lean_ctor_get(x_23, 1);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+lean_free_object(x_22);
+lean_dec(x_1);
+x_29 = lean_ctor_get(x_26, 1);
 lean_inc(x_29);
-lean_dec(x_23);
-x_30 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__2;
-x_31 = l_Lean_isTracingEnabledFor___at_Lean_Meta_Simp_congrArgs___spec__1(x_30, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_29);
-x_32 = !lean_is_exclusive(x_31);
-if (x_32 == 0)
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
-x_33 = lean_ctor_get(x_31, 0);
-x_34 = lean_ctor_get(x_31, 1);
-x_35 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__1;
-x_36 = lean_unbox(x_33);
-lean_dec(x_33);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; 
-lean_free_object(x_31);
-lean_free_object(x_19);
-lean_dec(x_4);
-x_37 = lean_box(0);
-x_38 = lean_apply_9(x_35, x_37, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_34);
-return x_38;
+lean_dec(x_26);
+x_30 = lean_box(0);
+x_31 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__6(x_24, x_20, x_30, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_29);
+return x_31;
 }
 else
 {
-lean_object* x_39; 
-x_39 = l_Lean_Meta_ppSimpTheorem___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__1(x_4, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_34);
-if (lean_obj_tag(x_39) == 0)
+lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+lean_dec(x_24);
+lean_dec(x_20);
+x_32 = lean_ctor_get(x_26, 1);
+lean_inc(x_32);
+lean_dec(x_26);
+x_33 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__2;
+x_34 = l_Lean_isTracingEnabledFor___at_Lean_Meta_Simp_congrArgs___spec__1(x_33, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_32);
+x_35 = !lean_is_exclusive(x_34);
+if (x_35 == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_40 = lean_ctor_get(x_39, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_39, 1);
-lean_inc(x_41);
-lean_dec(x_39);
-x_42 = l_Lean_Meta_ppOrigin___at_Lean_Meta_Simp_discharge_x3f_x27___spec__1___closed__4;
-lean_ctor_set_tag(x_31, 7);
-lean_ctor_set(x_31, 1, x_40);
-lean_ctor_set(x_31, 0, x_42);
-x_43 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7___closed__2;
-lean_ctor_set_tag(x_19, 7);
-lean_ctor_set(x_19, 1, x_43);
-lean_ctor_set(x_19, 0, x_31);
-x_44 = l_Lean_addTrace___at_Lean_Meta_Simp_congrArgs___spec__2(x_30, x_19, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_41);
-x_45 = lean_ctor_get(x_44, 0);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_44, 1);
-lean_inc(x_46);
-lean_dec(x_44);
-x_47 = lean_apply_9(x_35, x_45, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_46);
-return x_47;
+lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_36 = lean_ctor_get(x_34, 0);
+x_37 = lean_ctor_get(x_34, 1);
+x_38 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__1;
+x_39 = lean_unbox(x_36);
+lean_dec(x_36);
+if (x_39 == 0)
+{
+lean_object* x_40; lean_object* x_41; 
+lean_free_object(x_34);
+lean_free_object(x_22);
+lean_dec(x_1);
+x_40 = lean_box(0);
+x_41 = lean_apply_9(x_38, x_40, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_37);
+return x_41;
 }
 else
 {
-uint8_t x_48; 
-lean_free_object(x_31);
-lean_free_object(x_19);
+lean_object* x_42; 
+x_42 = l_Lean_Meta_ppSimpTheorem___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__1(x_1, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_37);
+if (lean_obj_tag(x_42) == 0)
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_42, 1);
+lean_inc(x_44);
+lean_dec(x_42);
+x_45 = l_Lean_Meta_ppOrigin___at_Lean_Meta_Simp_discharge_x3f_x27___spec__1___closed__4;
+lean_ctor_set_tag(x_34, 7);
+lean_ctor_set(x_34, 1, x_43);
+lean_ctor_set(x_34, 0, x_45);
+x_46 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7___closed__2;
+lean_ctor_set_tag(x_22, 7);
+lean_ctor_set(x_22, 1, x_46);
+lean_ctor_set(x_22, 0, x_34);
+x_47 = l_Lean_addTrace___at_Lean_Meta_Simp_congrArgs___spec__2(x_33, x_22, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_44);
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_47, 1);
+lean_inc(x_49);
+lean_dec(x_47);
+x_50 = lean_apply_9(x_38, x_48, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_49);
+return x_50;
+}
+else
+{
+uint8_t x_51; 
+lean_free_object(x_34);
+lean_free_object(x_22);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -12528,118 +12602,80 @@ lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-x_48 = !lean_is_exclusive(x_39);
-if (x_48 == 0)
+x_51 = !lean_is_exclusive(x_42);
+if (x_51 == 0)
 {
-return x_39;
+return x_42;
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_39, 0);
-x_50 = lean_ctor_get(x_39, 1);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_dec(x_39);
-x_51 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_51, 0, x_49);
-lean_ctor_set(x_51, 1, x_50);
-return x_51;
-}
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-x_52 = lean_ctor_get(x_31, 0);
-x_53 = lean_ctor_get(x_31, 1);
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = lean_ctor_get(x_42, 0);
+x_53 = lean_ctor_get(x_42, 1);
 lean_inc(x_53);
 lean_inc(x_52);
-lean_dec(x_31);
-x_54 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__1;
-x_55 = lean_unbox(x_52);
-lean_dec(x_52);
-if (x_55 == 0)
-{
-lean_object* x_56; lean_object* x_57; 
-lean_free_object(x_19);
-lean_dec(x_4);
-x_56 = lean_box(0);
-x_57 = lean_apply_9(x_54, x_56, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_53);
-return x_57;
+lean_dec(x_42);
+x_54 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+return x_54;
+}
+}
+}
 }
 else
 {
-lean_object* x_58; 
-x_58 = l_Lean_Meta_ppSimpTheorem___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__1(x_4, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_53);
-if (lean_obj_tag(x_58) == 0)
+lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_55 = lean_ctor_get(x_34, 0);
+x_56 = lean_ctor_get(x_34, 1);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_dec(x_34);
+x_57 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__1;
+x_58 = lean_unbox(x_55);
+lean_dec(x_55);
+if (x_58 == 0)
 {
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_59 = lean_ctor_get(x_58, 0);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_58, 1);
-lean_inc(x_60);
-lean_dec(x_58);
-x_61 = l_Lean_Meta_ppOrigin___at_Lean_Meta_Simp_discharge_x3f_x27___spec__1___closed__4;
-x_62 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_59);
-x_63 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7___closed__2;
-lean_ctor_set_tag(x_19, 7);
-lean_ctor_set(x_19, 1, x_63);
-lean_ctor_set(x_19, 0, x_62);
-x_64 = l_Lean_addTrace___at_Lean_Meta_Simp_congrArgs___spec__2(x_30, x_19, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_60);
-x_65 = lean_ctor_get(x_64, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_64, 1);
-lean_inc(x_66);
-lean_dec(x_64);
-x_67 = lean_apply_9(x_54, x_65, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_66);
-return x_67;
+lean_object* x_59; lean_object* x_60; 
+lean_free_object(x_22);
+lean_dec(x_1);
+x_59 = lean_box(0);
+x_60 = lean_apply_9(x_57, x_59, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_56);
+return x_60;
 }
 else
 {
-lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-lean_free_object(x_19);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-x_68 = lean_ctor_get(x_58, 0);
+lean_object* x_61; 
+x_61 = l_Lean_Meta_ppSimpTheorem___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__1(x_1, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_56);
+if (lean_obj_tag(x_61) == 0)
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_62 = lean_ctor_get(x_61, 0);
+lean_inc(x_62);
+x_63 = lean_ctor_get(x_61, 1);
+lean_inc(x_63);
+lean_dec(x_61);
+x_64 = l_Lean_Meta_ppOrigin___at_Lean_Meta_Simp_discharge_x3f_x27___spec__1___closed__4;
+x_65 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_65, 0, x_64);
+lean_ctor_set(x_65, 1, x_62);
+x_66 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7___closed__2;
+lean_ctor_set_tag(x_22, 7);
+lean_ctor_set(x_22, 1, x_66);
+lean_ctor_set(x_22, 0, x_65);
+x_67 = l_Lean_addTrace___at_Lean_Meta_Simp_congrArgs___spec__2(x_33, x_22, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_63);
+x_68 = lean_ctor_get(x_67, 0);
 lean_inc(x_68);
-x_69 = lean_ctor_get(x_58, 1);
+x_69 = lean_ctor_get(x_67, 1);
 lean_inc(x_69);
-if (lean_is_exclusive(x_58)) {
- lean_ctor_release(x_58, 0);
- lean_ctor_release(x_58, 1);
- x_70 = x_58;
-} else {
- lean_dec_ref(x_58);
- x_70 = lean_box(0);
-}
-if (lean_is_scalar(x_70)) {
- x_71 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_71 = x_70;
-}
-lean_ctor_set(x_71, 0, x_68);
-lean_ctor_set(x_71, 1, x_69);
-return x_71;
-}
-}
-}
-}
+lean_dec(x_67);
+x_70 = lean_apply_9(x_57, x_68, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_69);
+return x_70;
 }
 else
 {
-uint8_t x_72; 
-lean_free_object(x_19);
-lean_dec(x_21);
-lean_dec(x_17);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+lean_free_object(x_22);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -12647,35 +12683,73 @@ lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_4);
-x_72 = !lean_is_exclusive(x_23);
-if (x_72 == 0)
-{
-return x_23;
+x_71 = lean_ctor_get(x_61, 0);
+lean_inc(x_71);
+x_72 = lean_ctor_get(x_61, 1);
+lean_inc(x_72);
+if (lean_is_exclusive(x_61)) {
+ lean_ctor_release(x_61, 0);
+ lean_ctor_release(x_61, 1);
+ x_73 = x_61;
+} else {
+ lean_dec_ref(x_61);
+ x_73 = lean_box(0);
+}
+if (lean_is_scalar(x_73)) {
+ x_74 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_74 = x_73;
+}
+lean_ctor_set(x_74, 0, x_71);
+lean_ctor_set(x_74, 1, x_72);
+return x_74;
+}
+}
+}
+}
 }
 else
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_73 = lean_ctor_get(x_23, 0);
-x_74 = lean_ctor_get(x_23, 1);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_dec(x_23);
-x_75 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_75, 0, x_73);
-lean_ctor_set(x_75, 1, x_74);
-return x_75;
-}
-}
+uint8_t x_75; 
+lean_free_object(x_22);
+lean_dec(x_24);
+lean_dec(x_20);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_75 = !lean_is_exclusive(x_26);
+if (x_75 == 0)
+{
+return x_26;
 }
 else
 {
 lean_object* x_76; lean_object* x_77; lean_object* x_78; 
-x_76 = lean_ctor_get(x_19, 0);
-x_77 = lean_ctor_get(x_19, 1);
+x_76 = lean_ctor_get(x_26, 0);
+x_77 = lean_ctor_get(x_26, 1);
 lean_inc(x_77);
 lean_inc(x_76);
-lean_dec(x_19);
+lean_dec(x_26);
+x_78 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_78, 0, x_76);
+lean_ctor_set(x_78, 1, x_77);
+return x_78;
+}
+}
+}
+else
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_79 = lean_ctor_get(x_22, 0);
+x_80 = lean_ctor_get(x_22, 1);
+lean_inc(x_80);
+lean_inc(x_79);
+lean_dec(x_22);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
@@ -12683,133 +12757,97 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_78 = l_Lean_hasAssignableMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__2(x_76, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_77);
-if (lean_obj_tag(x_78) == 0)
+x_81 = l_Lean_hasAssignableMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__2(x_79, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_80);
+if (lean_obj_tag(x_81) == 0)
 {
-lean_object* x_79; uint8_t x_80; 
-x_79 = lean_ctor_get(x_78, 0);
-lean_inc(x_79);
-x_80 = lean_unbox(x_79);
-lean_dec(x_79);
-if (x_80 == 0)
+lean_object* x_82; uint8_t x_83; 
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+x_83 = lean_unbox(x_82);
+lean_dec(x_82);
+if (x_83 == 0)
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-lean_dec(x_4);
-x_81 = lean_ctor_get(x_78, 1);
-lean_inc(x_81);
-lean_dec(x_78);
-x_82 = lean_box(0);
-x_83 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__6(x_76, x_17, x_82, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_81);
-return x_83;
-}
-else
-{
-lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
-lean_dec(x_76);
-lean_dec(x_17);
-x_84 = lean_ctor_get(x_78, 1);
+lean_object* x_84; lean_object* x_85; lean_object* x_86; 
+lean_dec(x_1);
+x_84 = lean_ctor_get(x_81, 1);
 lean_inc(x_84);
-lean_dec(x_78);
-x_85 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__2;
-x_86 = l_Lean_isTracingEnabledFor___at_Lean_Meta_Simp_congrArgs___spec__1(x_85, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_84);
-x_87 = lean_ctor_get(x_86, 0);
+lean_dec(x_81);
+x_85 = lean_box(0);
+x_86 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__6(x_79, x_20, x_85, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_84);
+return x_86;
+}
+else
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; uint8_t x_94; 
+lean_dec(x_79);
+lean_dec(x_20);
+x_87 = lean_ctor_get(x_81, 1);
 lean_inc(x_87);
-x_88 = lean_ctor_get(x_86, 1);
-lean_inc(x_88);
-if (lean_is_exclusive(x_86)) {
- lean_ctor_release(x_86, 0);
- lean_ctor_release(x_86, 1);
- x_89 = x_86;
+lean_dec(x_81);
+x_88 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__2;
+x_89 = l_Lean_isTracingEnabledFor___at_Lean_Meta_Simp_congrArgs___spec__1(x_88, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_87);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_92 = x_89;
 } else {
- lean_dec_ref(x_86);
- x_89 = lean_box(0);
+ lean_dec_ref(x_89);
+ x_92 = lean_box(0);
 }
-x_90 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__1;
-x_91 = lean_unbox(x_87);
-lean_dec(x_87);
-if (x_91 == 0)
+x_93 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__1;
+x_94 = lean_unbox(x_90);
+lean_dec(x_90);
+if (x_94 == 0)
 {
-lean_object* x_92; lean_object* x_93; 
-lean_dec(x_89);
-lean_dec(x_4);
-x_92 = lean_box(0);
-x_93 = lean_apply_9(x_90, x_92, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_88);
-return x_93;
+lean_object* x_95; lean_object* x_96; 
+lean_dec(x_92);
+lean_dec(x_1);
+x_95 = lean_box(0);
+x_96 = lean_apply_9(x_93, x_95, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_91);
+return x_96;
 }
 else
 {
-lean_object* x_94; 
-x_94 = l_Lean_Meta_ppSimpTheorem___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__1(x_4, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_88);
-if (lean_obj_tag(x_94) == 0)
+lean_object* x_97; 
+x_97 = l_Lean_Meta_ppSimpTheorem___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__1(x_1, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_91);
+if (lean_obj_tag(x_97) == 0)
 {
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-x_95 = lean_ctor_get(x_94, 0);
-lean_inc(x_95);
-x_96 = lean_ctor_get(x_94, 1);
-lean_inc(x_96);
-lean_dec(x_94);
-x_97 = l_Lean_Meta_ppOrigin___at_Lean_Meta_Simp_discharge_x3f_x27___spec__1___closed__4;
-if (lean_is_scalar(x_89)) {
- x_98 = lean_alloc_ctor(7, 2, 0);
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = l_Lean_Meta_ppOrigin___at_Lean_Meta_Simp_discharge_x3f_x27___spec__1___closed__4;
+if (lean_is_scalar(x_92)) {
+ x_101 = lean_alloc_ctor(7, 2, 0);
 } else {
- x_98 = x_89;
- lean_ctor_set_tag(x_98, 7);
+ x_101 = x_92;
+ lean_ctor_set_tag(x_101, 7);
 }
-lean_ctor_set(x_98, 0, x_97);
-lean_ctor_set(x_98, 1, x_95);
-x_99 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7___closed__2;
-x_100 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_100, 0, x_98);
-lean_ctor_set(x_100, 1, x_99);
-x_101 = l_Lean_addTrace___at_Lean_Meta_Simp_congrArgs___spec__2(x_85, x_100, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_96);
-x_102 = lean_ctor_get(x_101, 0);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_101, 1);
-lean_inc(x_103);
-lean_dec(x_101);
-x_104 = lean_apply_9(x_90, x_102, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_103);
-return x_104;
-}
-else
-{
-lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-lean_dec(x_89);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-x_105 = lean_ctor_get(x_94, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_98);
+x_102 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7___closed__2;
+x_103 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_103, 0, x_101);
+lean_ctor_set(x_103, 1, x_102);
+x_104 = l_Lean_addTrace___at_Lean_Meta_Simp_congrArgs___spec__2(x_88, x_103, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_99);
+x_105 = lean_ctor_get(x_104, 0);
 lean_inc(x_105);
-x_106 = lean_ctor_get(x_94, 1);
+x_106 = lean_ctor_get(x_104, 1);
 lean_inc(x_106);
-if (lean_is_exclusive(x_94)) {
- lean_ctor_release(x_94, 0);
- lean_ctor_release(x_94, 1);
- x_107 = x_94;
-} else {
- lean_dec_ref(x_94);
- x_107 = lean_box(0);
-}
-if (lean_is_scalar(x_107)) {
- x_108 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_108 = x_107;
-}
-lean_ctor_set(x_108, 0, x_105);
-lean_ctor_set(x_108, 1, x_106);
-return x_108;
-}
-}
-}
+lean_dec(x_104);
+x_107 = lean_apply_9(x_93, x_105, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_106);
+return x_107;
 }
 else
 {
-lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-lean_dec(x_76);
-lean_dec(x_17);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+lean_dec(x_92);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -12817,37 +12855,76 @@ lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_4);
-x_109 = lean_ctor_get(x_78, 0);
+x_108 = lean_ctor_get(x_97, 0);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_97, 1);
 lean_inc(x_109);
-x_110 = lean_ctor_get(x_78, 1);
-lean_inc(x_110);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- x_111 = x_78;
+if (lean_is_exclusive(x_97)) {
+ lean_ctor_release(x_97, 0);
+ lean_ctor_release(x_97, 1);
+ x_110 = x_97;
 } else {
- lean_dec_ref(x_78);
- x_111 = lean_box(0);
+ lean_dec_ref(x_97);
+ x_110 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_110)) {
+ x_111 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_112 = x_111;
+ x_111 = x_110;
+}
+lean_ctor_set(x_111, 0, x_108);
+lean_ctor_set(x_111, 1, x_109);
+return x_111;
 }
-lean_ctor_set(x_112, 0, x_109);
-lean_ctor_set(x_112, 1, x_110);
-return x_112;
 }
 }
 }
 else
 {
-lean_object* x_113; lean_object* x_114; 
+lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+lean_dec(x_79);
+lean_dec(x_20);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_112 = lean_ctor_get(x_81, 0);
+lean_inc(x_112);
+x_113 = lean_ctor_get(x_81, 1);
+lean_inc(x_113);
+if (lean_is_exclusive(x_81)) {
+ lean_ctor_release(x_81, 0);
+ lean_ctor_release(x_81, 1);
+ x_114 = x_81;
+} else {
+ lean_dec_ref(x_81);
+ x_114 = lean_box(0);
+}
+if (lean_is_scalar(x_114)) {
+ x_115 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_115 = x_114;
+}
+lean_ctor_set(x_115, 0, x_112);
+lean_ctor_set(x_115, 1, x_113);
+return x_115;
+}
+}
+}
+else
+{
+lean_object* x_116; lean_object* x_117; lean_object* x_118; 
 lean_dec(x_5);
-x_113 = lean_box(0);
-x_114 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__5(x_1, x_2, x_3, x_4, x_113, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-return x_114;
+x_116 = lean_ctor_get(x_16, 1);
+lean_inc(x_116);
+lean_dec(x_16);
+x_117 = lean_box(0);
+x_118 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__5(x_2, x_3, x_4, x_1, x_117, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_116);
+return x_118;
 }
 }
 }
@@ -13204,7 +13281,7 @@ x_89 = lean_ctor_get(x_80, 1);
 lean_inc(x_89);
 lean_dec(x_80);
 x_90 = lean_box(0);
-x_91 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7(x_5, x_7, x_79, x_6, x_4, x_2, x_90, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_89);
+x_91 = l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7(x_6, x_5, x_7, x_79, x_4, x_2, x_90, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_89);
 return x_91;
 }
 }
@@ -31360,7 +31437,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Simp_dischargeEqnThmHypothesis_x3f___closed__4;
 x_2 = l_Lean_Meta_Simp_dischargeEqnThmHypothesis_x3f___closed__5;
-x_3 = lean_unsigned_to_nat(556u);
+x_3 = lean_unsigned_to_nat(562u);
 x_4 = lean_unsigned_to_nat(2u);
 x_5 = l_Lean_Meta_Simp_dischargeEqnThmHypothesis_x3f___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Split.c b/stage0/stdlib/Lean/Meta/Tactic/Split.c
index 9ed66901a0..7e815a85bf 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Split.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Split.c
@@ -14,10 +14,8 @@
 extern "C" {
 #endif
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_withEqs_go___rarg___closed__1;
-static lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__3;
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_apply(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__13;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEqHEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_StateRefT_x27_instMonadExceptOf___rarg(lean_object*);
@@ -38,27 +36,27 @@ static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__10___closed__
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_simpMatch___closed__8;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__13;
 static lean_object* l_List_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__3___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_withEqs_go___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Split_splitMatch___lambda__1___closed__4;
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Split_splitMatch___closed__1;
 uint8_t l_Lean_Expr_isDIte(lean_object*);
 static lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__1;
 static lean_object* l_Lean_Meta_Split_initFn____x40_Lean_Meta_Tactic_Split___hyg_919____closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_substDiscrEqs___lambda__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__12;
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__7___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__5___boxed(lean_object**);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___closed__5;
 uint8_t l_Lean_Exception_isInterrupt(lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__8;
 static lean_object* l_Lean_Meta_Split_mkDiscrGenErrorMsg___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__3___closed__1;
@@ -78,12 +76,11 @@ static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__4___closed__2
 lean_object* lean_mk_array(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___closed__1;
 uint8_t lean_usize_dec_eq(size_t, size_t);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__15;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_simpMatch(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_generalizeTargetsEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instMonadQuotationOfMonadFunctorOfMonadLift___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs___spec__2(lean_object*, size_t, size_t, lean_object*);
-static lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___closed__2;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__11;
 lean_object* l_Lean_MVarId_replaceTargetEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_withEqs_go___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
@@ -93,7 +90,6 @@ extern lean_object* l_Lean_casesOnSuffix;
 lean_object* l_Lean_Meta_Match_MatcherInfo_arity(lean_object*);
 uint8_t l_Lean_Level_isZero(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Lean_Meta_Split_findSplit_x3f_isCandidate___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getTag(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2___closed__1;
@@ -130,7 +126,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__2(lean_o
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_withEqs_go___rarg___closed__2;
 lean_object* l_Lean_Meta_getSimpCongrTheorems___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Split_splitMatch___closed__2;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__8___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Split_throwDiscrGenError___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -141,13 +136,11 @@ static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_genera
 extern lean_object* l_instInhabitedPUnit;
 LEAN_EXPORT lean_object* l_Lean_Meta_isMatcherApp___at_Lean_Meta_Split_simpMatch_pre___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__7(lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_go(lean_object*, uint8_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_simpMatch___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_simpMatch_pre___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Split_applyMatchSplitter___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isTypeCorrect(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__1;
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_Split_splitMatch___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_pure___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -157,15 +150,13 @@ size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__8___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___closed__2;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__11;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__1___boxed(lean_object**);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__7___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__3;
-static lean_object* l_Lean_Meta_Split_splitMatch___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_simpMatch___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Expr_getRevArg_x21(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withLocalDecl___at_Lean_Meta_addPPExplicitToExposeDiff_visit___spec__3___rarg(lean_object*, uint8_t, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_RecursorInfo_0__Lean_Meta_checkMotive___spec__1(lean_object*, size_t, size_t);
 static lean_object* l_Lean_Meta_Split_isDiscrGenException___closed__1;
@@ -176,7 +167,6 @@ uint8_t lean_expr_eqv(lean_object*, lean_object*);
 lean_object* l_Array_zip___rarg(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__7___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_simpMatchTargetCore___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__2;
 lean_object* l_ReaderT_instMonadFunctor(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_simpMatch___closed__4;
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___closed__3;
@@ -184,6 +174,7 @@ uint64_t lean_uint64_shift_right(uint64_t, uint64_t);
 lean_object* l_Lean_Meta_Simp_simpMatchCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__2___closed__7;
 static lean_object* l_Lean_Meta_splitTarget_x3f_go___closed__7;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__12;
 lean_object* lean_nat_div(lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isEq(lean_object*);
@@ -196,18 +187,18 @@ lean_object* l_Lean_Name_getPrefix(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_simpMatch___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_withEqs_go(lean_object*);
 lean_object* l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Split_splitMatch___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__6___closed__5;
 lean_object* l_List_mapTR_loop___at_Lean_MessageData_instCoeListExpr___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__2___closed__5;
-static lean_object* l_Lean_Meta_Split_splitMatch___closed__3;
 lean_object* l_ReaderT_instMonadLift(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_check(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_MatcherInfo_numAlts(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813_(lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___closed__4;
-lean_object* l_Lean_Meta_Match_MatcherInfo_getFirstDiscrPos(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_withEqs_go___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs_go___closed__3;
 lean_object* l_Lean_Meta_transform___at_Lean_Meta_zetaReduce___spec__1(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -218,7 +209,7 @@ LEAN_EXPORT lean_object* l_List_forIn_x27_loop___at___private_Lean_Meta_Tactic_S
 lean_object* l_outOfBounds___rarg(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__15;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfForall(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__8___closed__1;
@@ -229,6 +220,7 @@ static lean_object* l_Lean_Meta_Split_mkDiscrGenErrorMsg___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_simpMatch___closed__9;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__14;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__1(lean_object*, lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_splitIfTarget_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -239,7 +231,6 @@ lean_object* l_Lean_Meta_mkEq(lean_object*, lean_object*, lean_object*, lean_obj
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs_go___closed__2;
 lean_object* l_Lean_Meta_splitIfLocalDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__8___boxed(lean_object**);
-uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM_loop___at_Lean_Meta_splitLocalDecl_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__3___closed__1;
 lean_object* l_Lean_Name_num___override(lean_object*, lean_object*);
@@ -256,12 +247,11 @@ lean_object* l_Lean_Expr_constName_x21(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__2___closed__6;
 extern lean_object* l_Lean_instInhabitedExpr;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_mkDiscrGenErrorMsg(lean_object*);
+static lean_object* l_Lean_Meta_Split_splitMatch___lambda__1___closed__5;
 lean_object* l_Lean_Meta_SplitIf_mkDischarge_x3f(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t l_Lean_Expr_hash(lean_object*);
-static lean_object* l_Lean_Meta_Split_splitMatch___closed__5;
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs_go___closed__5;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__9;
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___closed__6;
 static lean_object* l_panic___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___spec__3___closed__1;
@@ -271,7 +261,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__4___boxe
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_splitMatch(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2___lambda__2___closed__1;
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_lambdaTelescope___at_Lean_PrettyPrinter_Delaborator_returnsPi___spec__1___rarg(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_splitTarget_x3f_go___closed__6;
@@ -290,9 +279,8 @@ lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_simpMatchCore_pre(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalDecl_isLet(lean_object*);
 uint8_t l_Lean_Expr_isIte(lean_object*);
-lean_object* l_Lean_Meta_isMatcherAppCore_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isRflTheorem(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_Split_splitMatch___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appFn_x21(lean_object*);
@@ -311,8 +299,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f(lean_object*, uint8_t, lean
 LEAN_EXPORT lean_object* l_List_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Split_throwDiscrGenError___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__9___boxed__const__1;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__16;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_simpMatch___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -321,32 +307,32 @@ static lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic
 LEAN_EXPORT lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_append___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_MessageData_ofExpr(lean_object*);
+static lean_object* l_Lean_Meta_Split_splitMatch___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitLocalDecl_x3f___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM_loop___at_Lean_Meta_splitLocalDecl_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Core_instMonadQuotationCoreM;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__16;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_simpMatchTarget(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_simpMatch___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__8___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__1;
 lean_object* l_Lean_LocalDecl_userName(lean_object*);
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__17;
 lean_object* l_Lean_Meta_Match_MatchEqns_size(lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__3___closed__4;
 static lean_object* l_Lean_Meta_Split_simpMatch___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_substDiscrEqs___boxed__const__1;
 lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Split_splitMatch___lambda__1___closed__2;
 static lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2___closed__2;
 lean_object* l_Lean_instAddErrorMessageContextOfAddMessageContextOfMonad___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_heqToEq(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_getSimpMatchContext___closed__2;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__6;
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__2___closed__1;
 lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
 lean_object* l_Lean_Expr_replaceFVars(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate(lean_object*, uint8_t, lean_object*, lean_object*);
-static lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -355,11 +341,13 @@ lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__6___closed__1;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__6;
 lean_object* l_Lean_Meta_getFVarLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_substDiscrEqs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__8___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_findSplit_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__8___lambda__3___closed__2;
 lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassApp_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_substDiscrEqs___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -369,18 +357,18 @@ static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_genera
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_mkStr2(lean_object*, lean_object*);
 uint8_t l_Lean_Meta_isMatcherAppCore(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__7;
 lean_object* l_Lean_Meta_mkEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentExpr(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__5;
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___lambda__1___boxed(lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__10;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_StateRefT_x27_lift(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__7;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__8;
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_splitTarget_x3f_go___closed__8;
 lean_object* l_Lean_Meta_MatcherApp_toExpr(lean_object*);
@@ -388,8 +376,6 @@ static uint64_t l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_simpMatchC
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* l_Lean_exprDependsOn___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t lean_uint64_xor(uint64_t, uint64_t);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__14;
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__2___closed__1;
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 lean_object* l_Std_DHashMap_Internal_Raw_u2080_expand___at_Lean_CollectLevelMVars_visitExpr___spec__2(lean_object*);
@@ -403,7 +389,7 @@ lean_object* l_Lean_Expr_getAppFn(lean_object*);
 lean_object* lean_nat_mul(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__6___closed__2;
 static lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__2;
 LEAN_EXPORT lean_object* l_Array_filterMapM___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs___spec__1(lean_object*, lean_object*, lean_object*);
 uint64_t lean_uint64_shift_left(uint64_t, uint64_t);
 LEAN_EXPORT lean_object* l_List_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -415,21 +401,22 @@ lean_object* l_Lean_MVarId_apply(lean_object*, lean_object*, lean_object*, lean_
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1___closed__2;
 lean_object* l_List_reverse___rarg(lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__10;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__9;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_sub(size_t, size_t);
 lean_object* lean_array_mk(lean_object*);
 static lean_object* l_Lean_Meta_Split_simpMatch___lambda__2___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_splitLocalDecl_x3f___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__4;
+LEAN_EXPORT lean_object* l_Lean_Meta_splitLocalDecl_x3f___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__4;
 static lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_isMatcherApp___at_Lean_Meta_Split_simpMatch_pre___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_Simp_defaultMaxSteps;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__17;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_withEqs___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedName;
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__3___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_getSimpMatchContext(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
@@ -451,20 +438,17 @@ lean_object* l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(lean
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__7___closed__4;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Split_throwDiscrGenError___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f_go___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156_(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__3___closed__1;
 LEAN_EXPORT lean_object* l_ReaderT_pure___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___spec__2(lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_MatcherInfo_getNumDiscrEqs(lean_object*);
 static lean_object* l_Lean_Meta_Split_initFn____x40_Lean_Meta_Tactic_Split___hyg_919____closed__2;
-static lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__2;
 lean_object* l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___closed__1;
 static lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1;
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkHEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___lambda__1___closed__1;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_isAuxRecursorWithSuffix(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
@@ -473,7 +457,6 @@ static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__3___closed__7
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__4___closed__1;
 LEAN_EXPORT lean_object* l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_find_expr(lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_instAddMessageContextMetaM;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f_go(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -493,14 +476,12 @@ static lean_object* l_Lean_Meta_Split_simpMatch___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_discrGenExId;
 lean_object* l_ReaderT_instMonadExceptOf___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_simpMatch_pre___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f(lean_object*, lean_object*, uint8_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_isDiscrGenException___boxed(lean_object*);
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__3___closed__6;
 static lean_object* l_Lean_Meta_Split_simpMatch___closed__12;
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_Lean_InductiveVal_numCtors(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_simpMatchCore_pre___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__3(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___spec__1(size_t, size_t, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__6___closed__3;
@@ -508,7 +489,6 @@ static lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_S
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MessageData_ofName(lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__4;
 static lean_object* l_List_forIn_x27_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__3___closed__2;
 static lean_object* l_Lean_Meta_splitTarget_x3f_go___closed__2;
 static lean_object* l_Lean_Meta_Split_mkDiscrGenErrorMsg___closed__1;
@@ -14077,7 +14057,7 @@ return x_109;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_Split_splitMatch___closed__1() {
+static lean_object* _init_l_Lean_Meta_Split_splitMatch___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -14085,16 +14065,16 @@ x_1 = lean_mk_string_unchecked("internal error in `split` tactic: match applicat
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Split_splitMatch___closed__2() {
+static lean_object* _init_l_Lean_Meta_Split_splitMatch___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_Split_splitMatch___closed__1;
+x_1 = l_Lean_Meta_Split_splitMatch___lambda__1___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_Split_splitMatch___closed__3() {
+static lean_object* _init_l_Lean_Meta_Split_splitMatch___lambda__1___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -14102,16 +14082,16 @@ x_1 = lean_mk_string_unchecked("\nthis error typically occurs when the `split` t
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Split_splitMatch___closed__4() {
+static lean_object* _init_l_Lean_Meta_Split_splitMatch___lambda__1___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_Split_splitMatch___closed__3;
+x_1 = l_Lean_Meta_Split_splitMatch___lambda__1___closed__3;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_Split_splitMatch___closed__5() {
+static lean_object* _init_l_Lean_Meta_Split_splitMatch___lambda__1___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -14123,7 +14103,7 @@ lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_splitMatch(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Meta_Split_splitMatch___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 uint8_t x_8; lean_object* x_9; 
@@ -14132,8 +14112,8 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_2);
-x_9 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1(x_2, x_8, x_3, x_4, x_5, x_6, x_7);
+lean_inc(x_1);
+x_9 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_9) == 0)
 {
 lean_object* x_10; 
@@ -14142,16 +14122,16 @@ lean_inc(x_10);
 if (lean_obj_tag(x_10) == 0)
 {
 lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-lean_dec(x_1);
+lean_dec(x_2);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_Lean_indentExpr(x_2);
-x_13 = l_Lean_Meta_Split_splitMatch___closed__2;
+x_12 = l_Lean_indentExpr(x_1);
+x_13 = l_Lean_Meta_Split_splitMatch___lambda__1___closed__2;
 x_14 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_14, 0, x_13);
 lean_ctor_set(x_14, 1, x_12);
-x_15 = l_Lean_Meta_Split_splitMatch___closed__4;
+x_15 = l_Lean_Meta_Split_splitMatch___lambda__1___closed__4;
 x_16 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_16, 0, x_14);
 lean_ctor_set(x_16, 1, x_15);
@@ -14165,7 +14145,7 @@ return x_17;
 else
 {
 lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-lean_dec(x_2);
+lean_dec(x_1);
 x_18 = lean_ctor_get(x_9, 1);
 lean_inc(x_18);
 lean_dec(x_9);
@@ -14200,7 +14180,7 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_20);
-x_27 = l_Lean_Meta_Split_applyMatchSplitter(x_1, x_20, x_24, x_25, x_26, x_3, x_4, x_5, x_6, x_23);
+x_27 = l_Lean_Meta_Split_applyMatchSplitter(x_2, x_20, x_24, x_25, x_26, x_3, x_4, x_5, x_6, x_23);
 lean_dec(x_25);
 if (lean_obj_tag(x_27) == 0)
 {
@@ -14210,7 +14190,7 @@ lean_inc(x_28);
 x_29 = lean_ctor_get(x_27, 1);
 lean_inc(x_29);
 lean_dec(x_27);
-x_30 = l_Lean_Meta_Split_splitMatch___closed__5;
+x_30 = l_Lean_Meta_Split_splitMatch___lambda__1___closed__5;
 x_31 = l_List_foldlM___at_Lean_Meta_Split_splitMatch___spec__1(x_20, x_22, x_30, x_28, x_3, x_4, x_5, x_6, x_29);
 lean_dec(x_22);
 if (lean_obj_tag(x_31) == 0)
@@ -14307,7 +14287,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_1);
+lean_dec(x_2);
 x_49 = !lean_is_exclusive(x_21);
 if (x_49 == 0)
 {
@@ -14359,6 +14339,18 @@ return x_56;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_Split_splitMatch(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; lean_object* x_9; 
+lean_inc(x_1);
+x_8 = lean_alloc_closure((void*)(l_Lean_Meta_Split_splitMatch___lambda__1), 7, 2);
+lean_closure_set(x_8, 0, x_2);
+lean_closure_set(x_8, 1, x_1);
+x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
+return x_9;
+}
+}
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_Split_splitMatch___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -14368,633 +14360,6 @@ lean_dec(x_2);
 return x_10;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___closed__1() {
-_start:
-{
-uint8_t x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = 0;
-x_2 = lean_box(x_1);
-x_3 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_3, 0, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___closed__1;
-x_2 = lean_box(0);
-x_3 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-uint8_t x_11; 
-x_11 = lean_nat_dec_lt(x_8, x_5);
-if (x_11 == 0)
-{
-lean_dec(x_8);
-lean_dec(x_7);
-lean_inc(x_10);
-return x_10;
-}
-else
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_unsigned_to_nat(0u);
-x_13 = lean_nat_dec_eq(x_7, x_12);
-if (x_13 == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
-x_14 = lean_unsigned_to_nat(1u);
-x_15 = lean_nat_sub(x_7, x_14);
-lean_dec(x_7);
-x_16 = lean_array_get_size(x_1);
-x_17 = lean_nat_dec_lt(x_8, x_16);
-lean_dec(x_16);
-if (x_17 == 0)
-{
-lean_object* x_18; lean_object* x_19; uint8_t x_20; 
-x_18 = l_Lean_instInhabitedExpr;
-x_19 = l_outOfBounds___rarg(x_18);
-x_20 = l_Lean_Expr_hasLooseBVars(x_19);
-lean_dec(x_19);
-if (x_20 == 0)
-{
-lean_object* x_21; 
-x_21 = lean_nat_add(x_8, x_6);
-lean_dec(x_8);
-{
-lean_object* _tmp_6 = x_15;
-lean_object* _tmp_7 = x_21;
-lean_object* _tmp_8 = lean_box(0);
-lean_object* _tmp_9 = x_3;
-x_7 = _tmp_6;
-x_8 = _tmp_7;
-x_9 = _tmp_8;
-x_10 = _tmp_9;
-}
-goto _start;
-}
-else
-{
-lean_object* x_23; 
-lean_dec(x_15);
-lean_dec(x_8);
-x_23 = l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___closed__2;
-return x_23;
-}
-}
-else
-{
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_array_fget(x_1, x_8);
-x_25 = l_Lean_Expr_hasLooseBVars(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; 
-x_26 = lean_nat_add(x_8, x_6);
-lean_dec(x_8);
-{
-lean_object* _tmp_6 = x_15;
-lean_object* _tmp_7 = x_26;
-lean_object* _tmp_8 = lean_box(0);
-lean_object* _tmp_9 = x_3;
-x_7 = _tmp_6;
-x_8 = _tmp_7;
-x_9 = _tmp_8;
-x_10 = _tmp_9;
-}
-goto _start;
-}
-else
-{
-lean_object* x_28; 
-lean_dec(x_15);
-lean_dec(x_8);
-x_28 = l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___closed__2;
-return x_28;
-}
-}
-}
-else
-{
-lean_dec(x_8);
-lean_dec(x_7);
-lean_inc(x_10);
-return x_10;
-}
-}
-}
-}
-LEAN_EXPORT uint8_t l_Lean_Meta_Split_findSplit_x3f_isCandidate___lambda__1(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = 1;
-return x_2;
-}
-}
-static lean_object* _init_l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = lean_box(0);
-x_3 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__2() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_Split_findSplit_x3f_isCandidate___lambda__1___boxed), 1, 0);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__2;
-x_2 = lean_box(0);
-x_3 = lean_apply_1(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(5u);
-x_2 = lean_unsigned_to_nat(1u);
-x_3 = lean_nat_sub(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
-x_2 = lean_unsigned_to_nat(1u);
-x_3 = lean_nat_sub(x_1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_27; lean_object* x_28; uint64_t x_29; uint64_t x_30; uint64_t x_31; uint64_t x_32; uint64_t x_33; uint64_t x_34; uint64_t x_35; size_t x_36; size_t x_37; size_t x_38; size_t x_39; size_t x_40; lean_object* x_41; uint8_t x_42; 
-x_27 = lean_ctor_get(x_3, 1);
-x_28 = lean_array_get_size(x_27);
-x_29 = l_Lean_Expr_hash(x_4);
-x_30 = 32;
-x_31 = lean_uint64_shift_right(x_29, x_30);
-x_32 = lean_uint64_xor(x_29, x_31);
-x_33 = 16;
-x_34 = lean_uint64_shift_right(x_32, x_33);
-x_35 = lean_uint64_xor(x_32, x_34);
-x_36 = lean_uint64_to_usize(x_35);
-x_37 = lean_usize_of_nat(x_28);
-lean_dec(x_28);
-x_38 = 1;
-x_39 = lean_usize_sub(x_37, x_38);
-x_40 = lean_usize_land(x_36, x_39);
-x_41 = lean_array_uget(x_27, x_40);
-x_42 = l_Std_DHashMap_Internal_AssocList_contains___at_Lean_CollectLevelMVars_visitExpr___spec__1(x_4, x_41);
-lean_dec(x_41);
-if (x_42 == 0)
-{
-if (x_2 == 0)
-{
-lean_object* x_43; 
-x_43 = lean_box(0);
-x_5 = x_43;
-goto block_26;
-}
-else
-{
-uint8_t x_44; 
-x_44 = l_Lean_Expr_isIte(x_4);
-if (x_44 == 0)
-{
-uint8_t x_45; 
-x_45 = l_Lean_Expr_isDIte(x_4);
-if (x_45 == 0)
-{
-lean_object* x_46; 
-x_46 = lean_box(0);
-x_5 = x_46;
-goto block_26;
-}
-else
-{
-lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_47 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__5;
-x_48 = l_Lean_Expr_getRevArg_x21(x_4, x_47);
-lean_dec(x_4);
-x_49 = l_Lean_Expr_hasLooseBVars(x_48);
-lean_dec(x_48);
-if (x_49 == 0)
-{
-uint8_t x_50; lean_object* x_51; 
-x_50 = 1;
-x_51 = lean_box(x_50);
-return x_51;
-}
-else
-{
-uint8_t x_52; lean_object* x_53; 
-x_52 = 0;
-x_53 = lean_box(x_52);
-return x_53;
-}
-}
-}
-else
-{
-lean_object* x_54; lean_object* x_55; uint8_t x_56; 
-x_54 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__5;
-x_55 = l_Lean_Expr_getRevArg_x21(x_4, x_54);
-lean_dec(x_4);
-x_56 = l_Lean_Expr_hasLooseBVars(x_55);
-lean_dec(x_55);
-if (x_56 == 0)
-{
-uint8_t x_57; lean_object* x_58; 
-x_57 = 1;
-x_58 = lean_box(x_57);
-return x_58;
-}
-else
-{
-uint8_t x_59; lean_object* x_60; 
-x_59 = 0;
-x_60 = lean_box(x_59);
-return x_60;
-}
-}
-}
-}
-else
-{
-uint8_t x_61; lean_object* x_62; 
-lean_dec(x_4);
-x_61 = 0;
-x_62 = lean_box(x_61);
-return x_62;
-}
-block_26:
-{
-lean_object* x_6; 
-lean_dec(x_5);
-x_6 = l_Lean_Meta_isMatcherAppCore_x3f(x_1, x_4);
-if (lean_obj_tag(x_6) == 0)
-{
-uint8_t x_7; lean_object* x_8; 
-lean_dec(x_4);
-x_7 = 0;
-x_8 = lean_box(x_7);
-return x_8;
-}
-else
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_9 = lean_ctor_get(x_6, 0);
-lean_inc(x_9);
-lean_dec(x_6);
-x_10 = lean_unsigned_to_nat(0u);
-x_11 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_4, x_10);
-x_12 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__3___closed__1;
-lean_inc(x_11);
-x_13 = lean_mk_array(x_11, x_12);
-x_14 = lean_unsigned_to_nat(1u);
-x_15 = lean_nat_sub(x_11, x_14);
-lean_dec(x_11);
-x_16 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_4, x_13, x_15);
-x_17 = l_Lean_Meta_Match_MatcherInfo_getFirstDiscrPos(x_9);
-x_18 = lean_ctor_get(x_9, 1);
-lean_inc(x_18);
-lean_dec(x_9);
-x_19 = lean_nat_add(x_17, x_18);
-lean_dec(x_18);
-lean_inc(x_19);
-lean_inc(x_17);
-x_20 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_20, 0, x_17);
-lean_ctor_set(x_20, 1, x_19);
-lean_ctor_set(x_20, 2, x_14);
-x_21 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__1;
-lean_inc(x_19);
-lean_inc(x_17);
-x_22 = l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1(x_16, x_20, x_21, x_17, x_19, x_14, x_19, x_17, lean_box(0), x_21);
-lean_dec(x_19);
-lean_dec(x_17);
-lean_dec(x_20);
-lean_dec(x_16);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-lean_dec(x_22);
-if (lean_obj_tag(x_23) == 0)
-{
-lean_object* x_24; 
-x_24 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__3;
-return x_24;
-}
-else
-{
-lean_object* x_25; 
-x_25 = lean_ctor_get(x_23, 0);
-lean_inc(x_25);
-lean_dec(x_23);
-return x_25;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = l_Std_Range_forIn_x27_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-lean_dec(x_10);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___lambda__1___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___lambda__1(x_1);
-lean_dec(x_1);
-x_3 = lean_box(x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-uint8_t x_5; lean_object* x_6; 
-x_5 = lean_unbox(x_2);
-lean_dec(x_2);
-x_6 = l_Lean_Meta_Split_findSplit_x3f_isCandidate(x_1, x_5, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_go(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = lean_box(x_2);
-lean_inc(x_3);
-lean_inc(x_1);
-x_6 = lean_alloc_closure((void*)(l_Lean_Meta_Split_findSplit_x3f_isCandidate___boxed), 4, 3);
-lean_closure_set(x_6, 0, x_1);
-lean_closure_set(x_6, 1, x_5);
-lean_closure_set(x_6, 2, x_3);
-x_7 = lean_find_expr(x_6, x_4);
-lean_dec(x_6);
-if (lean_obj_tag(x_7) == 0)
-{
-lean_object* x_8; 
-lean_dec(x_3);
-lean_dec(x_1);
-x_8 = lean_box(0);
-return x_8;
-}
-else
-{
-uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_7);
-if (x_9 == 0)
-{
-lean_object* x_10; uint8_t x_11; 
-x_10 = lean_ctor_get(x_7, 0);
-x_11 = l_Lean_Expr_isIte(x_4);
-if (x_11 == 0)
-{
-uint8_t x_12; 
-x_12 = l_Lean_Expr_isDIte(x_4);
-if (x_12 == 0)
-{
-lean_dec(x_3);
-lean_dec(x_1);
-return x_7;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__5;
-x_14 = l_Lean_Expr_getRevArg_x21(x_10, x_13);
-x_15 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_2, x_3, x_14);
-lean_dec(x_14);
-if (lean_obj_tag(x_15) == 0)
-{
-return x_7;
-}
-else
-{
-uint8_t x_16; 
-lean_free_object(x_7);
-lean_dec(x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-return x_15;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_18, 0, x_17);
-return x_18;
-}
-}
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__5;
-x_20 = l_Lean_Expr_getRevArg_x21(x_10, x_19);
-x_21 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_2, x_3, x_20);
-lean_dec(x_20);
-if (lean_obj_tag(x_21) == 0)
-{
-return x_7;
-}
-else
-{
-uint8_t x_22; 
-lean_free_object(x_7);
-lean_dec(x_10);
-x_22 = !lean_is_exclusive(x_21);
-if (x_22 == 0)
-{
-return x_21;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_ctor_get(x_21, 0);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_24, 0, x_23);
-return x_24;
-}
-}
-}
-}
-else
-{
-lean_object* x_25; uint8_t x_26; 
-x_25 = lean_ctor_get(x_7, 0);
-lean_inc(x_25);
-lean_dec(x_7);
-x_26 = l_Lean_Expr_isIte(x_4);
-if (x_26 == 0)
-{
-uint8_t x_27; 
-x_27 = l_Lean_Expr_isDIte(x_4);
-if (x_27 == 0)
-{
-lean_object* x_28; 
-lean_dec(x_3);
-lean_dec(x_1);
-x_28 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_28, 0, x_25);
-return x_28;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_29 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__5;
-x_30 = l_Lean_Expr_getRevArg_x21(x_25, x_29);
-x_31 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_2, x_3, x_30);
-lean_dec(x_30);
-if (lean_obj_tag(x_31) == 0)
-{
-lean_object* x_32; 
-x_32 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_32, 0, x_25);
-return x_32;
-}
-else
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-lean_dec(x_25);
-x_33 = lean_ctor_get(x_31, 0);
-lean_inc(x_33);
-if (lean_is_exclusive(x_31)) {
- lean_ctor_release(x_31, 0);
- x_34 = x_31;
-} else {
- lean_dec_ref(x_31);
- x_34 = lean_box(0);
-}
-if (lean_is_scalar(x_34)) {
- x_35 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_35 = x_34;
-}
-lean_ctor_set(x_35, 0, x_33);
-return x_35;
-}
-}
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__5;
-x_37 = l_Lean_Expr_getRevArg_x21(x_25, x_36);
-x_38 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_2, x_3, x_37);
-lean_dec(x_37);
-if (lean_obj_tag(x_38) == 0)
-{
-lean_object* x_39; 
-x_39 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_39, 0, x_25);
-return x_39;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-lean_dec(x_25);
-x_40 = lean_ctor_get(x_38, 0);
-lean_inc(x_40);
-if (lean_is_exclusive(x_38)) {
- lean_ctor_release(x_38, 0);
- x_41 = x_38;
-} else {
- lean_dec_ref(x_38);
- x_41 = lean_box(0);
-}
-if (lean_is_scalar(x_41)) {
- x_42 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_42 = x_41;
-}
-lean_ctor_set(x_42, 0, x_40);
-return x_42;
-}
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_go___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-uint8_t x_5; lean_object* x_6; 
-x_5 = lean_unbox(x_2);
-lean_dec(x_2);
-x_6 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_5, x_3, x_4);
-lean_dec(x_4);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_3, x_4, x_2);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-uint8_t x_5; lean_object* x_6; 
-x_5 = lean_unbox(x_3);
-lean_dec(x_3);
-x_6 = l_Lean_Meta_Split_findSplit_x3f(x_1, x_2, x_5, x_4);
-lean_dec(x_2);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f_go___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
@@ -15220,2158 +14585,1612 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f_go(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_10; uint8_t x_11; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = !lean_is_exclusive(x_10);
-if (x_11 == 0)
+uint8_t x_10; 
+if (x_2 == 0)
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_12 = lean_ctor_get(x_10, 0);
-x_13 = lean_ctor_get(x_10, 1);
-x_14 = lean_ctor_get(x_12, 0);
-lean_inc(x_14);
-lean_dec(x_12);
+uint8_t x_369; 
+x_369 = 1;
+x_10 = x_369;
+goto block_368;
+}
+else
+{
+uint8_t x_370; 
+x_370 = 2;
+x_10 = x_370;
+goto block_368;
+}
+block_368:
+{
+lean_object* x_11; 
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
 lean_inc(x_4);
-x_15 = l_Lean_Meta_Split_findSplit_x3f_go(x_14, x_2, x_4, x_3);
-if (lean_obj_tag(x_15) == 0)
+lean_inc(x_3);
+x_11 = l_Lean_Meta_findSplit_x3f(x_3, x_10, x_4, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_11) == 0)
 {
-lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+lean_object* x_12; 
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
 lean_dec(x_4);
-x_16 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__3;
-x_17 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_16, x_5, x_6, x_7, x_8, x_13);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+lean_dec(x_3);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__3;
+x_15 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_14, x_5, x_6, x_7, x_8, x_13);
+x_16 = !lean_is_exclusive(x_15);
+if (x_16 == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_19 = lean_ctor_get(x_17, 0);
-x_20 = lean_ctor_get(x_17, 1);
-x_21 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___closed__1;
-x_22 = lean_unbox(x_19);
-lean_dec(x_19);
-if (x_22 == 0)
-{
-lean_object* x_23; lean_object* x_24; 
-lean_free_object(x_17);
-lean_free_object(x_10);
-lean_dec(x_1);
-x_23 = lean_box(0);
-x_24 = lean_apply_6(x_21, x_23, x_5, x_6, x_7, x_8, x_20);
-return x_24;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_25 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_25, 0, x_1);
-x_26 = l_Lean_Meta_splitTarget_x3f_go___closed__2;
-lean_ctor_set_tag(x_17, 7);
-lean_ctor_set(x_17, 1, x_25);
-lean_ctor_set(x_17, 0, x_26);
-x_27 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
-lean_ctor_set_tag(x_10, 7);
-lean_ctor_set(x_10, 1, x_27);
-lean_ctor_set(x_10, 0, x_17);
-x_28 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_16, x_10, x_5, x_6, x_7, x_8, x_20);
-x_29 = lean_ctor_get(x_28, 0);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_28, 1);
-lean_inc(x_30);
-lean_dec(x_28);
-x_31 = lean_apply_6(x_21, x_29, x_5, x_6, x_7, x_8, x_30);
-return x_31;
-}
-}
-else
-{
-lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_32 = lean_ctor_get(x_17, 0);
-x_33 = lean_ctor_get(x_17, 1);
-lean_inc(x_33);
-lean_inc(x_32);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_17 = lean_ctor_get(x_15, 0);
+x_18 = lean_ctor_get(x_15, 1);
+x_19 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___closed__1;
+x_20 = lean_unbox(x_17);
 lean_dec(x_17);
-x_34 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___closed__1;
-x_35 = lean_unbox(x_32);
-lean_dec(x_32);
-if (x_35 == 0)
+if (x_20 == 0)
 {
-lean_object* x_36; lean_object* x_37; 
-lean_free_object(x_10);
+lean_object* x_21; lean_object* x_22; 
+lean_free_object(x_15);
 lean_dec(x_1);
-x_36 = lean_box(0);
-x_37 = lean_apply_6(x_34, x_36, x_5, x_6, x_7, x_8, x_33);
-return x_37;
+x_21 = lean_box(0);
+x_22 = lean_apply_6(x_19, x_21, x_5, x_6, x_7, x_8, x_18);
+return x_22;
 }
 else
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_38 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_38, 0, x_1);
-x_39 = l_Lean_Meta_splitTarget_x3f_go___closed__2;
-x_40 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_40, 0, x_39);
-lean_ctor_set(x_40, 1, x_38);
-x_41 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
-lean_ctor_set_tag(x_10, 7);
-lean_ctor_set(x_10, 1, x_41);
-lean_ctor_set(x_10, 0, x_40);
-x_42 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_16, x_10, x_5, x_6, x_7, x_8, x_33);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_23 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_23, 0, x_1);
+x_24 = l_Lean_Meta_splitTarget_x3f_go___closed__2;
+lean_ctor_set_tag(x_15, 7);
+lean_ctor_set(x_15, 1, x_23);
+lean_ctor_set(x_15, 0, x_24);
+x_25 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
+x_26 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_26, 0, x_15);
+lean_ctor_set(x_26, 1, x_25);
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+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
+x_30 = lean_apply_6(x_19, x_28, x_5, x_6, x_7, x_8, x_29);
+return x_30;
+}
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
+x_31 = lean_ctor_get(x_15, 0);
+x_32 = lean_ctor_get(x_15, 1);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_dec(x_15);
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+x_34 = lean_unbox(x_31);
+lean_dec(x_31);
+if (x_34 == 0)
+{
+lean_object* x_35; lean_object* x_36; 
+lean_dec(x_1);
+x_35 = lean_box(0);
+x_36 = lean_apply_6(x_33, x_35, x_5, x_6, x_7, x_8, x_32);
+return x_36;
+}
+else
+{
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+x_37 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_37, 0, x_1);
+x_38 = l_Lean_Meta_splitTarget_x3f_go___closed__2;
+x_39 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_37);
+x_40 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
+x_41 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_41, 0, x_39);
+lean_ctor_set(x_41, 1, x_40);
+x_42 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_14, x_41, x_5, x_6, x_7, x_8, x_32);
 x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
 x_44 = lean_ctor_get(x_42, 1);
 lean_inc(x_44);
 lean_dec(x_42);
-x_45 = lean_apply_6(x_34, x_43, x_5, x_6, x_7, x_8, x_44);
+x_45 = lean_apply_6(x_33, x_43, x_5, x_6, x_7, x_8, x_44);
 return x_45;
 }
 }
 }
 else
 {
-uint8_t x_46; 
-x_46 = !lean_is_exclusive(x_15);
-if (x_46 == 0)
+lean_object* x_46; uint8_t x_47; 
+x_46 = lean_ctor_get(x_11, 1);
+lean_inc(x_46);
+lean_dec(x_11);
+x_47 = !lean_is_exclusive(x_12);
+if (x_47 == 0)
 {
-lean_object* x_47; uint8_t x_48; 
-x_47 = lean_ctor_get(x_15, 0);
-x_48 = l_Lean_Expr_isIte(x_47);
-if (x_48 == 0)
-{
-uint8_t x_49; 
-x_49 = l_Lean_Expr_isDIte(x_47);
+lean_object* x_48; uint8_t x_49; 
+x_48 = lean_ctor_get(x_12, 0);
+x_49 = l_Lean_Expr_isIte(x_48);
 if (x_49 == 0)
 {
-lean_object* x_50; 
+uint8_t x_50; 
+x_50 = l_Lean_Expr_isDIte(x_48);
+if (x_50 == 0)
+{
+lean_object* x_51; 
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_47);
+lean_inc(x_48);
 lean_inc(x_1);
-x_50 = l_Lean_Meta_Split_splitMatch(x_1, x_47, x_5, x_6, x_7, x_8, x_13);
-if (lean_obj_tag(x_50) == 0)
+x_51 = l_Lean_Meta_Split_splitMatch(x_1, x_48, x_5, x_6, x_7, x_8, x_46);
+if (lean_obj_tag(x_51) == 0)
 {
-uint8_t x_51; 
-lean_dec(x_47);
-lean_free_object(x_10);
+uint8_t x_52; 
+lean_dec(x_48);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_1);
-x_51 = !lean_is_exclusive(x_50);
-if (x_51 == 0)
+x_52 = !lean_is_exclusive(x_51);
+if (x_52 == 0)
 {
-lean_object* x_52; 
-x_52 = lean_ctor_get(x_50, 0);
-lean_ctor_set(x_15, 0, x_52);
-lean_ctor_set(x_50, 0, x_15);
-return x_50;
+lean_object* x_53; 
+x_53 = lean_ctor_get(x_51, 0);
+lean_ctor_set(x_12, 0, x_53);
+lean_ctor_set(x_51, 0, x_12);
+return x_51;
 }
 else
 {
-lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_53 = lean_ctor_get(x_50, 0);
-x_54 = lean_ctor_get(x_50, 1);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_54 = lean_ctor_get(x_51, 0);
+x_55 = lean_ctor_get(x_51, 1);
+lean_inc(x_55);
 lean_inc(x_54);
-lean_inc(x_53);
-lean_dec(x_50);
-lean_ctor_set(x_15, 0, x_53);
-x_55 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_55, 0, x_15);
-lean_ctor_set(x_55, 1, x_54);
-return x_55;
+lean_dec(x_51);
+lean_ctor_set(x_12, 0, x_54);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_12);
+lean_ctor_set(x_56, 1, x_55);
+return x_56;
 }
 }
 else
 {
-uint8_t x_56; 
-lean_free_object(x_15);
-x_56 = !lean_is_exclusive(x_50);
-if (x_56 == 0)
+uint8_t x_57; 
+lean_free_object(x_12);
+x_57 = !lean_is_exclusive(x_51);
+if (x_57 == 0)
 {
-lean_object* x_57; lean_object* x_58; uint8_t x_59; 
-x_57 = lean_ctor_get(x_50, 0);
-x_58 = lean_ctor_get(x_50, 1);
-x_59 = l_Lean_Exception_isInterrupt(x_57);
-if (x_59 == 0)
-{
-uint8_t x_60; 
-x_60 = l_Lean_Exception_isRuntime(x_57);
+lean_object* x_58; lean_object* x_59; uint8_t x_60; 
+x_58 = lean_ctor_get(x_51, 0);
+x_59 = lean_ctor_get(x_51, 1);
+x_60 = l_Lean_Exception_isInterrupt(x_58);
 if (x_60 == 0)
 {
 uint8_t x_61; 
-lean_free_object(x_50);
-x_61 = l_Lean_Meta_Split_isDiscrGenException(x_57);
+x_61 = l_Lean_Exception_isRuntime(x_58);
 if (x_61 == 0)
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; 
-x_62 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
-x_63 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_62, x_5, x_6, x_7, x_8, x_58);
-x_64 = lean_ctor_get(x_63, 0);
-lean_inc(x_64);
-x_65 = lean_unbox(x_64);
-lean_dec(x_64);
-if (x_65 == 0)
+uint8_t x_62; 
+lean_free_object(x_51);
+x_62 = l_Lean_Meta_Split_isDiscrGenException(x_58);
+if (x_62 == 0)
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-lean_dec(x_57);
-lean_free_object(x_10);
-x_66 = lean_ctor_get(x_63, 1);
-lean_inc(x_66);
-lean_dec(x_63);
-x_67 = lean_box(0);
-x_68 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_67, x_5, x_6, x_7, x_8, x_66);
-return x_68;
+lean_object* x_63; lean_object* x_64; lean_object* x_65; uint8_t x_66; 
+x_63 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
+x_64 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_63, x_5, x_6, x_7, x_8, x_59);
+x_65 = lean_ctor_get(x_64, 0);
+lean_inc(x_65);
+x_66 = lean_unbox(x_65);
+lean_dec(x_65);
+if (x_66 == 0)
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+lean_dec(x_58);
+x_67 = lean_ctor_get(x_64, 1);
+lean_inc(x_67);
+lean_dec(x_64);
+x_68 = lean_box(0);
+x_69 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_68, x_5, x_6, x_7, x_8, x_67);
+return x_69;
 }
 else
 {
-uint8_t x_69; 
-x_69 = !lean_is_exclusive(x_63);
-if (x_69 == 0)
+uint8_t x_70; 
+x_70 = !lean_is_exclusive(x_64);
+if (x_70 == 0)
 {
-lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_70 = lean_ctor_get(x_63, 1);
-x_71 = lean_ctor_get(x_63, 0);
-lean_dec(x_71);
-lean_inc(x_47);
-x_72 = l_Lean_indentExpr(x_47);
-x_73 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
-lean_ctor_set_tag(x_63, 7);
-lean_ctor_set(x_63, 1, x_72);
-lean_ctor_set(x_63, 0, x_73);
-x_74 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
-lean_ctor_set_tag(x_10, 7);
-lean_ctor_set(x_10, 1, x_74);
-lean_ctor_set(x_10, 0, x_63);
-x_75 = l_Lean_Exception_toMessageData(x_57);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
+x_71 = lean_ctor_get(x_64, 1);
+x_72 = lean_ctor_get(x_64, 0);
+lean_dec(x_72);
+lean_inc(x_48);
+x_73 = l_Lean_indentExpr(x_48);
+x_74 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
+lean_ctor_set_tag(x_64, 7);
+lean_ctor_set(x_64, 1, x_73);
+lean_ctor_set(x_64, 0, x_74);
+x_75 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
 x_76 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_76, 0, x_10);
+lean_ctor_set(x_76, 0, x_64);
 lean_ctor_set(x_76, 1, x_75);
-x_77 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
+x_77 = l_Lean_Exception_toMessageData(x_58);
 x_78 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_78, 0, x_76);
 lean_ctor_set(x_78, 1, x_77);
-x_79 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_62, x_78, x_5, x_6, x_7, x_8, x_70);
-x_80 = lean_ctor_get(x_79, 0);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_79, 1);
-lean_inc(x_81);
-lean_dec(x_79);
-x_82 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_80, x_5, x_6, x_7, x_8, x_81);
-lean_dec(x_80);
-return x_82;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_83 = lean_ctor_get(x_63, 1);
+x_79 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
+x_80 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_80, 0, x_78);
+lean_ctor_set(x_80, 1, x_79);
+x_81 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_63, x_80, x_5, x_6, x_7, x_8, x_71);
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_81, 1);
 lean_inc(x_83);
-lean_dec(x_63);
-lean_inc(x_47);
-x_84 = l_Lean_indentExpr(x_47);
-x_85 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
-x_86 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_86, 0, x_85);
-lean_ctor_set(x_86, 1, x_84);
-x_87 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
-lean_ctor_set_tag(x_10, 7);
-lean_ctor_set(x_10, 1, x_87);
-lean_ctor_set(x_10, 0, x_86);
-x_88 = l_Lean_Exception_toMessageData(x_57);
-x_89 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_89, 0, x_10);
-lean_ctor_set(x_89, 1, x_88);
-x_90 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
-x_91 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_91, 0, x_89);
-lean_ctor_set(x_91, 1, x_90);
-x_92 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_62, x_91, x_5, x_6, x_7, x_8, x_83);
-x_93 = lean_ctor_get(x_92, 0);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_92, 1);
-lean_inc(x_94);
-lean_dec(x_92);
-x_95 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_93, x_5, x_6, x_7, x_8, x_94);
-lean_dec(x_93);
-return x_95;
+lean_dec(x_81);
+x_84 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_82, x_5, x_6, x_7, x_8, x_83);
+lean_dec(x_82);
+return x_84;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
+x_85 = lean_ctor_get(x_64, 1);
+lean_inc(x_85);
+lean_dec(x_64);
+lean_inc(x_48);
+x_86 = l_Lean_indentExpr(x_48);
+x_87 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
+x_88 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_88, 0, x_87);
+lean_ctor_set(x_88, 1, x_86);
+x_89 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
+x_90 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_90, 0, x_88);
+lean_ctor_set(x_90, 1, x_89);
+x_91 = l_Lean_Exception_toMessageData(x_58);
+x_92 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_92, 0, x_90);
+lean_ctor_set(x_92, 1, x_91);
+x_93 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
+x_94 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_94, 0, x_92);
+lean_ctor_set(x_94, 1, x_93);
+x_95 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_63, x_94, x_5, x_6, x_7, x_8, x_85);
+x_96 = lean_ctor_get(x_95, 0);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+x_98 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_96, x_5, x_6, x_7, x_8, x_97);
+lean_dec(x_96);
+return x_98;
 }
 }
 }
 else
 {
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; 
-lean_dec(x_57);
-lean_free_object(x_10);
-x_96 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
-x_97 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_96, x_5, x_6, x_7, x_8, x_58);
-x_98 = lean_ctor_get(x_97, 0);
-lean_inc(x_98);
-x_99 = lean_unbox(x_98);
-lean_dec(x_98);
-if (x_99 == 0)
+lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+lean_dec(x_58);
+x_99 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
+x_100 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_99, x_5, x_6, x_7, x_8, x_59);
+x_101 = lean_ctor_get(x_100, 0);
+lean_inc(x_101);
+x_102 = lean_unbox(x_101);
+lean_dec(x_101);
+if (x_102 == 0)
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_100 = lean_ctor_get(x_97, 1);
-lean_inc(x_100);
-lean_dec(x_97);
-x_101 = lean_box(0);
-x_102 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_101, x_5, x_6, x_7, x_8, x_100);
-return x_102;
-}
-else
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_103 = lean_ctor_get(x_97, 1);
+lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_103 = lean_ctor_get(x_100, 1);
 lean_inc(x_103);
-lean_dec(x_97);
-lean_inc(x_47);
-x_104 = l_Lean_Meta_Split_mkDiscrGenErrorMsg(x_47);
-x_105 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_96, x_104, x_5, x_6, x_7, x_8, x_103);
-x_106 = lean_ctor_get(x_105, 0);
+lean_dec(x_100);
+x_104 = lean_box(0);
+x_105 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_104, x_5, x_6, x_7, x_8, x_103);
+return x_105;
+}
+else
+{
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_106 = lean_ctor_get(x_100, 1);
 lean_inc(x_106);
-x_107 = lean_ctor_get(x_105, 1);
-lean_inc(x_107);
-lean_dec(x_105);
-x_108 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_106, x_5, x_6, x_7, x_8, x_107);
-lean_dec(x_106);
-return x_108;
-}
-}
-}
-else
-{
-lean_dec(x_47);
-lean_free_object(x_10);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-return x_50;
-}
-}
-else
-{
-lean_dec(x_47);
-lean_free_object(x_10);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-return x_50;
-}
-}
-else
-{
-lean_object* x_109; lean_object* x_110; uint8_t x_111; 
-x_109 = lean_ctor_get(x_50, 0);
-x_110 = lean_ctor_get(x_50, 1);
-lean_inc(x_110);
+lean_dec(x_100);
+lean_inc(x_48);
+x_107 = l_Lean_Meta_Split_mkDiscrGenErrorMsg(x_48);
+x_108 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_99, x_107, x_5, x_6, x_7, x_8, x_106);
+x_109 = lean_ctor_get(x_108, 0);
 lean_inc(x_109);
-lean_dec(x_50);
-x_111 = l_Lean_Exception_isInterrupt(x_109);
-if (x_111 == 0)
-{
-uint8_t x_112; 
-x_112 = l_Lean_Exception_isRuntime(x_109);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = l_Lean_Meta_Split_isDiscrGenException(x_109);
-if (x_113 == 0)
-{
-lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
-x_114 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
-x_115 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_114, x_5, x_6, x_7, x_8, x_110);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_unbox(x_116);
-lean_dec(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_110 = lean_ctor_get(x_108, 1);
+lean_inc(x_110);
+lean_dec(x_108);
+x_111 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_109, x_5, x_6, x_7, x_8, x_110);
 lean_dec(x_109);
-lean_free_object(x_10);
-x_118 = lean_ctor_get(x_115, 1);
-lean_inc(x_118);
-lean_dec(x_115);
-x_119 = lean_box(0);
-x_120 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_119, x_5, x_6, x_7, x_8, x_118);
-return x_120;
+return x_111;
+}
+}
 }
 else
 {
-lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; 
-x_121 = lean_ctor_get(x_115, 1);
+lean_dec(x_48);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_51;
+}
+}
+else
+{
+lean_dec(x_48);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_51;
+}
+}
+else
+{
+lean_object* x_112; lean_object* x_113; uint8_t x_114; 
+x_112 = lean_ctor_get(x_51, 0);
+x_113 = lean_ctor_get(x_51, 1);
+lean_inc(x_113);
+lean_inc(x_112);
+lean_dec(x_51);
+x_114 = l_Lean_Exception_isInterrupt(x_112);
+if (x_114 == 0)
+{
+uint8_t x_115; 
+x_115 = l_Lean_Exception_isRuntime(x_112);
+if (x_115 == 0)
+{
+uint8_t x_116; 
+x_116 = l_Lean_Meta_Split_isDiscrGenException(x_112);
+if (x_116 == 0)
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_117 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
+x_118 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_117, x_5, x_6, x_7, x_8, x_113);
+x_119 = lean_ctor_get(x_118, 0);
+lean_inc(x_119);
+x_120 = lean_unbox(x_119);
+lean_dec(x_119);
+if (x_120 == 0)
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+lean_dec(x_112);
+x_121 = lean_ctor_get(x_118, 1);
 lean_inc(x_121);
-if (lean_is_exclusive(x_115)) {
- lean_ctor_release(x_115, 0);
- lean_ctor_release(x_115, 1);
- x_122 = x_115;
-} else {
- lean_dec_ref(x_115);
- x_122 = lean_box(0);
+lean_dec(x_118);
+x_122 = lean_box(0);
+x_123 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_122, x_5, x_6, x_7, x_8, x_121);
+return x_123;
 }
-lean_inc(x_47);
-x_123 = l_Lean_indentExpr(x_47);
-x_124 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
-if (lean_is_scalar(x_122)) {
- x_125 = lean_alloc_ctor(7, 2, 0);
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_124 = lean_ctor_get(x_118, 1);
+lean_inc(x_124);
+if (lean_is_exclusive(x_118)) {
+ lean_ctor_release(x_118, 0);
+ lean_ctor_release(x_118, 1);
+ x_125 = x_118;
 } else {
- x_125 = x_122;
- lean_ctor_set_tag(x_125, 7);
+ lean_dec_ref(x_118);
+ x_125 = lean_box(0);
 }
-lean_ctor_set(x_125, 0, x_124);
-lean_ctor_set(x_125, 1, x_123);
-x_126 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
-lean_ctor_set_tag(x_10, 7);
-lean_ctor_set(x_10, 1, x_126);
-lean_ctor_set(x_10, 0, x_125);
-x_127 = l_Lean_Exception_toMessageData(x_109);
-x_128 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_128, 0, x_10);
-lean_ctor_set(x_128, 1, x_127);
-x_129 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
+lean_inc(x_48);
+x_126 = l_Lean_indentExpr(x_48);
+x_127 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
+if (lean_is_scalar(x_125)) {
+ x_128 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_128 = x_125;
+ lean_ctor_set_tag(x_128, 7);
+}
+lean_ctor_set(x_128, 0, x_127);
+lean_ctor_set(x_128, 1, x_126);
+x_129 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
 x_130 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_130, 0, x_128);
 lean_ctor_set(x_130, 1, x_129);
-x_131 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_114, x_130, x_5, x_6, x_7, x_8, x_121);
-x_132 = lean_ctor_get(x_131, 0);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_131, 1);
-lean_inc(x_133);
-lean_dec(x_131);
-x_134 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_132, x_5, x_6, x_7, x_8, x_133);
-lean_dec(x_132);
-return x_134;
-}
-}
-else
-{
-lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; 
-lean_dec(x_109);
-lean_free_object(x_10);
-x_135 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
-x_136 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_135, x_5, x_6, x_7, x_8, x_110);
-x_137 = lean_ctor_get(x_136, 0);
+x_131 = l_Lean_Exception_toMessageData(x_112);
+x_132 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_132, 0, x_130);
+lean_ctor_set(x_132, 1, x_131);
+x_133 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
+x_134 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_134, 0, x_132);
+lean_ctor_set(x_134, 1, x_133);
+x_135 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_117, x_134, x_5, x_6, x_7, x_8, x_124);
+x_136 = lean_ctor_get(x_135, 0);
+lean_inc(x_136);
+x_137 = lean_ctor_get(x_135, 1);
 lean_inc(x_137);
-x_138 = lean_unbox(x_137);
-lean_dec(x_137);
-if (x_138 == 0)
-{
-lean_object* x_139; lean_object* x_140; lean_object* x_141; 
-x_139 = lean_ctor_get(x_136, 1);
-lean_inc(x_139);
+lean_dec(x_135);
+x_138 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_136, x_5, x_6, x_7, x_8, x_137);
 lean_dec(x_136);
-x_140 = lean_box(0);
-x_141 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_140, x_5, x_6, x_7, x_8, x_139);
-return x_141;
+return x_138;
+}
 }
 else
 {
-lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
-x_142 = lean_ctor_get(x_136, 1);
-lean_inc(x_142);
-lean_dec(x_136);
-lean_inc(x_47);
-x_143 = l_Lean_Meta_Split_mkDiscrGenErrorMsg(x_47);
-x_144 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_135, x_143, x_5, x_6, x_7, x_8, x_142);
-x_145 = lean_ctor_get(x_144, 0);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_144, 1);
+lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; 
+lean_dec(x_112);
+x_139 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
+x_140 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_139, x_5, x_6, x_7, x_8, x_113);
+x_141 = lean_ctor_get(x_140, 0);
+lean_inc(x_141);
+x_142 = lean_unbox(x_141);
+lean_dec(x_141);
+if (x_142 == 0)
+{
+lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+x_143 = lean_ctor_get(x_140, 1);
+lean_inc(x_143);
+lean_dec(x_140);
+x_144 = lean_box(0);
+x_145 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_144, x_5, x_6, x_7, x_8, x_143);
+return x_145;
+}
+else
+{
+lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; 
+x_146 = lean_ctor_get(x_140, 1);
 lean_inc(x_146);
-lean_dec(x_144);
-x_147 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_47, x_1, x_2, x_3, x_145, x_5, x_6, x_7, x_8, x_146);
-lean_dec(x_145);
-return x_147;
+lean_dec(x_140);
+lean_inc(x_48);
+x_147 = l_Lean_Meta_Split_mkDiscrGenErrorMsg(x_48);
+x_148 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_139, x_147, x_5, x_6, x_7, x_8, x_146);
+x_149 = lean_ctor_get(x_148, 0);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_148, 1);
+lean_inc(x_150);
+lean_dec(x_148);
+x_151 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_48, x_1, x_2, x_3, x_149, x_5, x_6, x_7, x_8, x_150);
+lean_dec(x_149);
+return x_151;
 }
 }
 }
 else
 {
-lean_object* x_148; 
-lean_dec(x_47);
-lean_free_object(x_10);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-x_148 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_148, 0, x_109);
-lean_ctor_set(x_148, 1, x_110);
-return x_148;
-}
-}
-else
-{
-lean_object* x_149; 
-lean_dec(x_47);
-lean_free_object(x_10);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-x_149 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_149, 0, x_109);
-lean_ctor_set(x_149, 1, x_110);
-return x_149;
-}
-}
-}
-}
-else
-{
-lean_object* x_150; lean_object* x_151; 
-lean_free_object(x_15);
-lean_dec(x_47);
-lean_free_object(x_10);
-lean_dec(x_4);
-x_150 = lean_box(0);
-x_151 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_150, x_5, x_6, x_7, x_8, x_13);
-if (lean_obj_tag(x_151) == 0)
-{
 lean_object* x_152; 
-x_152 = lean_ctor_get(x_151, 0);
-lean_inc(x_152);
-if (lean_obj_tag(x_152) == 0)
-{
-uint8_t x_153; 
-x_153 = !lean_is_exclusive(x_151);
-if (x_153 == 0)
-{
-lean_object* x_154; 
-x_154 = lean_ctor_get(x_151, 0);
-lean_dec(x_154);
-lean_ctor_set(x_151, 0, x_150);
-return x_151;
-}
-else
-{
-lean_object* x_155; lean_object* x_156; 
-x_155 = lean_ctor_get(x_151, 1);
-lean_inc(x_155);
-lean_dec(x_151);
-x_156 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_156, 0, x_150);
-lean_ctor_set(x_156, 1, x_155);
-return x_156;
+lean_dec(x_48);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_152 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_152, 0, x_112);
+lean_ctor_set(x_152, 1, x_113);
+return x_152;
 }
 }
 else
 {
+lean_object* x_153; 
+lean_dec(x_48);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_153 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_153, 0, x_112);
+lean_ctor_set(x_153, 1, x_113);
+return x_153;
+}
+}
+}
+}
+else
+{
+lean_object* x_154; lean_object* x_155; 
+lean_free_object(x_12);
+lean_dec(x_48);
+lean_dec(x_4);
+lean_dec(x_3);
+x_154 = lean_box(0);
+x_155 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_154, x_5, x_6, x_7, x_8, x_46);
+if (lean_obj_tag(x_155) == 0)
+{
+lean_object* x_156; 
+x_156 = lean_ctor_get(x_155, 0);
+lean_inc(x_156);
+if (lean_obj_tag(x_156) == 0)
+{
 uint8_t x_157; 
-x_157 = !lean_is_exclusive(x_152);
+x_157 = !lean_is_exclusive(x_155);
 if (x_157 == 0)
 {
-lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-x_158 = lean_ctor_get(x_152, 0);
-x_159 = lean_ctor_get(x_158, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_158, 1);
-lean_inc(x_160);
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_155, 0);
 lean_dec(x_158);
-x_161 = !lean_is_exclusive(x_151);
+lean_ctor_set(x_155, 0, x_154);
+return x_155;
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+x_159 = lean_ctor_get(x_155, 1);
+lean_inc(x_159);
+lean_dec(x_155);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_154);
+lean_ctor_set(x_160, 1, x_159);
+return x_160;
+}
+}
+else
+{
+uint8_t x_161; 
+x_161 = !lean_is_exclusive(x_156);
 if (x_161 == 0)
 {
-lean_object* x_162; uint8_t x_163; 
-x_162 = lean_ctor_get(x_151, 0);
+lean_object* x_162; lean_object* x_163; lean_object* x_164; uint8_t x_165; 
+x_162 = lean_ctor_get(x_156, 0);
+x_163 = lean_ctor_get(x_162, 0);
+lean_inc(x_163);
+x_164 = lean_ctor_get(x_162, 1);
+lean_inc(x_164);
 lean_dec(x_162);
-x_163 = !lean_is_exclusive(x_159);
-if (x_163 == 0)
-{
-lean_object* x_164; uint8_t x_165; 
-x_164 = lean_ctor_get(x_159, 1);
-lean_dec(x_164);
-x_165 = !lean_is_exclusive(x_160);
+x_165 = !lean_is_exclusive(x_155);
 if (x_165 == 0)
 {
-lean_object* x_166; lean_object* x_167; 
-x_166 = lean_ctor_get(x_160, 1);
+lean_object* x_166; uint8_t x_167; 
+x_166 = lean_ctor_get(x_155, 0);
 lean_dec(x_166);
-x_167 = lean_box(0);
-lean_ctor_set_tag(x_160, 1);
-lean_ctor_set(x_160, 1, x_167);
-lean_ctor_set_tag(x_159, 1);
-lean_ctor_set(x_159, 1, x_160);
-lean_ctor_set(x_152, 0, x_159);
-return x_151;
+x_167 = !lean_is_exclusive(x_163);
+if (x_167 == 0)
+{
+lean_object* x_168; uint8_t x_169; 
+x_168 = lean_ctor_get(x_163, 1);
+lean_dec(x_168);
+x_169 = !lean_is_exclusive(x_164);
+if (x_169 == 0)
+{
+lean_object* x_170; lean_object* x_171; 
+x_170 = lean_ctor_get(x_164, 1);
+lean_dec(x_170);
+x_171 = lean_box(0);
+lean_ctor_set_tag(x_164, 1);
+lean_ctor_set(x_164, 1, x_171);
+lean_ctor_set_tag(x_163, 1);
+lean_ctor_set(x_163, 1, x_164);
+lean_ctor_set(x_156, 0, x_163);
+return x_155;
 }
 else
 {
-lean_object* x_168; lean_object* x_169; lean_object* x_170; 
-x_168 = lean_ctor_get(x_160, 0);
-lean_inc(x_168);
-lean_dec(x_160);
-x_169 = lean_box(0);
-x_170 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_170, 0, x_168);
-lean_ctor_set(x_170, 1, x_169);
-lean_ctor_set_tag(x_159, 1);
-lean_ctor_set(x_159, 1, x_170);
-lean_ctor_set(x_152, 0, x_159);
-return x_151;
-}
-}
-else
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; 
-x_171 = lean_ctor_get(x_159, 0);
-lean_inc(x_171);
-lean_dec(x_159);
-x_172 = lean_ctor_get(x_160, 0);
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_172 = lean_ctor_get(x_164, 0);
 lean_inc(x_172);
-if (lean_is_exclusive(x_160)) {
- lean_ctor_release(x_160, 0);
- lean_ctor_release(x_160, 1);
- x_173 = x_160;
-} else {
- lean_dec_ref(x_160);
- x_173 = lean_box(0);
-}
-x_174 = lean_box(0);
-if (lean_is_scalar(x_173)) {
- x_175 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_175 = x_173;
- lean_ctor_set_tag(x_175, 1);
-}
-lean_ctor_set(x_175, 0, x_172);
-lean_ctor_set(x_175, 1, x_174);
-x_176 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_176, 0, x_171);
-lean_ctor_set(x_176, 1, x_175);
-lean_ctor_set(x_152, 0, x_176);
-return x_151;
+lean_dec(x_164);
+x_173 = lean_box(0);
+x_174 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_174, 0, x_172);
+lean_ctor_set(x_174, 1, x_173);
+lean_ctor_set_tag(x_163, 1);
+lean_ctor_set(x_163, 1, x_174);
+lean_ctor_set(x_156, 0, x_163);
+return x_155;
 }
 }
 else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 
-x_177 = lean_ctor_get(x_151, 1);
-lean_inc(x_177);
-lean_dec(x_151);
-x_178 = lean_ctor_get(x_159, 0);
-lean_inc(x_178);
-if (lean_is_exclusive(x_159)) {
- lean_ctor_release(x_159, 0);
- lean_ctor_release(x_159, 1);
- x_179 = x_159;
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_175 = lean_ctor_get(x_163, 0);
+lean_inc(x_175);
+lean_dec(x_163);
+x_176 = lean_ctor_get(x_164, 0);
+lean_inc(x_176);
+if (lean_is_exclusive(x_164)) {
+ lean_ctor_release(x_164, 0);
+ lean_ctor_release(x_164, 1);
+ x_177 = x_164;
 } else {
- lean_dec_ref(x_159);
- x_179 = lean_box(0);
+ lean_dec_ref(x_164);
+ x_177 = lean_box(0);
 }
-x_180 = lean_ctor_get(x_160, 0);
-lean_inc(x_180);
-if (lean_is_exclusive(x_160)) {
- lean_ctor_release(x_160, 0);
- lean_ctor_release(x_160, 1);
- x_181 = x_160;
+x_178 = lean_box(0);
+if (lean_is_scalar(x_177)) {
+ x_179 = lean_alloc_ctor(1, 2, 0);
 } else {
- lean_dec_ref(x_160);
- x_181 = lean_box(0);
+ x_179 = x_177;
+ lean_ctor_set_tag(x_179, 1);
 }
-x_182 = lean_box(0);
-if (lean_is_scalar(x_181)) {
- x_183 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_183 = x_181;
- lean_ctor_set_tag(x_183, 1);
-}
-lean_ctor_set(x_183, 0, x_180);
-lean_ctor_set(x_183, 1, x_182);
-if (lean_is_scalar(x_179)) {
- x_184 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_184 = x_179;
- lean_ctor_set_tag(x_184, 1);
-}
-lean_ctor_set(x_184, 0, x_178);
-lean_ctor_set(x_184, 1, x_183);
-lean_ctor_set(x_152, 0, x_184);
-x_185 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_185, 0, x_152);
-lean_ctor_set(x_185, 1, x_177);
-return x_185;
+lean_ctor_set(x_179, 0, x_176);
+lean_ctor_set(x_179, 1, x_178);
+x_180 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_180, 0, x_175);
+lean_ctor_set(x_180, 1, x_179);
+lean_ctor_set(x_156, 0, x_180);
+return x_155;
 }
 }
 else
 {
-lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_186 = lean_ctor_get(x_152, 0);
-lean_inc(x_186);
-lean_dec(x_152);
-x_187 = lean_ctor_get(x_186, 0);
-lean_inc(x_187);
-x_188 = lean_ctor_get(x_186, 1);
-lean_inc(x_188);
-lean_dec(x_186);
-x_189 = lean_ctor_get(x_151, 1);
-lean_inc(x_189);
-if (lean_is_exclusive(x_151)) {
- lean_ctor_release(x_151, 0);
- lean_ctor_release(x_151, 1);
- x_190 = x_151;
+lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; 
+x_181 = lean_ctor_get(x_155, 1);
+lean_inc(x_181);
+lean_dec(x_155);
+x_182 = lean_ctor_get(x_163, 0);
+lean_inc(x_182);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_183 = x_163;
 } else {
- lean_dec_ref(x_151);
- x_190 = lean_box(0);
+ lean_dec_ref(x_163);
+ x_183 = lean_box(0);
 }
-x_191 = lean_ctor_get(x_187, 0);
+x_184 = lean_ctor_get(x_164, 0);
+lean_inc(x_184);
+if (lean_is_exclusive(x_164)) {
+ lean_ctor_release(x_164, 0);
+ lean_ctor_release(x_164, 1);
+ x_185 = x_164;
+} else {
+ lean_dec_ref(x_164);
+ x_185 = lean_box(0);
+}
+x_186 = lean_box(0);
+if (lean_is_scalar(x_185)) {
+ x_187 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_187 = x_185;
+ lean_ctor_set_tag(x_187, 1);
+}
+lean_ctor_set(x_187, 0, x_184);
+lean_ctor_set(x_187, 1, x_186);
+if (lean_is_scalar(x_183)) {
+ x_188 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_188 = x_183;
+ lean_ctor_set_tag(x_188, 1);
+}
+lean_ctor_set(x_188, 0, x_182);
+lean_ctor_set(x_188, 1, x_187);
+lean_ctor_set(x_156, 0, x_188);
+x_189 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_189, 0, x_156);
+lean_ctor_set(x_189, 1, x_181);
+return x_189;
+}
+}
+else
+{
+lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
+x_190 = lean_ctor_get(x_156, 0);
+lean_inc(x_190);
+lean_dec(x_156);
+x_191 = lean_ctor_get(x_190, 0);
 lean_inc(x_191);
-if (lean_is_exclusive(x_187)) {
- lean_ctor_release(x_187, 0);
- lean_ctor_release(x_187, 1);
- x_192 = x_187;
-} else {
- lean_dec_ref(x_187);
- x_192 = lean_box(0);
-}
-x_193 = lean_ctor_get(x_188, 0);
+x_192 = lean_ctor_get(x_190, 1);
+lean_inc(x_192);
+lean_dec(x_190);
+x_193 = lean_ctor_get(x_155, 1);
 lean_inc(x_193);
-if (lean_is_exclusive(x_188)) {
- lean_ctor_release(x_188, 0);
- lean_ctor_release(x_188, 1);
- x_194 = x_188;
+if (lean_is_exclusive(x_155)) {
+ lean_ctor_release(x_155, 0);
+ lean_ctor_release(x_155, 1);
+ x_194 = x_155;
 } else {
- lean_dec_ref(x_188);
+ lean_dec_ref(x_155);
  x_194 = lean_box(0);
 }
-x_195 = lean_box(0);
+x_195 = lean_ctor_get(x_191, 0);
+lean_inc(x_195);
+if (lean_is_exclusive(x_191)) {
+ lean_ctor_release(x_191, 0);
+ lean_ctor_release(x_191, 1);
+ x_196 = x_191;
+} else {
+ lean_dec_ref(x_191);
+ x_196 = lean_box(0);
+}
+x_197 = lean_ctor_get(x_192, 0);
+lean_inc(x_197);
+if (lean_is_exclusive(x_192)) {
+ lean_ctor_release(x_192, 0);
+ lean_ctor_release(x_192, 1);
+ x_198 = x_192;
+} else {
+ lean_dec_ref(x_192);
+ x_198 = lean_box(0);
+}
+x_199 = lean_box(0);
+if (lean_is_scalar(x_198)) {
+ x_200 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_200 = x_198;
+ lean_ctor_set_tag(x_200, 1);
+}
+lean_ctor_set(x_200, 0, x_197);
+lean_ctor_set(x_200, 1, x_199);
+if (lean_is_scalar(x_196)) {
+ x_201 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_201 = x_196;
+ lean_ctor_set_tag(x_201, 1);
+}
+lean_ctor_set(x_201, 0, x_195);
+lean_ctor_set(x_201, 1, x_200);
+x_202 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_202, 0, x_201);
 if (lean_is_scalar(x_194)) {
- x_196 = lean_alloc_ctor(1, 2, 0);
+ x_203 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_196 = x_194;
- lean_ctor_set_tag(x_196, 1);
+ x_203 = x_194;
 }
-lean_ctor_set(x_196, 0, x_193);
-lean_ctor_set(x_196, 1, x_195);
-if (lean_is_scalar(x_192)) {
- x_197 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_197 = x_192;
- lean_ctor_set_tag(x_197, 1);
-}
-lean_ctor_set(x_197, 0, x_191);
-lean_ctor_set(x_197, 1, x_196);
-x_198 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_198, 0, x_197);
-if (lean_is_scalar(x_190)) {
- x_199 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_199 = x_190;
-}
-lean_ctor_set(x_199, 0, x_198);
-lean_ctor_set(x_199, 1, x_189);
-return x_199;
-}
-}
-}
-else
-{
-uint8_t x_200; 
-x_200 = !lean_is_exclusive(x_151);
-if (x_200 == 0)
-{
-return x_151;
-}
-else
-{
-lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_201 = lean_ctor_get(x_151, 0);
-x_202 = lean_ctor_get(x_151, 1);
-lean_inc(x_202);
-lean_inc(x_201);
-lean_dec(x_151);
-x_203 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_203, 0, x_201);
-lean_ctor_set(x_203, 1, x_202);
+lean_ctor_set(x_203, 0, x_202);
+lean_ctor_set(x_203, 1, x_193);
 return x_203;
 }
 }
 }
+else
+{
+uint8_t x_204; 
+x_204 = !lean_is_exclusive(x_155);
+if (x_204 == 0)
+{
+return x_155;
 }
 else
 {
-lean_object* x_204; lean_object* x_205; 
-lean_free_object(x_15);
-lean_dec(x_47);
-lean_free_object(x_10);
-lean_dec(x_4);
-x_204 = lean_box(0);
-x_205 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_204, x_5, x_6, x_7, x_8, x_13);
-if (lean_obj_tag(x_205) == 0)
-{
-lean_object* x_206; 
-x_206 = lean_ctor_get(x_205, 0);
+lean_object* x_205; lean_object* x_206; lean_object* x_207; 
+x_205 = lean_ctor_get(x_155, 0);
+x_206 = lean_ctor_get(x_155, 1);
 lean_inc(x_206);
-if (lean_obj_tag(x_206) == 0)
-{
-uint8_t x_207; 
-x_207 = !lean_is_exclusive(x_205);
-if (x_207 == 0)
-{
-lean_object* x_208; 
-x_208 = lean_ctor_get(x_205, 0);
-lean_dec(x_208);
-lean_ctor_set(x_205, 0, x_204);
-return x_205;
+lean_inc(x_205);
+lean_dec(x_155);
+x_207 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_207, 0, x_205);
+lean_ctor_set(x_207, 1, x_206);
+return x_207;
+}
 }
-else
-{
-lean_object* x_209; lean_object* x_210; 
-x_209 = lean_ctor_get(x_205, 1);
-lean_inc(x_209);
-lean_dec(x_205);
-x_210 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_210, 0, x_204);
-lean_ctor_set(x_210, 1, x_209);
-return x_210;
 }
 }
 else
 {
+lean_object* x_208; lean_object* x_209; 
+lean_free_object(x_12);
+lean_dec(x_48);
+lean_dec(x_4);
+lean_dec(x_3);
+x_208 = lean_box(0);
+x_209 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_208, x_5, x_6, x_7, x_8, x_46);
+if (lean_obj_tag(x_209) == 0)
+{
+lean_object* x_210; 
+x_210 = lean_ctor_get(x_209, 0);
+lean_inc(x_210);
+if (lean_obj_tag(x_210) == 0)
+{
 uint8_t x_211; 
-x_211 = !lean_is_exclusive(x_206);
+x_211 = !lean_is_exclusive(x_209);
 if (x_211 == 0)
 {
-lean_object* x_212; lean_object* x_213; lean_object* x_214; uint8_t x_215; 
-x_212 = lean_ctor_get(x_206, 0);
-x_213 = lean_ctor_get(x_212, 0);
-lean_inc(x_213);
-x_214 = lean_ctor_get(x_212, 1);
-lean_inc(x_214);
+lean_object* x_212; 
+x_212 = lean_ctor_get(x_209, 0);
 lean_dec(x_212);
-x_215 = !lean_is_exclusive(x_205);
+lean_ctor_set(x_209, 0, x_208);
+return x_209;
+}
+else
+{
+lean_object* x_213; lean_object* x_214; 
+x_213 = lean_ctor_get(x_209, 1);
+lean_inc(x_213);
+lean_dec(x_209);
+x_214 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_214, 0, x_208);
+lean_ctor_set(x_214, 1, x_213);
+return x_214;
+}
+}
+else
+{
+uint8_t x_215; 
+x_215 = !lean_is_exclusive(x_210);
 if (x_215 == 0)
 {
-lean_object* x_216; uint8_t x_217; 
-x_216 = lean_ctor_get(x_205, 0);
+lean_object* x_216; lean_object* x_217; lean_object* x_218; uint8_t x_219; 
+x_216 = lean_ctor_get(x_210, 0);
+x_217 = lean_ctor_get(x_216, 0);
+lean_inc(x_217);
+x_218 = lean_ctor_get(x_216, 1);
+lean_inc(x_218);
 lean_dec(x_216);
-x_217 = !lean_is_exclusive(x_213);
-if (x_217 == 0)
-{
-lean_object* x_218; uint8_t x_219; 
-x_218 = lean_ctor_get(x_213, 1);
-lean_dec(x_218);
-x_219 = !lean_is_exclusive(x_214);
+x_219 = !lean_is_exclusive(x_209);
 if (x_219 == 0)
 {
-lean_object* x_220; lean_object* x_221; 
-x_220 = lean_ctor_get(x_214, 1);
+lean_object* x_220; uint8_t x_221; 
+x_220 = lean_ctor_get(x_209, 0);
 lean_dec(x_220);
-x_221 = lean_box(0);
-lean_ctor_set_tag(x_214, 1);
-lean_ctor_set(x_214, 1, x_221);
-lean_ctor_set_tag(x_213, 1);
-lean_ctor_set(x_213, 1, x_214);
-lean_ctor_set(x_206, 0, x_213);
-return x_205;
+x_221 = !lean_is_exclusive(x_217);
+if (x_221 == 0)
+{
+lean_object* x_222; uint8_t x_223; 
+x_222 = lean_ctor_get(x_217, 1);
+lean_dec(x_222);
+x_223 = !lean_is_exclusive(x_218);
+if (x_223 == 0)
+{
+lean_object* x_224; lean_object* x_225; 
+x_224 = lean_ctor_get(x_218, 1);
+lean_dec(x_224);
+x_225 = lean_box(0);
+lean_ctor_set_tag(x_218, 1);
+lean_ctor_set(x_218, 1, x_225);
+lean_ctor_set_tag(x_217, 1);
+lean_ctor_set(x_217, 1, x_218);
+lean_ctor_set(x_210, 0, x_217);
+return x_209;
 }
 else
 {
-lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_222 = lean_ctor_get(x_214, 0);
-lean_inc(x_222);
-lean_dec(x_214);
-x_223 = lean_box(0);
-x_224 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_224, 0, x_222);
-lean_ctor_set(x_224, 1, x_223);
-lean_ctor_set_tag(x_213, 1);
-lean_ctor_set(x_213, 1, x_224);
-lean_ctor_set(x_206, 0, x_213);
-return x_205;
-}
-}
-else
-{
-lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-x_225 = lean_ctor_get(x_213, 0);
-lean_inc(x_225);
-lean_dec(x_213);
-x_226 = lean_ctor_get(x_214, 0);
+lean_object* x_226; lean_object* x_227; lean_object* x_228; 
+x_226 = lean_ctor_get(x_218, 0);
 lean_inc(x_226);
-if (lean_is_exclusive(x_214)) {
- lean_ctor_release(x_214, 0);
- lean_ctor_release(x_214, 1);
- x_227 = x_214;
-} else {
- lean_dec_ref(x_214);
- x_227 = lean_box(0);
-}
-x_228 = lean_box(0);
-if (lean_is_scalar(x_227)) {
- x_229 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_229 = x_227;
- lean_ctor_set_tag(x_229, 1);
-}
-lean_ctor_set(x_229, 0, x_226);
-lean_ctor_set(x_229, 1, x_228);
-x_230 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_230, 0, x_225);
-lean_ctor_set(x_230, 1, x_229);
-lean_ctor_set(x_206, 0, x_230);
-return x_205;
+lean_dec(x_218);
+x_227 = lean_box(0);
+x_228 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_228, 0, x_226);
+lean_ctor_set(x_228, 1, x_227);
+lean_ctor_set_tag(x_217, 1);
+lean_ctor_set(x_217, 1, x_228);
+lean_ctor_set(x_210, 0, x_217);
+return x_209;
 }
 }
 else
 {
-lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; 
-x_231 = lean_ctor_get(x_205, 1);
-lean_inc(x_231);
-lean_dec(x_205);
-x_232 = lean_ctor_get(x_213, 0);
-lean_inc(x_232);
-if (lean_is_exclusive(x_213)) {
- lean_ctor_release(x_213, 0);
- lean_ctor_release(x_213, 1);
- x_233 = x_213;
+lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
+x_229 = lean_ctor_get(x_217, 0);
+lean_inc(x_229);
+lean_dec(x_217);
+x_230 = lean_ctor_get(x_218, 0);
+lean_inc(x_230);
+if (lean_is_exclusive(x_218)) {
+ lean_ctor_release(x_218, 0);
+ lean_ctor_release(x_218, 1);
+ x_231 = x_218;
 } else {
- lean_dec_ref(x_213);
- x_233 = lean_box(0);
+ lean_dec_ref(x_218);
+ x_231 = lean_box(0);
 }
-x_234 = lean_ctor_get(x_214, 0);
-lean_inc(x_234);
-if (lean_is_exclusive(x_214)) {
- lean_ctor_release(x_214, 0);
- lean_ctor_release(x_214, 1);
- x_235 = x_214;
+x_232 = lean_box(0);
+if (lean_is_scalar(x_231)) {
+ x_233 = lean_alloc_ctor(1, 2, 0);
 } else {
- lean_dec_ref(x_214);
- x_235 = lean_box(0);
+ x_233 = x_231;
+ lean_ctor_set_tag(x_233, 1);
 }
-x_236 = lean_box(0);
-if (lean_is_scalar(x_235)) {
- x_237 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_237 = x_235;
- lean_ctor_set_tag(x_237, 1);
-}
-lean_ctor_set(x_237, 0, x_234);
-lean_ctor_set(x_237, 1, x_236);
-if (lean_is_scalar(x_233)) {
- x_238 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_238 = x_233;
- lean_ctor_set_tag(x_238, 1);
-}
-lean_ctor_set(x_238, 0, x_232);
-lean_ctor_set(x_238, 1, x_237);
-lean_ctor_set(x_206, 0, x_238);
-x_239 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_239, 0, x_206);
-lean_ctor_set(x_239, 1, x_231);
-return x_239;
+lean_ctor_set(x_233, 0, x_230);
+lean_ctor_set(x_233, 1, x_232);
+x_234 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_234, 0, x_229);
+lean_ctor_set(x_234, 1, x_233);
+lean_ctor_set(x_210, 0, x_234);
+return x_209;
 }
 }
 else
 {
-lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; 
-x_240 = lean_ctor_get(x_206, 0);
-lean_inc(x_240);
-lean_dec(x_206);
-x_241 = lean_ctor_get(x_240, 0);
-lean_inc(x_241);
-x_242 = lean_ctor_get(x_240, 1);
-lean_inc(x_242);
-lean_dec(x_240);
-x_243 = lean_ctor_get(x_205, 1);
-lean_inc(x_243);
-if (lean_is_exclusive(x_205)) {
- lean_ctor_release(x_205, 0);
- lean_ctor_release(x_205, 1);
- x_244 = x_205;
+lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; 
+x_235 = lean_ctor_get(x_209, 1);
+lean_inc(x_235);
+lean_dec(x_209);
+x_236 = lean_ctor_get(x_217, 0);
+lean_inc(x_236);
+if (lean_is_exclusive(x_217)) {
+ lean_ctor_release(x_217, 0);
+ lean_ctor_release(x_217, 1);
+ x_237 = x_217;
 } else {
- lean_dec_ref(x_205);
- x_244 = lean_box(0);
+ lean_dec_ref(x_217);
+ x_237 = lean_box(0);
 }
-x_245 = lean_ctor_get(x_241, 0);
+x_238 = lean_ctor_get(x_218, 0);
+lean_inc(x_238);
+if (lean_is_exclusive(x_218)) {
+ lean_ctor_release(x_218, 0);
+ lean_ctor_release(x_218, 1);
+ x_239 = x_218;
+} else {
+ lean_dec_ref(x_218);
+ x_239 = lean_box(0);
+}
+x_240 = lean_box(0);
+if (lean_is_scalar(x_239)) {
+ x_241 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_241 = x_239;
+ lean_ctor_set_tag(x_241, 1);
+}
+lean_ctor_set(x_241, 0, x_238);
+lean_ctor_set(x_241, 1, x_240);
+if (lean_is_scalar(x_237)) {
+ x_242 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_242 = x_237;
+ lean_ctor_set_tag(x_242, 1);
+}
+lean_ctor_set(x_242, 0, x_236);
+lean_ctor_set(x_242, 1, x_241);
+lean_ctor_set(x_210, 0, x_242);
+x_243 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_243, 0, x_210);
+lean_ctor_set(x_243, 1, x_235);
+return x_243;
+}
+}
+else
+{
+lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; 
+x_244 = lean_ctor_get(x_210, 0);
+lean_inc(x_244);
+lean_dec(x_210);
+x_245 = lean_ctor_get(x_244, 0);
 lean_inc(x_245);
-if (lean_is_exclusive(x_241)) {
- lean_ctor_release(x_241, 0);
- lean_ctor_release(x_241, 1);
- x_246 = x_241;
-} else {
- lean_dec_ref(x_241);
- x_246 = lean_box(0);
-}
-x_247 = lean_ctor_get(x_242, 0);
+x_246 = lean_ctor_get(x_244, 1);
+lean_inc(x_246);
+lean_dec(x_244);
+x_247 = lean_ctor_get(x_209, 1);
 lean_inc(x_247);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_248 = x_242;
+if (lean_is_exclusive(x_209)) {
+ lean_ctor_release(x_209, 0);
+ lean_ctor_release(x_209, 1);
+ x_248 = x_209;
 } else {
- lean_dec_ref(x_242);
+ lean_dec_ref(x_209);
  x_248 = lean_box(0);
 }
-x_249 = lean_box(0);
+x_249 = lean_ctor_get(x_245, 0);
+lean_inc(x_249);
+if (lean_is_exclusive(x_245)) {
+ lean_ctor_release(x_245, 0);
+ lean_ctor_release(x_245, 1);
+ x_250 = x_245;
+} else {
+ lean_dec_ref(x_245);
+ x_250 = lean_box(0);
+}
+x_251 = lean_ctor_get(x_246, 0);
+lean_inc(x_251);
+if (lean_is_exclusive(x_246)) {
+ lean_ctor_release(x_246, 0);
+ lean_ctor_release(x_246, 1);
+ x_252 = x_246;
+} else {
+ lean_dec_ref(x_246);
+ x_252 = lean_box(0);
+}
+x_253 = lean_box(0);
+if (lean_is_scalar(x_252)) {
+ x_254 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_254 = x_252;
+ lean_ctor_set_tag(x_254, 1);
+}
+lean_ctor_set(x_254, 0, x_251);
+lean_ctor_set(x_254, 1, x_253);
+if (lean_is_scalar(x_250)) {
+ x_255 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_255 = x_250;
+ lean_ctor_set_tag(x_255, 1);
+}
+lean_ctor_set(x_255, 0, x_249);
+lean_ctor_set(x_255, 1, x_254);
+x_256 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_256, 0, x_255);
 if (lean_is_scalar(x_248)) {
- x_250 = lean_alloc_ctor(1, 2, 0);
+ x_257 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_250 = x_248;
- lean_ctor_set_tag(x_250, 1);
+ x_257 = x_248;
 }
-lean_ctor_set(x_250, 0, x_247);
-lean_ctor_set(x_250, 1, x_249);
-if (lean_is_scalar(x_246)) {
- x_251 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_251 = x_246;
- lean_ctor_set_tag(x_251, 1);
-}
-lean_ctor_set(x_251, 0, x_245);
-lean_ctor_set(x_251, 1, x_250);
-x_252 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_252, 0, x_251);
-if (lean_is_scalar(x_244)) {
- x_253 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_253 = x_244;
-}
-lean_ctor_set(x_253, 0, x_252);
-lean_ctor_set(x_253, 1, x_243);
-return x_253;
-}
-}
-}
-else
-{
-uint8_t x_254; 
-x_254 = !lean_is_exclusive(x_205);
-if (x_254 == 0)
-{
-return x_205;
-}
-else
-{
-lean_object* x_255; lean_object* x_256; lean_object* x_257; 
-x_255 = lean_ctor_get(x_205, 0);
-x_256 = lean_ctor_get(x_205, 1);
-lean_inc(x_256);
-lean_inc(x_255);
-lean_dec(x_205);
-x_257 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_257, 0, x_255);
-lean_ctor_set(x_257, 1, x_256);
+lean_ctor_set(x_257, 0, x_256);
+lean_ctor_set(x_257, 1, x_247);
 return x_257;
 }
 }
 }
+else
+{
+uint8_t x_258; 
+x_258 = !lean_is_exclusive(x_209);
+if (x_258 == 0)
+{
+return x_209;
 }
 else
 {
-lean_object* x_258; uint8_t x_259; 
-x_258 = lean_ctor_get(x_15, 0);
-lean_inc(x_258);
-lean_dec(x_15);
-x_259 = l_Lean_Expr_isIte(x_258);
-if (x_259 == 0)
+lean_object* x_259; lean_object* x_260; lean_object* x_261; 
+x_259 = lean_ctor_get(x_209, 0);
+x_260 = lean_ctor_get(x_209, 1);
+lean_inc(x_260);
+lean_inc(x_259);
+lean_dec(x_209);
+x_261 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_261, 0, x_259);
+lean_ctor_set(x_261, 1, x_260);
+return x_261;
+}
+}
+}
+}
+else
 {
-uint8_t x_260; 
-x_260 = l_Lean_Expr_isDIte(x_258);
-if (x_260 == 0)
+lean_object* x_262; uint8_t x_263; 
+x_262 = lean_ctor_get(x_12, 0);
+lean_inc(x_262);
+lean_dec(x_12);
+x_263 = l_Lean_Expr_isIte(x_262);
+if (x_263 == 0)
 {
-lean_object* x_261; 
+uint8_t x_264; 
+x_264 = l_Lean_Expr_isDIte(x_262);
+if (x_264 == 0)
+{
+lean_object* x_265; 
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_258);
+lean_inc(x_262);
 lean_inc(x_1);
-x_261 = l_Lean_Meta_Split_splitMatch(x_1, x_258, x_5, x_6, x_7, x_8, x_13);
-if (lean_obj_tag(x_261) == 0)
+x_265 = l_Lean_Meta_Split_splitMatch(x_1, x_262, x_5, x_6, x_7, x_8, x_46);
+if (lean_obj_tag(x_265) == 0)
 {
-lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; 
-lean_dec(x_258);
-lean_free_object(x_10);
+lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; 
+lean_dec(x_262);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_1);
-x_262 = lean_ctor_get(x_261, 0);
-lean_inc(x_262);
-x_263 = lean_ctor_get(x_261, 1);
-lean_inc(x_263);
-if (lean_is_exclusive(x_261)) {
- lean_ctor_release(x_261, 0);
- lean_ctor_release(x_261, 1);
- x_264 = x_261;
+x_266 = lean_ctor_get(x_265, 0);
+lean_inc(x_266);
+x_267 = lean_ctor_get(x_265, 1);
+lean_inc(x_267);
+if (lean_is_exclusive(x_265)) {
+ lean_ctor_release(x_265, 0);
+ lean_ctor_release(x_265, 1);
+ x_268 = x_265;
 } else {
- lean_dec_ref(x_261);
- x_264 = lean_box(0);
+ lean_dec_ref(x_265);
+ x_268 = lean_box(0);
 }
-x_265 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_265, 0, x_262);
-if (lean_is_scalar(x_264)) {
- x_266 = lean_alloc_ctor(0, 2, 0);
+x_269 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_269, 0, x_266);
+if (lean_is_scalar(x_268)) {
+ x_270 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_266 = x_264;
+ x_270 = x_268;
 }
-lean_ctor_set(x_266, 0, x_265);
-lean_ctor_set(x_266, 1, x_263);
-return x_266;
+lean_ctor_set(x_270, 0, x_269);
+lean_ctor_set(x_270, 1, x_267);
+return x_270;
 }
 else
 {
-lean_object* x_267; lean_object* x_268; lean_object* x_269; uint8_t x_270; 
-x_267 = lean_ctor_get(x_261, 0);
-lean_inc(x_267);
-x_268 = lean_ctor_get(x_261, 1);
-lean_inc(x_268);
-if (lean_is_exclusive(x_261)) {
- lean_ctor_release(x_261, 0);
- lean_ctor_release(x_261, 1);
- x_269 = x_261;
+lean_object* x_271; lean_object* x_272; lean_object* x_273; uint8_t x_274; 
+x_271 = lean_ctor_get(x_265, 0);
+lean_inc(x_271);
+x_272 = lean_ctor_get(x_265, 1);
+lean_inc(x_272);
+if (lean_is_exclusive(x_265)) {
+ lean_ctor_release(x_265, 0);
+ lean_ctor_release(x_265, 1);
+ x_273 = x_265;
 } else {
- lean_dec_ref(x_261);
- x_269 = lean_box(0);
+ lean_dec_ref(x_265);
+ x_273 = lean_box(0);
 }
-x_270 = l_Lean_Exception_isInterrupt(x_267);
-if (x_270 == 0)
+x_274 = l_Lean_Exception_isInterrupt(x_271);
+if (x_274 == 0)
 {
-uint8_t x_271; 
-x_271 = l_Lean_Exception_isRuntime(x_267);
-if (x_271 == 0)
+uint8_t x_275; 
+x_275 = l_Lean_Exception_isRuntime(x_271);
+if (x_275 == 0)
 {
-uint8_t x_272; 
-lean_dec(x_269);
-x_272 = l_Lean_Meta_Split_isDiscrGenException(x_267);
-if (x_272 == 0)
-{
-lean_object* x_273; lean_object* x_274; lean_object* x_275; uint8_t x_276; 
-x_273 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
-x_274 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_273, x_5, x_6, x_7, x_8, x_268);
-x_275 = lean_ctor_get(x_274, 0);
-lean_inc(x_275);
-x_276 = lean_unbox(x_275);
-lean_dec(x_275);
+uint8_t x_276; 
+lean_dec(x_273);
+x_276 = l_Lean_Meta_Split_isDiscrGenException(x_271);
 if (x_276 == 0)
 {
-lean_object* x_277; lean_object* x_278; lean_object* x_279; 
-lean_dec(x_267);
-lean_free_object(x_10);
-x_277 = lean_ctor_get(x_274, 1);
-lean_inc(x_277);
-lean_dec(x_274);
-x_278 = lean_box(0);
-x_279 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_258, x_1, x_2, x_3, x_278, x_5, x_6, x_7, x_8, x_277);
-return x_279;
+lean_object* x_277; lean_object* x_278; lean_object* x_279; uint8_t x_280; 
+x_277 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
+x_278 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_277, x_5, x_6, x_7, x_8, x_272);
+x_279 = lean_ctor_get(x_278, 0);
+lean_inc(x_279);
+x_280 = lean_unbox(x_279);
+lean_dec(x_279);
+if (x_280 == 0)
+{
+lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+lean_dec(x_271);
+x_281 = lean_ctor_get(x_278, 1);
+lean_inc(x_281);
+lean_dec(x_278);
+x_282 = lean_box(0);
+x_283 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_262, x_1, x_2, x_3, x_282, x_5, x_6, x_7, x_8, x_281);
+return x_283;
 }
 else
 {
-lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; 
-x_280 = lean_ctor_get(x_274, 1);
-lean_inc(x_280);
-if (lean_is_exclusive(x_274)) {
- lean_ctor_release(x_274, 0);
- lean_ctor_release(x_274, 1);
- x_281 = x_274;
+lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; 
+x_284 = lean_ctor_get(x_278, 1);
+lean_inc(x_284);
+if (lean_is_exclusive(x_278)) {
+ lean_ctor_release(x_278, 0);
+ lean_ctor_release(x_278, 1);
+ x_285 = x_278;
 } else {
- lean_dec_ref(x_274);
- x_281 = lean_box(0);
+ lean_dec_ref(x_278);
+ x_285 = lean_box(0);
 }
-lean_inc(x_258);
-x_282 = l_Lean_indentExpr(x_258);
-x_283 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
-if (lean_is_scalar(x_281)) {
- x_284 = lean_alloc_ctor(7, 2, 0);
+lean_inc(x_262);
+x_286 = l_Lean_indentExpr(x_262);
+x_287 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
+if (lean_is_scalar(x_285)) {
+ x_288 = lean_alloc_ctor(7, 2, 0);
 } else {
- x_284 = x_281;
- lean_ctor_set_tag(x_284, 7);
+ x_288 = x_285;
+ lean_ctor_set_tag(x_288, 7);
 }
-lean_ctor_set(x_284, 0, x_283);
-lean_ctor_set(x_284, 1, x_282);
-x_285 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
-lean_ctor_set_tag(x_10, 7);
-lean_ctor_set(x_10, 1, x_285);
-lean_ctor_set(x_10, 0, x_284);
-x_286 = l_Lean_Exception_toMessageData(x_267);
-x_287 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_287, 0, x_10);
-lean_ctor_set(x_287, 1, x_286);
-x_288 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
-x_289 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_289, 0, x_287);
-lean_ctor_set(x_289, 1, x_288);
-x_290 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_273, x_289, x_5, x_6, x_7, x_8, x_280);
-x_291 = lean_ctor_get(x_290, 0);
-lean_inc(x_291);
-x_292 = lean_ctor_get(x_290, 1);
-lean_inc(x_292);
-lean_dec(x_290);
-x_293 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_258, x_1, x_2, x_3, x_291, x_5, x_6, x_7, x_8, x_292);
-lean_dec(x_291);
-return x_293;
-}
-}
-else
-{
-lean_object* x_294; lean_object* x_295; lean_object* x_296; uint8_t x_297; 
-lean_dec(x_267);
-lean_free_object(x_10);
-x_294 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
-x_295 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_294, x_5, x_6, x_7, x_8, x_268);
+lean_ctor_set(x_288, 0, x_287);
+lean_ctor_set(x_288, 1, x_286);
+x_289 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
+x_290 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_290, 0, x_288);
+lean_ctor_set(x_290, 1, x_289);
+x_291 = l_Lean_Exception_toMessageData(x_271);
+x_292 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_292, 0, x_290);
+lean_ctor_set(x_292, 1, x_291);
+x_293 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
+x_294 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_294, 0, x_292);
+lean_ctor_set(x_294, 1, x_293);
+x_295 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_277, x_294, x_5, x_6, x_7, x_8, x_284);
 x_296 = lean_ctor_get(x_295, 0);
 lean_inc(x_296);
-x_297 = lean_unbox(x_296);
+x_297 = lean_ctor_get(x_295, 1);
+lean_inc(x_297);
+lean_dec(x_295);
+x_298 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_262, x_1, x_2, x_3, x_296, x_5, x_6, x_7, x_8, x_297);
 lean_dec(x_296);
-if (x_297 == 0)
-{
-lean_object* x_298; lean_object* x_299; lean_object* x_300; 
-x_298 = lean_ctor_get(x_295, 1);
-lean_inc(x_298);
-lean_dec(x_295);
-x_299 = lean_box(0);
-x_300 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_258, x_1, x_2, x_3, x_299, x_5, x_6, x_7, x_8, x_298);
-return x_300;
+return x_298;
+}
 }
 else
 {
-lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; lean_object* x_306; 
-x_301 = lean_ctor_get(x_295, 1);
+lean_object* x_299; lean_object* x_300; lean_object* x_301; uint8_t x_302; 
+lean_dec(x_271);
+x_299 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
+x_300 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_299, x_5, x_6, x_7, x_8, x_272);
+x_301 = lean_ctor_get(x_300, 0);
 lean_inc(x_301);
-lean_dec(x_295);
-lean_inc(x_258);
-x_302 = l_Lean_Meta_Split_mkDiscrGenErrorMsg(x_258);
-x_303 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_294, x_302, x_5, x_6, x_7, x_8, x_301);
-x_304 = lean_ctor_get(x_303, 0);
-lean_inc(x_304);
-x_305 = lean_ctor_get(x_303, 1);
-lean_inc(x_305);
-lean_dec(x_303);
-x_306 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_258, x_1, x_2, x_3, x_304, x_5, x_6, x_7, x_8, x_305);
-lean_dec(x_304);
-return x_306;
+x_302 = lean_unbox(x_301);
+lean_dec(x_301);
+if (x_302 == 0)
+{
+lean_object* x_303; lean_object* x_304; lean_object* x_305; 
+x_303 = lean_ctor_get(x_300, 1);
+lean_inc(x_303);
+lean_dec(x_300);
+x_304 = lean_box(0);
+x_305 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_262, x_1, x_2, x_3, x_304, x_5, x_6, x_7, x_8, x_303);
+return x_305;
+}
+else
+{
+lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; 
+x_306 = lean_ctor_get(x_300, 1);
+lean_inc(x_306);
+lean_dec(x_300);
+lean_inc(x_262);
+x_307 = l_Lean_Meta_Split_mkDiscrGenErrorMsg(x_262);
+x_308 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_299, x_307, x_5, x_6, x_7, x_8, x_306);
+x_309 = lean_ctor_get(x_308, 0);
+lean_inc(x_309);
+x_310 = lean_ctor_get(x_308, 1);
+lean_inc(x_310);
+lean_dec(x_308);
+x_311 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_262, x_1, x_2, x_3, x_309, x_5, x_6, x_7, x_8, x_310);
+lean_dec(x_309);
+return x_311;
 }
 }
 }
 else
 {
-lean_object* x_307; 
-lean_dec(x_258);
-lean_free_object(x_10);
+lean_object* x_312; 
+lean_dec(x_262);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_1);
-if (lean_is_scalar(x_269)) {
- x_307 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_273)) {
+ x_312 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_307 = x_269;
+ x_312 = x_273;
 }
-lean_ctor_set(x_307, 0, x_267);
-lean_ctor_set(x_307, 1, x_268);
-return x_307;
+lean_ctor_set(x_312, 0, x_271);
+lean_ctor_set(x_312, 1, x_272);
+return x_312;
 }
 }
 else
 {
-lean_object* x_308; 
-lean_dec(x_258);
-lean_free_object(x_10);
+lean_object* x_313; 
+lean_dec(x_262);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_1);
-if (lean_is_scalar(x_269)) {
- x_308 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_273)) {
+ x_313 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_308 = x_269;
+ x_313 = x_273;
 }
-lean_ctor_set(x_308, 0, x_267);
-lean_ctor_set(x_308, 1, x_268);
-return x_308;
+lean_ctor_set(x_313, 0, x_271);
+lean_ctor_set(x_313, 1, x_272);
+return x_313;
 }
 }
 }
 else
 {
-lean_object* x_309; lean_object* x_310; 
-lean_dec(x_258);
-lean_free_object(x_10);
+lean_object* x_314; lean_object* x_315; 
+lean_dec(x_262);
 lean_dec(x_4);
-x_309 = lean_box(0);
-x_310 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_309, x_5, x_6, x_7, x_8, x_13);
-if (lean_obj_tag(x_310) == 0)
+lean_dec(x_3);
+x_314 = lean_box(0);
+x_315 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_314, x_5, x_6, x_7, x_8, x_46);
+if (lean_obj_tag(x_315) == 0)
 {
-lean_object* x_311; 
-x_311 = lean_ctor_get(x_310, 0);
-lean_inc(x_311);
-if (lean_obj_tag(x_311) == 0)
+lean_object* x_316; 
+x_316 = lean_ctor_get(x_315, 0);
+lean_inc(x_316);
+if (lean_obj_tag(x_316) == 0)
 {
-lean_object* x_312; lean_object* x_313; lean_object* x_314; 
-x_312 = lean_ctor_get(x_310, 1);
-lean_inc(x_312);
-if (lean_is_exclusive(x_310)) {
- lean_ctor_release(x_310, 0);
- lean_ctor_release(x_310, 1);
- x_313 = x_310;
-} else {
- lean_dec_ref(x_310);
- x_313 = lean_box(0);
-}
-if (lean_is_scalar(x_313)) {
- x_314 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_314 = x_313;
-}
-lean_ctor_set(x_314, 0, x_309);
-lean_ctor_set(x_314, 1, x_312);
-return x_314;
-}
-else
-{
-lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; lean_object* x_322; lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; 
-x_315 = lean_ctor_get(x_311, 0);
-lean_inc(x_315);
-if (lean_is_exclusive(x_311)) {
- lean_ctor_release(x_311, 0);
- x_316 = x_311;
-} else {
- lean_dec_ref(x_311);
- x_316 = lean_box(0);
-}
-x_317 = lean_ctor_get(x_315, 0);
+lean_object* x_317; lean_object* x_318; lean_object* x_319; 
+x_317 = lean_ctor_get(x_315, 1);
 lean_inc(x_317);
-x_318 = lean_ctor_get(x_315, 1);
-lean_inc(x_318);
-lean_dec(x_315);
-x_319 = lean_ctor_get(x_310, 1);
-lean_inc(x_319);
-if (lean_is_exclusive(x_310)) {
- lean_ctor_release(x_310, 0);
- lean_ctor_release(x_310, 1);
- x_320 = x_310;
+if (lean_is_exclusive(x_315)) {
+ lean_ctor_release(x_315, 0);
+ lean_ctor_release(x_315, 1);
+ x_318 = x_315;
 } else {
- lean_dec_ref(x_310);
- x_320 = lean_box(0);
+ lean_dec_ref(x_315);
+ x_318 = lean_box(0);
 }
-x_321 = lean_ctor_get(x_317, 0);
-lean_inc(x_321);
-if (lean_is_exclusive(x_317)) {
- lean_ctor_release(x_317, 0);
- lean_ctor_release(x_317, 1);
- x_322 = x_317;
+if (lean_is_scalar(x_318)) {
+ x_319 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_317);
- x_322 = lean_box(0);
+ x_319 = x_318;
 }
-x_323 = lean_ctor_get(x_318, 0);
+lean_ctor_set(x_319, 0, x_314);
+lean_ctor_set(x_319, 1, x_317);
+return x_319;
+}
+else
+{
+lean_object* x_320; lean_object* x_321; lean_object* x_322; lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; lean_object* x_333; lean_object* x_334; 
+x_320 = lean_ctor_get(x_316, 0);
+lean_inc(x_320);
+if (lean_is_exclusive(x_316)) {
+ lean_ctor_release(x_316, 0);
+ x_321 = x_316;
+} else {
+ lean_dec_ref(x_316);
+ x_321 = lean_box(0);
+}
+x_322 = lean_ctor_get(x_320, 0);
+lean_inc(x_322);
+x_323 = lean_ctor_get(x_320, 1);
 lean_inc(x_323);
-if (lean_is_exclusive(x_318)) {
- lean_ctor_release(x_318, 0);
- lean_ctor_release(x_318, 1);
- x_324 = x_318;
+lean_dec(x_320);
+x_324 = lean_ctor_get(x_315, 1);
+lean_inc(x_324);
+if (lean_is_exclusive(x_315)) {
+ lean_ctor_release(x_315, 0);
+ lean_ctor_release(x_315, 1);
+ x_325 = x_315;
 } else {
- lean_dec_ref(x_318);
- x_324 = lean_box(0);
+ lean_dec_ref(x_315);
+ x_325 = lean_box(0);
 }
-x_325 = lean_box(0);
-if (lean_is_scalar(x_324)) {
- x_326 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_326 = x_324;
- lean_ctor_set_tag(x_326, 1);
-}
-lean_ctor_set(x_326, 0, x_323);
-lean_ctor_set(x_326, 1, x_325);
-if (lean_is_scalar(x_322)) {
- x_327 = lean_alloc_ctor(1, 2, 0);
-} else {
+x_326 = lean_ctor_get(x_322, 0);
+lean_inc(x_326);
+if (lean_is_exclusive(x_322)) {
+ lean_ctor_release(x_322, 0);
+ lean_ctor_release(x_322, 1);
  x_327 = x_322;
- lean_ctor_set_tag(x_327, 1);
-}
-lean_ctor_set(x_327, 0, x_321);
-lean_ctor_set(x_327, 1, x_326);
-if (lean_is_scalar(x_316)) {
- x_328 = lean_alloc_ctor(1, 1, 0);
 } else {
- x_328 = x_316;
+ lean_dec_ref(x_322);
+ x_327 = lean_box(0);
 }
-lean_ctor_set(x_328, 0, x_327);
-if (lean_is_scalar(x_320)) {
- x_329 = lean_alloc_ctor(0, 2, 0);
+x_328 = lean_ctor_get(x_323, 0);
+lean_inc(x_328);
+if (lean_is_exclusive(x_323)) {
+ lean_ctor_release(x_323, 0);
+ lean_ctor_release(x_323, 1);
+ x_329 = x_323;
 } else {
- x_329 = x_320;
+ lean_dec_ref(x_323);
+ x_329 = lean_box(0);
 }
-lean_ctor_set(x_329, 0, x_328);
-lean_ctor_set(x_329, 1, x_319);
-return x_329;
+x_330 = lean_box(0);
+if (lean_is_scalar(x_329)) {
+ x_331 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_331 = x_329;
+ lean_ctor_set_tag(x_331, 1);
+}
+lean_ctor_set(x_331, 0, x_328);
+lean_ctor_set(x_331, 1, x_330);
+if (lean_is_scalar(x_327)) {
+ x_332 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_332 = x_327;
+ lean_ctor_set_tag(x_332, 1);
+}
+lean_ctor_set(x_332, 0, x_326);
+lean_ctor_set(x_332, 1, x_331);
+if (lean_is_scalar(x_321)) {
+ x_333 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_333 = x_321;
+}
+lean_ctor_set(x_333, 0, x_332);
+if (lean_is_scalar(x_325)) {
+ x_334 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_334 = x_325;
+}
+lean_ctor_set(x_334, 0, x_333);
+lean_ctor_set(x_334, 1, x_324);
+return x_334;
 }
 }
 else
 {
-lean_object* x_330; lean_object* x_331; lean_object* x_332; lean_object* x_333; 
-x_330 = lean_ctor_get(x_310, 0);
-lean_inc(x_330);
-x_331 = lean_ctor_get(x_310, 1);
-lean_inc(x_331);
-if (lean_is_exclusive(x_310)) {
- lean_ctor_release(x_310, 0);
- lean_ctor_release(x_310, 1);
- x_332 = x_310;
-} else {
- lean_dec_ref(x_310);
- x_332 = lean_box(0);
-}
-if (lean_is_scalar(x_332)) {
- x_333 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_333 = x_332;
-}
-lean_ctor_set(x_333, 0, x_330);
-lean_ctor_set(x_333, 1, x_331);
-return x_333;
-}
-}
-}
-else
-{
-lean_object* x_334; lean_object* x_335; 
-lean_dec(x_258);
-lean_free_object(x_10);
-lean_dec(x_4);
-x_334 = lean_box(0);
-x_335 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_334, x_5, x_6, x_7, x_8, x_13);
-if (lean_obj_tag(x_335) == 0)
-{
-lean_object* x_336; 
-x_336 = lean_ctor_get(x_335, 0);
+lean_object* x_335; lean_object* x_336; lean_object* x_337; lean_object* x_338; 
+x_335 = lean_ctor_get(x_315, 0);
+lean_inc(x_335);
+x_336 = lean_ctor_get(x_315, 1);
 lean_inc(x_336);
-if (lean_obj_tag(x_336) == 0)
-{
-lean_object* x_337; lean_object* x_338; lean_object* x_339; 
-x_337 = lean_ctor_get(x_335, 1);
-lean_inc(x_337);
-if (lean_is_exclusive(x_335)) {
- lean_ctor_release(x_335, 0);
- lean_ctor_release(x_335, 1);
- x_338 = x_335;
+if (lean_is_exclusive(x_315)) {
+ lean_ctor_release(x_315, 0);
+ lean_ctor_release(x_315, 1);
+ x_337 = x_315;
 } else {
- lean_dec_ref(x_335);
- x_338 = lean_box(0);
+ lean_dec_ref(x_315);
+ x_337 = lean_box(0);
 }
-if (lean_is_scalar(x_338)) {
- x_339 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_337)) {
+ x_338 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_339 = x_338;
+ x_338 = x_337;
+}
+lean_ctor_set(x_338, 0, x_335);
+lean_ctor_set(x_338, 1, x_336);
+return x_338;
+}
 }
-lean_ctor_set(x_339, 0, x_334);
-lean_ctor_set(x_339, 1, x_337);
-return x_339;
 }
 else
 {
-lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; lean_object* x_345; lean_object* x_346; lean_object* x_347; lean_object* x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; 
-x_340 = lean_ctor_get(x_336, 0);
-lean_inc(x_340);
-if (lean_is_exclusive(x_336)) {
- lean_ctor_release(x_336, 0);
- x_341 = x_336;
-} else {
- lean_dec_ref(x_336);
- x_341 = lean_box(0);
-}
-x_342 = lean_ctor_get(x_340, 0);
+lean_object* x_339; lean_object* x_340; 
+lean_dec(x_262);
+lean_dec(x_4);
+lean_dec(x_3);
+x_339 = lean_box(0);
+x_340 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_339, x_5, x_6, x_7, x_8, x_46);
+if (lean_obj_tag(x_340) == 0)
+{
+lean_object* x_341; 
+x_341 = lean_ctor_get(x_340, 0);
+lean_inc(x_341);
+if (lean_obj_tag(x_341) == 0)
+{
+lean_object* x_342; lean_object* x_343; lean_object* x_344; 
+x_342 = lean_ctor_get(x_340, 1);
 lean_inc(x_342);
-x_343 = lean_ctor_get(x_340, 1);
-lean_inc(x_343);
-lean_dec(x_340);
-x_344 = lean_ctor_get(x_335, 1);
-lean_inc(x_344);
-if (lean_is_exclusive(x_335)) {
- lean_ctor_release(x_335, 0);
- lean_ctor_release(x_335, 1);
- x_345 = x_335;
+if (lean_is_exclusive(x_340)) {
+ lean_ctor_release(x_340, 0);
+ lean_ctor_release(x_340, 1);
+ x_343 = x_340;
 } else {
- lean_dec_ref(x_335);
- x_345 = lean_box(0);
+ lean_dec_ref(x_340);
+ x_343 = lean_box(0);
 }
-x_346 = lean_ctor_get(x_342, 0);
-lean_inc(x_346);
-if (lean_is_exclusive(x_342)) {
- lean_ctor_release(x_342, 0);
- lean_ctor_release(x_342, 1);
- x_347 = x_342;
+if (lean_is_scalar(x_343)) {
+ x_344 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_342);
- x_347 = lean_box(0);
+ x_344 = x_343;
 }
-x_348 = lean_ctor_get(x_343, 0);
+lean_ctor_set(x_344, 0, x_339);
+lean_ctor_set(x_344, 1, x_342);
+return x_344;
+}
+else
+{
+lean_object* x_345; lean_object* x_346; lean_object* x_347; lean_object* x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; lean_object* x_357; lean_object* x_358; lean_object* x_359; 
+x_345 = lean_ctor_get(x_341, 0);
+lean_inc(x_345);
+if (lean_is_exclusive(x_341)) {
+ lean_ctor_release(x_341, 0);
+ x_346 = x_341;
+} else {
+ lean_dec_ref(x_341);
+ x_346 = lean_box(0);
+}
+x_347 = lean_ctor_get(x_345, 0);
+lean_inc(x_347);
+x_348 = lean_ctor_get(x_345, 1);
 lean_inc(x_348);
-if (lean_is_exclusive(x_343)) {
- lean_ctor_release(x_343, 0);
- lean_ctor_release(x_343, 1);
- x_349 = x_343;
+lean_dec(x_345);
+x_349 = lean_ctor_get(x_340, 1);
+lean_inc(x_349);
+if (lean_is_exclusive(x_340)) {
+ lean_ctor_release(x_340, 0);
+ lean_ctor_release(x_340, 1);
+ x_350 = x_340;
 } else {
- lean_dec_ref(x_343);
- x_349 = lean_box(0);
+ lean_dec_ref(x_340);
+ x_350 = lean_box(0);
 }
-x_350 = lean_box(0);
-if (lean_is_scalar(x_349)) {
- x_351 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_351 = x_349;
- lean_ctor_set_tag(x_351, 1);
-}
-lean_ctor_set(x_351, 0, x_348);
-lean_ctor_set(x_351, 1, x_350);
-if (lean_is_scalar(x_347)) {
- x_352 = lean_alloc_ctor(1, 2, 0);
-} else {
+x_351 = lean_ctor_get(x_347, 0);
+lean_inc(x_351);
+if (lean_is_exclusive(x_347)) {
+ lean_ctor_release(x_347, 0);
+ lean_ctor_release(x_347, 1);
  x_352 = x_347;
- lean_ctor_set_tag(x_352, 1);
-}
-lean_ctor_set(x_352, 0, x_346);
-lean_ctor_set(x_352, 1, x_351);
-if (lean_is_scalar(x_341)) {
- x_353 = lean_alloc_ctor(1, 1, 0);
 } else {
- x_353 = x_341;
+ lean_dec_ref(x_347);
+ x_352 = lean_box(0);
 }
-lean_ctor_set(x_353, 0, x_352);
-if (lean_is_scalar(x_345)) {
- x_354 = lean_alloc_ctor(0, 2, 0);
+x_353 = lean_ctor_get(x_348, 0);
+lean_inc(x_353);
+if (lean_is_exclusive(x_348)) {
+ lean_ctor_release(x_348, 0);
+ lean_ctor_release(x_348, 1);
+ x_354 = x_348;
 } else {
- x_354 = x_345;
+ lean_dec_ref(x_348);
+ x_354 = lean_box(0);
 }
-lean_ctor_set(x_354, 0, x_353);
-lean_ctor_set(x_354, 1, x_344);
-return x_354;
+x_355 = lean_box(0);
+if (lean_is_scalar(x_354)) {
+ x_356 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_356 = x_354;
+ lean_ctor_set_tag(x_356, 1);
+}
+lean_ctor_set(x_356, 0, x_353);
+lean_ctor_set(x_356, 1, x_355);
+if (lean_is_scalar(x_352)) {
+ x_357 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_357 = x_352;
+ lean_ctor_set_tag(x_357, 1);
+}
+lean_ctor_set(x_357, 0, x_351);
+lean_ctor_set(x_357, 1, x_356);
+if (lean_is_scalar(x_346)) {
+ x_358 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_358 = x_346;
+}
+lean_ctor_set(x_358, 0, x_357);
+if (lean_is_scalar(x_350)) {
+ x_359 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_359 = x_350;
+}
+lean_ctor_set(x_359, 0, x_358);
+lean_ctor_set(x_359, 1, x_349);
+return x_359;
 }
 }
 else
 {
-lean_object* x_355; lean_object* x_356; lean_object* x_357; lean_object* x_358; 
-x_355 = lean_ctor_get(x_335, 0);
-lean_inc(x_355);
-x_356 = lean_ctor_get(x_335, 1);
-lean_inc(x_356);
-if (lean_is_exclusive(x_335)) {
- lean_ctor_release(x_335, 0);
- lean_ctor_release(x_335, 1);
- x_357 = x_335;
-} else {
- lean_dec_ref(x_335);
- x_357 = lean_box(0);
-}
-if (lean_is_scalar(x_357)) {
- x_358 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_358 = x_357;
-}
-lean_ctor_set(x_358, 0, x_355);
-lean_ctor_set(x_358, 1, x_356);
-return x_358;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; 
-x_359 = lean_ctor_get(x_10, 0);
-x_360 = lean_ctor_get(x_10, 1);
+lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; 
+x_360 = lean_ctor_get(x_340, 0);
 lean_inc(x_360);
-lean_inc(x_359);
-lean_dec(x_10);
-x_361 = lean_ctor_get(x_359, 0);
+x_361 = lean_ctor_get(x_340, 1);
 lean_inc(x_361);
-lean_dec(x_359);
-lean_inc(x_4);
-x_362 = l_Lean_Meta_Split_findSplit_x3f_go(x_361, x_2, x_4, x_3);
-if (lean_obj_tag(x_362) == 0)
+if (lean_is_exclusive(x_340)) {
+ lean_ctor_release(x_340, 0);
+ lean_ctor_release(x_340, 1);
+ x_362 = x_340;
+} else {
+ lean_dec_ref(x_340);
+ x_362 = lean_box(0);
+}
+if (lean_is_scalar(x_362)) {
+ x_363 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_363 = x_362;
+}
+lean_ctor_set(x_363, 0, x_360);
+lean_ctor_set(x_363, 1, x_361);
+return x_363;
+}
+}
+}
+}
+}
+else
 {
-lean_object* x_363; lean_object* x_364; lean_object* x_365; lean_object* x_366; lean_object* x_367; lean_object* x_368; uint8_t x_369; 
+uint8_t x_364; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
 lean_dec(x_4);
-x_363 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__3;
-x_364 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_363, x_5, x_6, x_7, x_8, x_360);
-x_365 = lean_ctor_get(x_364, 0);
-lean_inc(x_365);
-x_366 = lean_ctor_get(x_364, 1);
+lean_dec(x_3);
+lean_dec(x_1);
+x_364 = !lean_is_exclusive(x_11);
+if (x_364 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_365; lean_object* x_366; lean_object* x_367; 
+x_365 = lean_ctor_get(x_11, 0);
+x_366 = lean_ctor_get(x_11, 1);
 lean_inc(x_366);
-if (lean_is_exclusive(x_364)) {
- lean_ctor_release(x_364, 0);
- lean_ctor_release(x_364, 1);
- x_367 = x_364;
-} else {
- lean_dec_ref(x_364);
- x_367 = lean_box(0);
-}
-x_368 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___closed__1;
-x_369 = lean_unbox(x_365);
-lean_dec(x_365);
-if (x_369 == 0)
-{
-lean_object* x_370; lean_object* x_371; 
-lean_dec(x_367);
-lean_dec(x_1);
-x_370 = lean_box(0);
-x_371 = lean_apply_6(x_368, x_370, x_5, x_6, x_7, x_8, x_366);
-return x_371;
-}
-else
-{
-lean_object* x_372; lean_object* x_373; lean_object* x_374; lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; 
-x_372 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_372, 0, x_1);
-x_373 = l_Lean_Meta_splitTarget_x3f_go___closed__2;
-if (lean_is_scalar(x_367)) {
- x_374 = lean_alloc_ctor(7, 2, 0);
-} else {
- x_374 = x_367;
- lean_ctor_set_tag(x_374, 7);
-}
-lean_ctor_set(x_374, 0, x_373);
-lean_ctor_set(x_374, 1, x_372);
-x_375 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
-x_376 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_376, 0, x_374);
-lean_ctor_set(x_376, 1, x_375);
-x_377 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_363, x_376, x_5, x_6, x_7, x_8, x_366);
-x_378 = lean_ctor_get(x_377, 0);
-lean_inc(x_378);
-x_379 = lean_ctor_get(x_377, 1);
-lean_inc(x_379);
-lean_dec(x_377);
-x_380 = lean_apply_6(x_368, x_378, x_5, x_6, x_7, x_8, x_379);
-return x_380;
-}
-}
-else
-{
-lean_object* x_381; lean_object* x_382; uint8_t x_383; 
-x_381 = lean_ctor_get(x_362, 0);
-lean_inc(x_381);
-if (lean_is_exclusive(x_362)) {
- lean_ctor_release(x_362, 0);
- x_382 = x_362;
-} else {
- lean_dec_ref(x_362);
- x_382 = lean_box(0);
-}
-x_383 = l_Lean_Expr_isIte(x_381);
-if (x_383 == 0)
-{
-uint8_t x_384; 
-x_384 = l_Lean_Expr_isDIte(x_381);
-if (x_384 == 0)
-{
-lean_object* x_385; 
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_381);
-lean_inc(x_1);
-x_385 = l_Lean_Meta_Split_splitMatch(x_1, x_381, x_5, x_6, x_7, x_8, x_360);
-if (lean_obj_tag(x_385) == 0)
-{
-lean_object* x_386; lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; 
-lean_dec(x_381);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-x_386 = lean_ctor_get(x_385, 0);
-lean_inc(x_386);
-x_387 = lean_ctor_get(x_385, 1);
-lean_inc(x_387);
-if (lean_is_exclusive(x_385)) {
- lean_ctor_release(x_385, 0);
- lean_ctor_release(x_385, 1);
- x_388 = x_385;
-} else {
- lean_dec_ref(x_385);
- x_388 = lean_box(0);
-}
-if (lean_is_scalar(x_382)) {
- x_389 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_389 = x_382;
-}
-lean_ctor_set(x_389, 0, x_386);
-if (lean_is_scalar(x_388)) {
- x_390 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_390 = x_388;
-}
-lean_ctor_set(x_390, 0, x_389);
-lean_ctor_set(x_390, 1, x_387);
-return x_390;
-}
-else
-{
-lean_object* x_391; lean_object* x_392; lean_object* x_393; uint8_t x_394; 
-lean_dec(x_382);
-x_391 = lean_ctor_get(x_385, 0);
-lean_inc(x_391);
-x_392 = lean_ctor_get(x_385, 1);
-lean_inc(x_392);
-if (lean_is_exclusive(x_385)) {
- lean_ctor_release(x_385, 0);
- lean_ctor_release(x_385, 1);
- x_393 = x_385;
-} else {
- lean_dec_ref(x_385);
- x_393 = lean_box(0);
-}
-x_394 = l_Lean_Exception_isInterrupt(x_391);
-if (x_394 == 0)
-{
-uint8_t x_395; 
-x_395 = l_Lean_Exception_isRuntime(x_391);
-if (x_395 == 0)
-{
-uint8_t x_396; 
-lean_dec(x_393);
-x_396 = l_Lean_Meta_Split_isDiscrGenException(x_391);
-if (x_396 == 0)
-{
-lean_object* x_397; lean_object* x_398; lean_object* x_399; uint8_t x_400; 
-x_397 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
-x_398 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_397, x_5, x_6, x_7, x_8, x_392);
-x_399 = lean_ctor_get(x_398, 0);
-lean_inc(x_399);
-x_400 = lean_unbox(x_399);
-lean_dec(x_399);
-if (x_400 == 0)
-{
-lean_object* x_401; lean_object* x_402; lean_object* x_403; 
-lean_dec(x_391);
-x_401 = lean_ctor_get(x_398, 1);
-lean_inc(x_401);
-lean_dec(x_398);
-x_402 = lean_box(0);
-x_403 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_381, x_1, x_2, x_3, x_402, x_5, x_6, x_7, x_8, x_401);
-return x_403;
-}
-else
-{
-lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; lean_object* x_410; lean_object* x_411; lean_object* x_412; lean_object* x_413; lean_object* x_414; lean_object* x_415; lean_object* x_416; lean_object* x_417; lean_object* x_418; 
-x_404 = lean_ctor_get(x_398, 1);
-lean_inc(x_404);
-if (lean_is_exclusive(x_398)) {
- lean_ctor_release(x_398, 0);
- lean_ctor_release(x_398, 1);
- x_405 = x_398;
-} else {
- lean_dec_ref(x_398);
- x_405 = lean_box(0);
-}
-lean_inc(x_381);
-x_406 = l_Lean_indentExpr(x_381);
-x_407 = l_Lean_Meta_splitTarget_x3f_go___closed__6;
-if (lean_is_scalar(x_405)) {
- x_408 = lean_alloc_ctor(7, 2, 0);
-} else {
- x_408 = x_405;
- lean_ctor_set_tag(x_408, 7);
-}
-lean_ctor_set(x_408, 0, x_407);
-lean_ctor_set(x_408, 1, x_406);
-x_409 = l_Lean_Meta_splitTarget_x3f_go___closed__8;
-x_410 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_410, 0, x_408);
-lean_ctor_set(x_410, 1, x_409);
-x_411 = l_Lean_Exception_toMessageData(x_391);
-x_412 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_412, 0, x_410);
-lean_ctor_set(x_412, 1, x_411);
-x_413 = l_Array_forIn_x27Unsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__7___closed__9;
-x_414 = lean_alloc_ctor(7, 2, 0);
-lean_ctor_set(x_414, 0, x_412);
-lean_ctor_set(x_414, 1, x_413);
-x_415 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_397, x_414, x_5, x_6, x_7, x_8, x_404);
-x_416 = lean_ctor_get(x_415, 0);
-lean_inc(x_416);
-x_417 = lean_ctor_get(x_415, 1);
-lean_inc(x_417);
-lean_dec(x_415);
-x_418 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_381, x_1, x_2, x_3, x_416, x_5, x_6, x_7, x_8, x_417);
-lean_dec(x_416);
-return x_418;
-}
-}
-else
-{
-lean_object* x_419; lean_object* x_420; lean_object* x_421; uint8_t x_422; 
-lean_dec(x_391);
-x_419 = l_Lean_Meta_splitTarget_x3f_go___closed__4;
-x_420 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_419, x_5, x_6, x_7, x_8, x_392);
-x_421 = lean_ctor_get(x_420, 0);
-lean_inc(x_421);
-x_422 = lean_unbox(x_421);
-lean_dec(x_421);
-if (x_422 == 0)
-{
-lean_object* x_423; lean_object* x_424; lean_object* x_425; 
-x_423 = lean_ctor_get(x_420, 1);
-lean_inc(x_423);
-lean_dec(x_420);
-x_424 = lean_box(0);
-x_425 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_381, x_1, x_2, x_3, x_424, x_5, x_6, x_7, x_8, x_423);
-return x_425;
-}
-else
-{
-lean_object* x_426; lean_object* x_427; lean_object* x_428; lean_object* x_429; lean_object* x_430; lean_object* x_431; 
-x_426 = lean_ctor_get(x_420, 1);
-lean_inc(x_426);
-lean_dec(x_420);
-lean_inc(x_381);
-x_427 = l_Lean_Meta_Split_mkDiscrGenErrorMsg(x_381);
-x_428 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_419, x_427, x_5, x_6, x_7, x_8, x_426);
-x_429 = lean_ctor_get(x_428, 0);
-lean_inc(x_429);
-x_430 = lean_ctor_get(x_428, 1);
-lean_inc(x_430);
-lean_dec(x_428);
-x_431 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_4, x_381, x_1, x_2, x_3, x_429, x_5, x_6, x_7, x_8, x_430);
-lean_dec(x_429);
-return x_431;
-}
-}
-}
-else
-{
-lean_object* x_432; 
-lean_dec(x_381);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-if (lean_is_scalar(x_393)) {
- x_432 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_432 = x_393;
-}
-lean_ctor_set(x_432, 0, x_391);
-lean_ctor_set(x_432, 1, x_392);
-return x_432;
-}
-}
-else
-{
-lean_object* x_433; 
-lean_dec(x_381);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-if (lean_is_scalar(x_393)) {
- x_433 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_433 = x_393;
-}
-lean_ctor_set(x_433, 0, x_391);
-lean_ctor_set(x_433, 1, x_392);
-return x_433;
-}
-}
-}
-else
-{
-lean_object* x_434; lean_object* x_435; 
-lean_dec(x_382);
-lean_dec(x_381);
-lean_dec(x_4);
-x_434 = lean_box(0);
-x_435 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_434, x_5, x_6, x_7, x_8, x_360);
-if (lean_obj_tag(x_435) == 0)
-{
-lean_object* x_436; 
-x_436 = lean_ctor_get(x_435, 0);
-lean_inc(x_436);
-if (lean_obj_tag(x_436) == 0)
-{
-lean_object* x_437; lean_object* x_438; lean_object* x_439; 
-x_437 = lean_ctor_get(x_435, 1);
-lean_inc(x_437);
-if (lean_is_exclusive(x_435)) {
- lean_ctor_release(x_435, 0);
- lean_ctor_release(x_435, 1);
- x_438 = x_435;
-} else {
- lean_dec_ref(x_435);
- x_438 = lean_box(0);
-}
-if (lean_is_scalar(x_438)) {
- x_439 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_439 = x_438;
-}
-lean_ctor_set(x_439, 0, x_434);
-lean_ctor_set(x_439, 1, x_437);
-return x_439;
-}
-else
-{
-lean_object* x_440; lean_object* x_441; lean_object* x_442; lean_object* x_443; lean_object* x_444; lean_object* x_445; lean_object* x_446; lean_object* x_447; lean_object* x_448; lean_object* x_449; lean_object* x_450; lean_object* x_451; lean_object* x_452; lean_object* x_453; lean_object* x_454; 
-x_440 = lean_ctor_get(x_436, 0);
-lean_inc(x_440);
-if (lean_is_exclusive(x_436)) {
- lean_ctor_release(x_436, 0);
- x_441 = x_436;
-} else {
- lean_dec_ref(x_436);
- x_441 = lean_box(0);
-}
-x_442 = lean_ctor_get(x_440, 0);
-lean_inc(x_442);
-x_443 = lean_ctor_get(x_440, 1);
-lean_inc(x_443);
-lean_dec(x_440);
-x_444 = lean_ctor_get(x_435, 1);
-lean_inc(x_444);
-if (lean_is_exclusive(x_435)) {
- lean_ctor_release(x_435, 0);
- lean_ctor_release(x_435, 1);
- x_445 = x_435;
-} else {
- lean_dec_ref(x_435);
- x_445 = lean_box(0);
-}
-x_446 = lean_ctor_get(x_442, 0);
-lean_inc(x_446);
-if (lean_is_exclusive(x_442)) {
- lean_ctor_release(x_442, 0);
- lean_ctor_release(x_442, 1);
- x_447 = x_442;
-} else {
- lean_dec_ref(x_442);
- x_447 = lean_box(0);
-}
-x_448 = lean_ctor_get(x_443, 0);
-lean_inc(x_448);
-if (lean_is_exclusive(x_443)) {
- lean_ctor_release(x_443, 0);
- lean_ctor_release(x_443, 1);
- x_449 = x_443;
-} else {
- lean_dec_ref(x_443);
- x_449 = lean_box(0);
-}
-x_450 = lean_box(0);
-if (lean_is_scalar(x_449)) {
- x_451 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_451 = x_449;
- lean_ctor_set_tag(x_451, 1);
-}
-lean_ctor_set(x_451, 0, x_448);
-lean_ctor_set(x_451, 1, x_450);
-if (lean_is_scalar(x_447)) {
- x_452 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_452 = x_447;
- lean_ctor_set_tag(x_452, 1);
-}
-lean_ctor_set(x_452, 0, x_446);
-lean_ctor_set(x_452, 1, x_451);
-if (lean_is_scalar(x_441)) {
- x_453 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_453 = x_441;
-}
-lean_ctor_set(x_453, 0, x_452);
-if (lean_is_scalar(x_445)) {
- x_454 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_454 = x_445;
-}
-lean_ctor_set(x_454, 0, x_453);
-lean_ctor_set(x_454, 1, x_444);
-return x_454;
-}
-}
-else
-{
-lean_object* x_455; lean_object* x_456; lean_object* x_457; lean_object* x_458; 
-x_455 = lean_ctor_get(x_435, 0);
-lean_inc(x_455);
-x_456 = lean_ctor_get(x_435, 1);
-lean_inc(x_456);
-if (lean_is_exclusive(x_435)) {
- lean_ctor_release(x_435, 0);
- lean_ctor_release(x_435, 1);
- x_457 = x_435;
-} else {
- lean_dec_ref(x_435);
- x_457 = lean_box(0);
-}
-if (lean_is_scalar(x_457)) {
- x_458 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_458 = x_457;
-}
-lean_ctor_set(x_458, 0, x_455);
-lean_ctor_set(x_458, 1, x_456);
-return x_458;
-}
-}
-}
-else
-{
-lean_object* x_459; lean_object* x_460; 
-lean_dec(x_382);
-lean_dec(x_381);
-lean_dec(x_4);
-x_459 = lean_box(0);
-x_460 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_459, x_5, x_6, x_7, x_8, x_360);
-if (lean_obj_tag(x_460) == 0)
-{
-lean_object* x_461; 
-x_461 = lean_ctor_get(x_460, 0);
-lean_inc(x_461);
-if (lean_obj_tag(x_461) == 0)
-{
-lean_object* x_462; lean_object* x_463; lean_object* x_464; 
-x_462 = lean_ctor_get(x_460, 1);
-lean_inc(x_462);
-if (lean_is_exclusive(x_460)) {
- lean_ctor_release(x_460, 0);
- lean_ctor_release(x_460, 1);
- x_463 = x_460;
-} else {
- lean_dec_ref(x_460);
- x_463 = lean_box(0);
-}
-if (lean_is_scalar(x_463)) {
- x_464 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_464 = x_463;
-}
-lean_ctor_set(x_464, 0, x_459);
-lean_ctor_set(x_464, 1, x_462);
-return x_464;
-}
-else
-{
-lean_object* x_465; lean_object* x_466; lean_object* x_467; lean_object* x_468; lean_object* x_469; lean_object* x_470; lean_object* x_471; lean_object* x_472; lean_object* x_473; lean_object* x_474; lean_object* x_475; lean_object* x_476; lean_object* x_477; lean_object* x_478; lean_object* x_479; 
-x_465 = lean_ctor_get(x_461, 0);
-lean_inc(x_465);
-if (lean_is_exclusive(x_461)) {
- lean_ctor_release(x_461, 0);
- x_466 = x_461;
-} else {
- lean_dec_ref(x_461);
- x_466 = lean_box(0);
-}
-x_467 = lean_ctor_get(x_465, 0);
-lean_inc(x_467);
-x_468 = lean_ctor_get(x_465, 1);
-lean_inc(x_468);
-lean_dec(x_465);
-x_469 = lean_ctor_get(x_460, 1);
-lean_inc(x_469);
-if (lean_is_exclusive(x_460)) {
- lean_ctor_release(x_460, 0);
- lean_ctor_release(x_460, 1);
- x_470 = x_460;
-} else {
- lean_dec_ref(x_460);
- x_470 = lean_box(0);
-}
-x_471 = lean_ctor_get(x_467, 0);
-lean_inc(x_471);
-if (lean_is_exclusive(x_467)) {
- lean_ctor_release(x_467, 0);
- lean_ctor_release(x_467, 1);
- x_472 = x_467;
-} else {
- lean_dec_ref(x_467);
- x_472 = lean_box(0);
-}
-x_473 = lean_ctor_get(x_468, 0);
-lean_inc(x_473);
-if (lean_is_exclusive(x_468)) {
- lean_ctor_release(x_468, 0);
- lean_ctor_release(x_468, 1);
- x_474 = x_468;
-} else {
- lean_dec_ref(x_468);
- x_474 = lean_box(0);
-}
-x_475 = lean_box(0);
-if (lean_is_scalar(x_474)) {
- x_476 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_476 = x_474;
- lean_ctor_set_tag(x_476, 1);
-}
-lean_ctor_set(x_476, 0, x_473);
-lean_ctor_set(x_476, 1, x_475);
-if (lean_is_scalar(x_472)) {
- x_477 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_477 = x_472;
- lean_ctor_set_tag(x_477, 1);
-}
-lean_ctor_set(x_477, 0, x_471);
-lean_ctor_set(x_477, 1, x_476);
-if (lean_is_scalar(x_466)) {
- x_478 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_478 = x_466;
-}
-lean_ctor_set(x_478, 0, x_477);
-if (lean_is_scalar(x_470)) {
- x_479 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_479 = x_470;
-}
-lean_ctor_set(x_479, 0, x_478);
-lean_ctor_set(x_479, 1, x_469);
-return x_479;
-}
-}
-else
-{
-lean_object* x_480; lean_object* x_481; lean_object* x_482; lean_object* x_483; 
-x_480 = lean_ctor_get(x_460, 0);
-lean_inc(x_480);
-x_481 = lean_ctor_get(x_460, 1);
-lean_inc(x_481);
-if (lean_is_exclusive(x_460)) {
- lean_ctor_release(x_460, 0);
- lean_ctor_release(x_460, 1);
- x_482 = x_460;
-} else {
- lean_dec_ref(x_460);
- x_482 = lean_box(0);
-}
-if (lean_is_scalar(x_482)) {
- x_483 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_483 = x_482;
-}
-lean_ctor_set(x_483, 0, x_480);
-lean_ctor_set(x_483, 1, x_481);
-return x_483;
-}
+lean_inc(x_365);
+lean_dec(x_11);
+x_367 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_367, 0, x_365);
+lean_ctor_set(x_367, 1, x_366);
+return x_367;
 }
 }
 }
@@ -17385,7 +16204,6 @@ x_12 = lean_unbox(x_4);
 lean_dec(x_4);
 x_13 = l_Lean_Meta_splitTarget_x3f_go___lambda__1(x_1, x_2, x_3, x_12, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_6);
-lean_dec(x_5);
 return x_13;
 }
 }
@@ -17396,7 +16214,6 @@ uint8_t x_10; lean_object* x_11;
 x_10 = lean_unbox(x_2);
 lean_dec(x_2);
 x_11 = l_Lean_Meta_splitTarget_x3f_go(x_1, x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-lean_dec(x_3);
 return x_11;
 }
 }
@@ -17668,7 +16485,6 @@ lean_inc(x_13);
 lean_dec(x_11);
 x_14 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__3;
 x_15 = l_Lean_Meta_splitTarget_x3f_go(x_1, x_2, x_12, x_14, x_3, x_4, x_5, x_6, x_13);
-lean_dec(x_12);
 return x_15;
 }
 else
@@ -17703,13 +16519,17 @@ return x_19;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_8 = lean_box(x_2);
+lean_inc(x_1);
 x_9 = lean_alloc_closure((void*)(l_Lean_Meta_splitTarget_x3f___lambda__1___boxed), 7, 2);
 lean_closure_set(x_9, 0, x_1);
 lean_closure_set(x_9, 1, x_8);
-x_10 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_9, x_3, x_4, x_5, x_6, x_7);
-return x_10;
+x_10 = lean_alloc_closure((void*)(l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg), 7, 2);
+lean_closure_set(x_10, 0, x_1);
+lean_closure_set(x_10, 1, x_9);
+x_11 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_10, x_3, x_4, x_5, x_6, x_7);
+return x_11;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
@@ -18632,1433 +17452,1081 @@ return x_81;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_splitLocalDecl_x3f___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Meta_splitLocalDecl_x3f___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_st_ref_get(x_6, x_7);
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_10 = lean_ctor_get(x_8, 0);
-x_11 = lean_ctor_get(x_8, 1);
-x_12 = lean_ctor_get(x_10, 0);
-lean_inc(x_12);
-lean_dec(x_10);
-lean_inc(x_1);
-x_13 = l_Lean_Expr_fvar___override(x_1);
+lean_object* x_9; 
+lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_3);
-x_14 = lean_infer_type(x_13, x_3, x_4, x_5, x_6, x_11);
-if (lean_obj_tag(x_14) == 0)
+x_9 = lean_infer_type(x_1, x_4, x_5, x_6, x_7, x_8);
+if (lean_obj_tag(x_9) == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-x_17 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassApp_x3f___spec__1(x_15, x_3, x_4, x_5, x_6, x_16);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_9, 1);
+lean_inc(x_11);
+lean_dec(x_9);
+x_12 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassApp_x3f___spec__1(x_10, x_4, x_5, x_6, x_7, x_11);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
 {
-lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; lean_object* x_23; 
-x_19 = lean_ctor_get(x_17, 0);
-x_20 = lean_ctor_get(x_17, 1);
-x_21 = 1;
-x_22 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__3;
-x_23 = l_Lean_Meta_Split_findSplit_x3f_go(x_12, x_21, x_22, x_19);
-lean_dec(x_19);
-if (lean_obj_tag(x_23) == 0)
+lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_12, 0);
+x_15 = lean_ctor_get(x_12, 1);
+x_16 = 2;
+x_17 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__3;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_18 = l_Lean_Meta_findSplit_x3f(x_14, x_16, x_17, x_4, x_5, x_6, x_7, x_15);
+if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_24; 
-lean_free_object(x_8);
+lean_object* x_19; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+if (lean_obj_tag(x_19) == 0)
+{
+uint8_t x_20; 
+lean_free_object(x_12);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
+x_20 = !lean_is_exclusive(x_18);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_18, 0);
+lean_dec(x_21);
+x_22 = lean_box(0);
+lean_ctor_set(x_18, 0, x_22);
+return x_18;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_18, 1);
+lean_inc(x_23);
+lean_dec(x_18);
 x_24 = lean_box(0);
-lean_ctor_set(x_17, 0, x_24);
-return x_17;
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+return x_25;
+}
 }
 else
 {
-lean_object* x_25; uint8_t x_26; 
-lean_free_object(x_17);
-x_25 = lean_ctor_get(x_23, 0);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = l_Lean_Expr_isIte(x_25);
-if (x_26 == 0)
+lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_26 = lean_ctor_get(x_18, 1);
+lean_inc(x_26);
+lean_dec(x_18);
+x_27 = lean_ctor_get(x_19, 0);
+lean_inc(x_27);
+lean_dec(x_19);
+x_28 = l_Lean_Expr_isIte(x_27);
+if (x_28 == 0)
 {
-uint8_t x_27; 
-x_27 = l_Lean_Expr_isDIte(x_25);
-if (x_27 == 0)
+uint8_t x_29; 
+x_29 = l_Lean_Expr_isDIte(x_27);
+if (x_29 == 0)
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_28 = lean_box(0);
-lean_inc(x_1);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_28);
-lean_ctor_set(x_8, 0, x_1);
-x_29 = lean_array_mk(x_8);
-lean_inc(x_25);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_30 = lean_box(0);
 lean_inc(x_2);
-x_30 = lean_alloc_closure((void*)(l_Lean_Meta_splitLocalDecl_x3f___lambda__1), 9, 4);
-lean_closure_set(x_30, 0, x_2);
-lean_closure_set(x_30, 1, x_29);
-lean_closure_set(x_30, 2, x_25);
-lean_closure_set(x_30, 3, x_28);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_30);
+lean_ctor_set(x_12, 0, x_2);
+x_31 = lean_array_mk(x_12);
+lean_inc(x_27);
+lean_inc(x_3);
+x_32 = lean_alloc_closure((void*)(l_Lean_Meta_splitLocalDecl_x3f___lambda__1), 9, 4);
+lean_closure_set(x_32, 0, x_3);
+lean_closure_set(x_32, 1, x_31);
+lean_closure_set(x_32, 2, x_27);
+lean_closure_set(x_32, 3, x_30);
+lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_3);
-x_31 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_30, x_3, x_4, x_5, x_6, x_20);
-if (lean_obj_tag(x_31) == 0)
+x_33 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_32, x_4, x_5, x_6, x_7, x_26);
+if (lean_obj_tag(x_33) == 0)
 {
-lean_object* x_32; 
-x_32 = lean_ctor_get(x_31, 0);
-lean_inc(x_32);
-if (lean_obj_tag(x_32) == 0)
+lean_object* x_34; 
+x_34 = lean_ctor_get(x_33, 0);
+lean_inc(x_34);
+if (lean_obj_tag(x_34) == 0)
 {
-lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_33 = lean_ctor_get(x_31, 1);
-lean_inc(x_33);
-lean_dec(x_31);
-x_34 = lean_box(0);
-x_35 = l_Lean_Meta_splitLocalDecl_x3f___lambda__3(x_1, x_2, x_25, x_28, x_34, x_3, x_4, x_5, x_6, x_33);
-return x_35;
+lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_35 = lean_ctor_get(x_33, 1);
+lean_inc(x_35);
+lean_dec(x_33);
+x_36 = lean_box(0);
+x_37 = l_Lean_Meta_splitLocalDecl_x3f___lambda__3(x_2, x_3, x_27, x_30, x_36, x_4, x_5, x_6, x_7, x_35);
+return x_37;
 }
 else
 {
-uint8_t x_36; 
-lean_dec(x_25);
+uint8_t x_38; 
+lean_dec(x_27);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
-x_36 = !lean_is_exclusive(x_31);
-if (x_36 == 0)
+x_38 = !lean_is_exclusive(x_33);
+if (x_38 == 0)
 {
-lean_object* x_37; 
-x_37 = lean_ctor_get(x_31, 0);
-lean_dec(x_37);
-return x_31;
+lean_object* x_39; 
+x_39 = lean_ctor_get(x_33, 0);
+lean_dec(x_39);
+return x_33;
 }
 else
 {
-lean_object* x_38; lean_object* x_39; 
-x_38 = lean_ctor_get(x_31, 1);
-lean_inc(x_38);
-lean_dec(x_31);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_32);
-lean_ctor_set(x_39, 1, x_38);
-return x_39;
+lean_object* x_40; lean_object* x_41; 
+x_40 = lean_ctor_get(x_33, 1);
+lean_inc(x_40);
+lean_dec(x_33);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_34);
+lean_ctor_set(x_41, 1, x_40);
+return x_41;
 }
 }
 }
 else
 {
-uint8_t x_40; 
-lean_dec(x_25);
+uint8_t x_42; 
+lean_dec(x_27);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
-x_40 = !lean_is_exclusive(x_31);
-if (x_40 == 0)
+x_42 = !lean_is_exclusive(x_33);
+if (x_42 == 0)
 {
-return x_31;
+return x_33;
 }
 else
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_31, 0);
-x_42 = lean_ctor_get(x_31, 1);
-lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_31);
-x_43 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_43, 0, x_41);
-lean_ctor_set(x_43, 1, x_42);
-return x_43;
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_33, 0);
+x_44 = lean_ctor_get(x_33, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_33);
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
 }
 }
 }
 else
 {
-lean_object* x_44; lean_object* x_45; 
-lean_dec(x_25);
-x_44 = lean_box(0);
-x_45 = l_Lean_Meta_splitIfLocalDecl_x3f(x_2, x_1, x_44, x_3, x_4, x_5, x_6, x_20);
-if (lean_obj_tag(x_45) == 0)
-{
-lean_object* x_46; 
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-if (lean_obj_tag(x_46) == 0)
-{
-uint8_t x_47; 
-lean_free_object(x_8);
-x_47 = !lean_is_exclusive(x_45);
-if (x_47 == 0)
+lean_object* x_46; lean_object* x_47; 
+lean_dec(x_27);
+x_46 = lean_box(0);
+x_47 = l_Lean_Meta_splitIfLocalDecl_x3f(x_3, x_2, x_46, x_4, x_5, x_6, x_7, x_26);
+if (lean_obj_tag(x_47) == 0)
 {
 lean_object* x_48; 
-x_48 = lean_ctor_get(x_45, 0);
-lean_dec(x_48);
-lean_ctor_set(x_45, 0, x_44);
-return x_45;
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+if (lean_obj_tag(x_48) == 0)
+{
+uint8_t x_49; 
+lean_free_object(x_12);
+x_49 = !lean_is_exclusive(x_47);
+if (x_49 == 0)
+{
+lean_object* x_50; 
+x_50 = lean_ctor_get(x_47, 0);
+lean_dec(x_50);
+lean_ctor_set(x_47, 0, x_46);
+return x_47;
 }
 else
 {
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_45, 1);
-lean_inc(x_49);
-lean_dec(x_45);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_44);
-lean_ctor_set(x_50, 1, x_49);
-return x_50;
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_ctor_get(x_47, 1);
+lean_inc(x_51);
+lean_dec(x_47);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_46);
+lean_ctor_set(x_52, 1, x_51);
+return x_52;
 }
 }
 else
 {
-uint8_t x_51; 
-x_51 = !lean_is_exclusive(x_46);
-if (x_51 == 0)
+uint8_t x_53; 
+x_53 = !lean_is_exclusive(x_48);
+if (x_53 == 0)
 {
-uint8_t x_52; 
-x_52 = !lean_is_exclusive(x_45);
-if (x_52 == 0)
+uint8_t x_54; 
+x_54 = !lean_is_exclusive(x_47);
+if (x_54 == 0)
 {
-lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-x_53 = lean_ctor_get(x_46, 0);
-x_54 = lean_ctor_get(x_45, 0);
-lean_dec(x_54);
-x_55 = !lean_is_exclusive(x_53);
-if (x_55 == 0)
+lean_object* x_55; lean_object* x_56; uint8_t x_57; 
+x_55 = lean_ctor_get(x_48, 0);
+x_56 = lean_ctor_get(x_47, 0);
+lean_dec(x_56);
+x_57 = !lean_is_exclusive(x_55);
+if (x_57 == 0)
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_53, 0);
-x_57 = lean_ctor_get(x_53, 1);
-x_58 = lean_box(0);
-lean_ctor_set_tag(x_53, 1);
-lean_ctor_set(x_53, 1, x_58);
-lean_ctor_set(x_53, 0, x_57);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_53);
-lean_ctor_set(x_8, 0, x_56);
-lean_ctor_set(x_46, 0, x_8);
-return x_45;
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_55, 0);
+x_59 = lean_ctor_get(x_55, 1);
+x_60 = lean_box(0);
+lean_ctor_set_tag(x_55, 1);
+lean_ctor_set(x_55, 1, x_60);
+lean_ctor_set(x_55, 0, x_59);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_55);
+lean_ctor_set(x_12, 0, x_58);
+lean_ctor_set(x_48, 0, x_12);
+return x_47;
 }
 else
 {
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_53, 0);
-x_60 = lean_ctor_get(x_53, 1);
-lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_53);
-x_61 = lean_box(0);
-x_62 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_62, 0, x_60);
-lean_ctor_set(x_62, 1, x_61);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_62);
-lean_ctor_set(x_8, 0, x_59);
-lean_ctor_set(x_46, 0, x_8);
-return x_45;
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_61 = lean_ctor_get(x_55, 0);
+x_62 = lean_ctor_get(x_55, 1);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_dec(x_55);
+x_63 = lean_box(0);
+x_64 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_64);
+lean_ctor_set(x_12, 0, x_61);
+lean_ctor_set(x_48, 0, x_12);
+return x_47;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_63 = lean_ctor_get(x_46, 0);
-x_64 = lean_ctor_get(x_45, 1);
-lean_inc(x_64);
-lean_dec(x_45);
-x_65 = lean_ctor_get(x_63, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_63, 1);
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_65 = lean_ctor_get(x_48, 0);
+x_66 = lean_ctor_get(x_47, 1);
 lean_inc(x_66);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- x_67 = x_63;
+lean_dec(x_47);
+x_67 = lean_ctor_get(x_65, 0);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_65, 1);
+lean_inc(x_68);
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ x_69 = x_65;
 } else {
- lean_dec_ref(x_63);
- x_67 = lean_box(0);
+ lean_dec_ref(x_65);
+ x_69 = lean_box(0);
 }
-x_68 = lean_box(0);
-if (lean_is_scalar(x_67)) {
- x_69 = lean_alloc_ctor(1, 2, 0);
+x_70 = lean_box(0);
+if (lean_is_scalar(x_69)) {
+ x_71 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_69 = x_67;
- lean_ctor_set_tag(x_69, 1);
+ x_71 = x_69;
+ lean_ctor_set_tag(x_71, 1);
 }
-lean_ctor_set(x_69, 0, x_66);
-lean_ctor_set(x_69, 1, x_68);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_69);
-lean_ctor_set(x_8, 0, x_65);
-lean_ctor_set(x_46, 0, x_8);
-x_70 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_70, 0, x_46);
-lean_ctor_set(x_70, 1, x_64);
-return x_70;
+lean_ctor_set(x_71, 0, x_68);
+lean_ctor_set(x_71, 1, x_70);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_71);
+lean_ctor_set(x_12, 0, x_67);
+lean_ctor_set(x_48, 0, x_12);
+x_72 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_72, 0, x_48);
+lean_ctor_set(x_72, 1, x_66);
+return x_72;
 }
 }
 else
 {
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_71 = lean_ctor_get(x_46, 0);
-lean_inc(x_71);
-lean_dec(x_46);
-x_72 = lean_ctor_get(x_45, 1);
-lean_inc(x_72);
-if (lean_is_exclusive(x_45)) {
- lean_ctor_release(x_45, 0);
- lean_ctor_release(x_45, 1);
- x_73 = x_45;
-} else {
- lean_dec_ref(x_45);
- x_73 = lean_box(0);
-}
-x_74 = lean_ctor_get(x_71, 0);
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_73 = lean_ctor_get(x_48, 0);
+lean_inc(x_73);
+lean_dec(x_48);
+x_74 = lean_ctor_get(x_47, 1);
 lean_inc(x_74);
-x_75 = lean_ctor_get(x_71, 1);
-lean_inc(x_75);
-if (lean_is_exclusive(x_71)) {
- lean_ctor_release(x_71, 0);
- lean_ctor_release(x_71, 1);
- x_76 = x_71;
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_75 = x_47;
 } else {
- lean_dec_ref(x_71);
- x_76 = lean_box(0);
+ lean_dec_ref(x_47);
+ x_75 = lean_box(0);
 }
-x_77 = lean_box(0);
-if (lean_is_scalar(x_76)) {
- x_78 = lean_alloc_ctor(1, 2, 0);
+x_76 = lean_ctor_get(x_73, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_73, 1);
+lean_inc(x_77);
+if (lean_is_exclusive(x_73)) {
+ lean_ctor_release(x_73, 0);
+ lean_ctor_release(x_73, 1);
+ x_78 = x_73;
 } else {
- x_78 = x_76;
- lean_ctor_set_tag(x_78, 1);
+ lean_dec_ref(x_73);
+ x_78 = lean_box(0);
 }
-lean_ctor_set(x_78, 0, x_75);
-lean_ctor_set(x_78, 1, x_77);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_78);
-lean_ctor_set(x_8, 0, x_74);
-x_79 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_79, 0, x_8);
-if (lean_is_scalar(x_73)) {
- x_80 = lean_alloc_ctor(0, 2, 0);
+x_79 = lean_box(0);
+if (lean_is_scalar(x_78)) {
+ x_80 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_80 = x_73;
+ x_80 = x_78;
+ lean_ctor_set_tag(x_80, 1);
 }
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_72);
-return x_80;
+lean_ctor_set(x_80, 0, x_77);
+lean_ctor_set(x_80, 1, x_79);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_80);
+lean_ctor_set(x_12, 0, x_76);
+x_81 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_81, 0, x_12);
+if (lean_is_scalar(x_75)) {
+ x_82 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_82 = x_75;
+}
+lean_ctor_set(x_82, 0, x_81);
+lean_ctor_set(x_82, 1, x_74);
+return x_82;
 }
 }
 }
 else
 {
-uint8_t x_81; 
-lean_free_object(x_8);
-x_81 = !lean_is_exclusive(x_45);
-if (x_81 == 0)
+uint8_t x_83; 
+lean_free_object(x_12);
+x_83 = !lean_is_exclusive(x_47);
+if (x_83 == 0)
 {
-return x_45;
+return x_47;
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_82 = lean_ctor_get(x_45, 0);
-x_83 = lean_ctor_get(x_45, 1);
-lean_inc(x_83);
-lean_inc(x_82);
-lean_dec(x_45);
-x_84 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_84, 0, x_82);
-lean_ctor_set(x_84, 1, x_83);
-return x_84;
+lean_object* x_84; lean_object* x_85; lean_object* x_86; 
+x_84 = lean_ctor_get(x_47, 0);
+x_85 = lean_ctor_get(x_47, 1);
+lean_inc(x_85);
+lean_inc(x_84);
+lean_dec(x_47);
+x_86 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_86, 0, x_84);
+lean_ctor_set(x_86, 1, x_85);
+return x_86;
 }
 }
 }
 }
 else
 {
-lean_object* x_85; lean_object* x_86; 
-lean_dec(x_25);
-x_85 = lean_box(0);
-x_86 = l_Lean_Meta_splitIfLocalDecl_x3f(x_2, x_1, x_85, x_3, x_4, x_5, x_6, x_20);
-if (lean_obj_tag(x_86) == 0)
-{
-lean_object* x_87; 
-x_87 = lean_ctor_get(x_86, 0);
-lean_inc(x_87);
-if (lean_obj_tag(x_87) == 0)
-{
-uint8_t x_88; 
-lean_free_object(x_8);
-x_88 = !lean_is_exclusive(x_86);
-if (x_88 == 0)
+lean_object* x_87; lean_object* x_88; 
+lean_dec(x_27);
+x_87 = lean_box(0);
+x_88 = l_Lean_Meta_splitIfLocalDecl_x3f(x_3, x_2, x_87, x_4, x_5, x_6, x_7, x_26);
+if (lean_obj_tag(x_88) == 0)
 {
 lean_object* x_89; 
-x_89 = lean_ctor_get(x_86, 0);
-lean_dec(x_89);
-lean_ctor_set(x_86, 0, x_85);
-return x_86;
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+if (lean_obj_tag(x_89) == 0)
+{
+uint8_t x_90; 
+lean_free_object(x_12);
+x_90 = !lean_is_exclusive(x_88);
+if (x_90 == 0)
+{
+lean_object* x_91; 
+x_91 = lean_ctor_get(x_88, 0);
+lean_dec(x_91);
+lean_ctor_set(x_88, 0, x_87);
+return x_88;
 }
 else
 {
-lean_object* x_90; lean_object* x_91; 
-x_90 = lean_ctor_get(x_86, 1);
-lean_inc(x_90);
-lean_dec(x_86);
-x_91 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_91, 0, x_85);
-lean_ctor_set(x_91, 1, x_90);
-return x_91;
+lean_object* x_92; lean_object* x_93; 
+x_92 = lean_ctor_get(x_88, 1);
+lean_inc(x_92);
+lean_dec(x_88);
+x_93 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_93, 0, x_87);
+lean_ctor_set(x_93, 1, x_92);
+return x_93;
 }
 }
 else
 {
-uint8_t x_92; 
-x_92 = !lean_is_exclusive(x_87);
-if (x_92 == 0)
+uint8_t x_94; 
+x_94 = !lean_is_exclusive(x_89);
+if (x_94 == 0)
 {
-uint8_t x_93; 
-x_93 = !lean_is_exclusive(x_86);
-if (x_93 == 0)
+uint8_t x_95; 
+x_95 = !lean_is_exclusive(x_88);
+if (x_95 == 0)
 {
-lean_object* x_94; lean_object* x_95; uint8_t x_96; 
-x_94 = lean_ctor_get(x_87, 0);
-x_95 = lean_ctor_get(x_86, 0);
-lean_dec(x_95);
-x_96 = !lean_is_exclusive(x_94);
-if (x_96 == 0)
+lean_object* x_96; lean_object* x_97; uint8_t x_98; 
+x_96 = lean_ctor_get(x_89, 0);
+x_97 = lean_ctor_get(x_88, 0);
+lean_dec(x_97);
+x_98 = !lean_is_exclusive(x_96);
+if (x_98 == 0)
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-x_97 = lean_ctor_get(x_94, 0);
-x_98 = lean_ctor_get(x_94, 1);
-x_99 = lean_box(0);
-lean_ctor_set_tag(x_94, 1);
-lean_ctor_set(x_94, 1, x_99);
-lean_ctor_set(x_94, 0, x_98);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_94);
-lean_ctor_set(x_8, 0, x_97);
-lean_ctor_set(x_87, 0, x_8);
-return x_86;
+lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_99 = lean_ctor_get(x_96, 0);
+x_100 = lean_ctor_get(x_96, 1);
+x_101 = lean_box(0);
+lean_ctor_set_tag(x_96, 1);
+lean_ctor_set(x_96, 1, x_101);
+lean_ctor_set(x_96, 0, x_100);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_96);
+lean_ctor_set(x_12, 0, x_99);
+lean_ctor_set(x_89, 0, x_12);
+return x_88;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_100 = lean_ctor_get(x_94, 0);
-x_101 = lean_ctor_get(x_94, 1);
-lean_inc(x_101);
-lean_inc(x_100);
-lean_dec(x_94);
-x_102 = lean_box(0);
-x_103 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_103, 0, x_101);
-lean_ctor_set(x_103, 1, x_102);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_103);
-lean_ctor_set(x_8, 0, x_100);
-lean_ctor_set(x_87, 0, x_8);
-return x_86;
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_102 = lean_ctor_get(x_96, 0);
+x_103 = lean_ctor_get(x_96, 1);
+lean_inc(x_103);
+lean_inc(x_102);
+lean_dec(x_96);
+x_104 = lean_box(0);
+x_105 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_105, 0, x_103);
+lean_ctor_set(x_105, 1, x_104);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_105);
+lean_ctor_set(x_12, 0, x_102);
+lean_ctor_set(x_89, 0, x_12);
+return x_88;
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
-x_104 = lean_ctor_get(x_87, 0);
-x_105 = lean_ctor_get(x_86, 1);
-lean_inc(x_105);
-lean_dec(x_86);
-x_106 = lean_ctor_get(x_104, 0);
-lean_inc(x_106);
-x_107 = lean_ctor_get(x_104, 1);
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+x_106 = lean_ctor_get(x_89, 0);
+x_107 = lean_ctor_get(x_88, 1);
 lean_inc(x_107);
-if (lean_is_exclusive(x_104)) {
- lean_ctor_release(x_104, 0);
- lean_ctor_release(x_104, 1);
- x_108 = x_104;
+lean_dec(x_88);
+x_108 = lean_ctor_get(x_106, 0);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_106, 1);
+lean_inc(x_109);
+if (lean_is_exclusive(x_106)) {
+ lean_ctor_release(x_106, 0);
+ lean_ctor_release(x_106, 1);
+ x_110 = x_106;
 } else {
- lean_dec_ref(x_104);
- x_108 = lean_box(0);
+ lean_dec_ref(x_106);
+ x_110 = lean_box(0);
 }
-x_109 = lean_box(0);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(1, 2, 0);
+x_111 = lean_box(0);
+if (lean_is_scalar(x_110)) {
+ x_112 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_110 = x_108;
- lean_ctor_set_tag(x_110, 1);
+ x_112 = x_110;
+ lean_ctor_set_tag(x_112, 1);
 }
-lean_ctor_set(x_110, 0, x_107);
-lean_ctor_set(x_110, 1, x_109);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_110);
-lean_ctor_set(x_8, 0, x_106);
-lean_ctor_set(x_87, 0, x_8);
-x_111 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_111, 0, x_87);
-lean_ctor_set(x_111, 1, x_105);
-return x_111;
+lean_ctor_set(x_112, 0, x_109);
+lean_ctor_set(x_112, 1, x_111);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_112);
+lean_ctor_set(x_12, 0, x_108);
+lean_ctor_set(x_89, 0, x_12);
+x_113 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_113, 0, x_89);
+lean_ctor_set(x_113, 1, x_107);
+return x_113;
 }
 }
 else
 {
-lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_112 = lean_ctor_get(x_87, 0);
-lean_inc(x_112);
-lean_dec(x_87);
-x_113 = lean_ctor_get(x_86, 1);
-lean_inc(x_113);
-if (lean_is_exclusive(x_86)) {
- lean_ctor_release(x_86, 0);
- lean_ctor_release(x_86, 1);
- x_114 = x_86;
-} else {
- lean_dec_ref(x_86);
- x_114 = lean_box(0);
-}
-x_115 = lean_ctor_get(x_112, 0);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_114 = lean_ctor_get(x_89, 0);
+lean_inc(x_114);
+lean_dec(x_89);
+x_115 = lean_ctor_get(x_88, 1);
 lean_inc(x_115);
-x_116 = lean_ctor_get(x_112, 1);
-lean_inc(x_116);
-if (lean_is_exclusive(x_112)) {
- lean_ctor_release(x_112, 0);
- lean_ctor_release(x_112, 1);
- x_117 = x_112;
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ x_116 = x_88;
 } else {
- lean_dec_ref(x_112);
- x_117 = lean_box(0);
+ lean_dec_ref(x_88);
+ x_116 = lean_box(0);
 }
-x_118 = lean_box(0);
-if (lean_is_scalar(x_117)) {
- x_119 = lean_alloc_ctor(1, 2, 0);
+x_117 = lean_ctor_get(x_114, 0);
+lean_inc(x_117);
+x_118 = lean_ctor_get(x_114, 1);
+lean_inc(x_118);
+if (lean_is_exclusive(x_114)) {
+ lean_ctor_release(x_114, 0);
+ lean_ctor_release(x_114, 1);
+ x_119 = x_114;
 } else {
- x_119 = x_117;
- lean_ctor_set_tag(x_119, 1);
+ lean_dec_ref(x_114);
+ x_119 = lean_box(0);
 }
-lean_ctor_set(x_119, 0, x_116);
-lean_ctor_set(x_119, 1, x_118);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_119);
-lean_ctor_set(x_8, 0, x_115);
-x_120 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_120, 0, x_8);
-if (lean_is_scalar(x_114)) {
- x_121 = lean_alloc_ctor(0, 2, 0);
+x_120 = lean_box(0);
+if (lean_is_scalar(x_119)) {
+ x_121 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_121 = x_114;
+ x_121 = x_119;
+ lean_ctor_set_tag(x_121, 1);
 }
-lean_ctor_set(x_121, 0, x_120);
-lean_ctor_set(x_121, 1, x_113);
-return x_121;
+lean_ctor_set(x_121, 0, x_118);
+lean_ctor_set(x_121, 1, x_120);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 1, x_121);
+lean_ctor_set(x_12, 0, x_117);
+x_122 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_122, 0, x_12);
+if (lean_is_scalar(x_116)) {
+ x_123 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_123 = x_116;
+}
+lean_ctor_set(x_123, 0, x_122);
+lean_ctor_set(x_123, 1, x_115);
+return x_123;
 }
 }
 }
 else
 {
-uint8_t x_122; 
-lean_free_object(x_8);
-x_122 = !lean_is_exclusive(x_86);
-if (x_122 == 0)
+uint8_t x_124; 
+lean_free_object(x_12);
+x_124 = !lean_is_exclusive(x_88);
+if (x_124 == 0)
 {
-return x_86;
+return x_88;
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; 
-x_123 = lean_ctor_get(x_86, 0);
-x_124 = lean_ctor_get(x_86, 1);
-lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_86);
-x_125 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_125, 0, x_123);
-lean_ctor_set(x_125, 1, x_124);
-return x_125;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; 
-x_126 = lean_ctor_get(x_17, 0);
-x_127 = lean_ctor_get(x_17, 1);
-lean_inc(x_127);
+lean_object* x_125; lean_object* x_126; lean_object* x_127; 
+x_125 = lean_ctor_get(x_88, 0);
+x_126 = lean_ctor_get(x_88, 1);
 lean_inc(x_126);
-lean_dec(x_17);
-x_128 = 1;
-x_129 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__3;
-x_130 = l_Lean_Meta_Split_findSplit_x3f_go(x_12, x_128, x_129, x_126);
-lean_dec(x_126);
-if (lean_obj_tag(x_130) == 0)
+lean_inc(x_125);
+lean_dec(x_88);
+x_127 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_127, 0, x_125);
+lean_ctor_set(x_127, 1, x_126);
+return x_127;
+}
+}
+}
+}
+}
+else
 {
-lean_object* x_131; lean_object* x_132; 
-lean_free_object(x_8);
+uint8_t x_128; 
+lean_free_object(x_12);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
-x_131 = lean_box(0);
-x_132 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_132, 0, x_131);
-lean_ctor_set(x_132, 1, x_127);
-return x_132;
+x_128 = !lean_is_exclusive(x_18);
+if (x_128 == 0)
+{
+return x_18;
 }
 else
 {
-lean_object* x_133; uint8_t x_134; 
-x_133 = lean_ctor_get(x_130, 0);
-lean_inc(x_133);
-lean_dec(x_130);
-x_134 = l_Lean_Expr_isIte(x_133);
-if (x_134 == 0)
+lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_129 = lean_ctor_get(x_18, 0);
+x_130 = lean_ctor_get(x_18, 1);
+lean_inc(x_130);
+lean_inc(x_129);
+lean_dec(x_18);
+x_131 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_131, 0, x_129);
+lean_ctor_set(x_131, 1, x_130);
+return x_131;
+}
+}
+}
+else
 {
-uint8_t x_135; 
-x_135 = l_Lean_Expr_isDIte(x_133);
-if (x_135 == 0)
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_136 = lean_box(0);
-lean_inc(x_1);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_136);
-lean_ctor_set(x_8, 0, x_1);
-x_137 = lean_array_mk(x_8);
+lean_object* x_132; lean_object* x_133; uint8_t x_134; lean_object* x_135; lean_object* x_136; 
+x_132 = lean_ctor_get(x_12, 0);
+x_133 = lean_ctor_get(x_12, 1);
 lean_inc(x_133);
-lean_inc(x_2);
-x_138 = lean_alloc_closure((void*)(l_Lean_Meta_splitLocalDecl_x3f___lambda__1), 9, 4);
-lean_closure_set(x_138, 0, x_2);
-lean_closure_set(x_138, 1, x_137);
-lean_closure_set(x_138, 2, x_133);
-lean_closure_set(x_138, 3, x_136);
+lean_inc(x_132);
+lean_dec(x_12);
+x_134 = 2;
+x_135 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__3;
+lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
+x_136 = l_Lean_Meta_findSplit_x3f(x_132, x_134, x_135, x_4, x_5, x_6, x_7, x_133);
+if (lean_obj_tag(x_136) == 0)
+{
+lean_object* x_137; 
+x_137 = lean_ctor_get(x_136, 0);
+lean_inc(x_137);
+if (lean_obj_tag(x_137) == 0)
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_138 = lean_ctor_get(x_136, 1);
+lean_inc(x_138);
+if (lean_is_exclusive(x_136)) {
+ lean_ctor_release(x_136, 0);
+ lean_ctor_release(x_136, 1);
+ x_139 = x_136;
+} else {
+ lean_dec_ref(x_136);
+ x_139 = lean_box(0);
+}
+x_140 = lean_box(0);
+if (lean_is_scalar(x_139)) {
+ x_141 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_141 = x_139;
+}
+lean_ctor_set(x_141, 0, x_140);
+lean_ctor_set(x_141, 1, x_138);
+return x_141;
+}
+else
+{
+lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_142 = lean_ctor_get(x_136, 1);
+lean_inc(x_142);
+lean_dec(x_136);
+x_143 = lean_ctor_get(x_137, 0);
+lean_inc(x_143);
+lean_dec(x_137);
+x_144 = l_Lean_Expr_isIte(x_143);
+if (x_144 == 0)
+{
+uint8_t x_145; 
+x_145 = l_Lean_Expr_isDIte(x_143);
+if (x_145 == 0)
+{
+lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
+x_146 = lean_box(0);
+lean_inc(x_2);
+x_147 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_147, 0, x_2);
+lean_ctor_set(x_147, 1, x_146);
+x_148 = lean_array_mk(x_147);
+lean_inc(x_143);
 lean_inc(x_3);
-x_139 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_138, x_3, x_4, x_5, x_6, x_127);
-if (lean_obj_tag(x_139) == 0)
+x_149 = lean_alloc_closure((void*)(l_Lean_Meta_splitLocalDecl_x3f___lambda__1), 9, 4);
+lean_closure_set(x_149, 0, x_3);
+lean_closure_set(x_149, 1, x_148);
+lean_closure_set(x_149, 2, x_143);
+lean_closure_set(x_149, 3, x_146);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_150 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_149, x_4, x_5, x_6, x_7, x_142);
+if (lean_obj_tag(x_150) == 0)
 {
-lean_object* x_140; 
-x_140 = lean_ctor_get(x_139, 0);
-lean_inc(x_140);
-if (lean_obj_tag(x_140) == 0)
+lean_object* x_151; 
+x_151 = lean_ctor_get(x_150, 0);
+lean_inc(x_151);
+if (lean_obj_tag(x_151) == 0)
 {
-lean_object* x_141; lean_object* x_142; lean_object* x_143; 
-x_141 = lean_ctor_get(x_139, 1);
-lean_inc(x_141);
-lean_dec(x_139);
-x_142 = lean_box(0);
-x_143 = l_Lean_Meta_splitLocalDecl_x3f___lambda__3(x_1, x_2, x_133, x_136, x_142, x_3, x_4, x_5, x_6, x_141);
-return x_143;
+lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_152 = lean_ctor_get(x_150, 1);
+lean_inc(x_152);
+lean_dec(x_150);
+x_153 = lean_box(0);
+x_154 = l_Lean_Meta_splitLocalDecl_x3f___lambda__3(x_2, x_3, x_143, x_146, x_153, x_4, x_5, x_6, x_7, x_152);
+return x_154;
 }
 else
 {
-lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-lean_dec(x_133);
+lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+lean_dec(x_143);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
-x_144 = lean_ctor_get(x_139, 1);
-lean_inc(x_144);
-if (lean_is_exclusive(x_139)) {
- lean_ctor_release(x_139, 0);
- lean_ctor_release(x_139, 1);
- x_145 = x_139;
+x_155 = lean_ctor_get(x_150, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_150)) {
+ lean_ctor_release(x_150, 0);
+ lean_ctor_release(x_150, 1);
+ x_156 = x_150;
 } else {
- lean_dec_ref(x_139);
- x_145 = lean_box(0);
+ lean_dec_ref(x_150);
+ x_156 = lean_box(0);
 }
-if (lean_is_scalar(x_145)) {
- x_146 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_146 = x_145;
+ x_157 = x_156;
 }
-lean_ctor_set(x_146, 0, x_140);
-lean_ctor_set(x_146, 1, x_144);
-return x_146;
+lean_ctor_set(x_157, 0, x_151);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 }
 else
 {
-lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-lean_dec(x_133);
+lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+lean_dec(x_143);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
-x_147 = lean_ctor_get(x_139, 0);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_139, 1);
-lean_inc(x_148);
-if (lean_is_exclusive(x_139)) {
- lean_ctor_release(x_139, 0);
- lean_ctor_release(x_139, 1);
- x_149 = x_139;
-} else {
- lean_dec_ref(x_139);
- x_149 = lean_box(0);
-}
-if (lean_is_scalar(x_149)) {
- x_150 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_150 = x_149;
-}
-lean_ctor_set(x_150, 0, x_147);
-lean_ctor_set(x_150, 1, x_148);
-return x_150;
-}
-}
-else
-{
-lean_object* x_151; lean_object* x_152; 
-lean_dec(x_133);
-x_151 = lean_box(0);
-x_152 = l_Lean_Meta_splitIfLocalDecl_x3f(x_2, x_1, x_151, x_3, x_4, x_5, x_6, x_127);
-if (lean_obj_tag(x_152) == 0)
-{
-lean_object* x_153; 
-x_153 = lean_ctor_get(x_152, 0);
-lean_inc(x_153);
-if (lean_obj_tag(x_153) == 0)
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; 
-lean_free_object(x_8);
-x_154 = lean_ctor_get(x_152, 1);
-lean_inc(x_154);
-if (lean_is_exclusive(x_152)) {
- lean_ctor_release(x_152, 0);
- lean_ctor_release(x_152, 1);
- x_155 = x_152;
-} else {
- lean_dec_ref(x_152);
- x_155 = lean_box(0);
-}
-if (lean_is_scalar(x_155)) {
- x_156 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_156 = x_155;
-}
-lean_ctor_set(x_156, 0, x_151);
-lean_ctor_set(x_156, 1, x_154);
-return x_156;
-}
-else
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; 
-x_157 = lean_ctor_get(x_153, 0);
-lean_inc(x_157);
-if (lean_is_exclusive(x_153)) {
- lean_ctor_release(x_153, 0);
- x_158 = x_153;
-} else {
- lean_dec_ref(x_153);
- x_158 = lean_box(0);
-}
-x_159 = lean_ctor_get(x_152, 1);
+x_158 = lean_ctor_get(x_150, 0);
+lean_inc(x_158);
+x_159 = lean_ctor_get(x_150, 1);
 lean_inc(x_159);
-if (lean_is_exclusive(x_152)) {
- lean_ctor_release(x_152, 0);
- lean_ctor_release(x_152, 1);
- x_160 = x_152;
+if (lean_is_exclusive(x_150)) {
+ lean_ctor_release(x_150, 0);
+ lean_ctor_release(x_150, 1);
+ x_160 = x_150;
 } else {
- lean_dec_ref(x_152);
+ lean_dec_ref(x_150);
  x_160 = lean_box(0);
 }
-x_161 = lean_ctor_get(x_157, 0);
-lean_inc(x_161);
-x_162 = lean_ctor_get(x_157, 1);
-lean_inc(x_162);
-if (lean_is_exclusive(x_157)) {
- lean_ctor_release(x_157, 0);
- lean_ctor_release(x_157, 1);
- x_163 = x_157;
-} else {
- lean_dec_ref(x_157);
- x_163 = lean_box(0);
-}
-x_164 = lean_box(0);
-if (lean_is_scalar(x_163)) {
- x_165 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_165 = x_163;
- lean_ctor_set_tag(x_165, 1);
-}
-lean_ctor_set(x_165, 0, x_162);
-lean_ctor_set(x_165, 1, x_164);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_165);
-lean_ctor_set(x_8, 0, x_161);
-if (lean_is_scalar(x_158)) {
- x_166 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_166 = x_158;
-}
-lean_ctor_set(x_166, 0, x_8);
 if (lean_is_scalar(x_160)) {
+ x_161 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_161 = x_160;
+}
+lean_ctor_set(x_161, 0, x_158);
+lean_ctor_set(x_161, 1, x_159);
+return x_161;
+}
+}
+else
+{
+lean_object* x_162; lean_object* x_163; 
+lean_dec(x_143);
+x_162 = lean_box(0);
+x_163 = l_Lean_Meta_splitIfLocalDecl_x3f(x_3, x_2, x_162, x_4, x_5, x_6, x_7, x_142);
+if (lean_obj_tag(x_163) == 0)
+{
+lean_object* x_164; 
+x_164 = lean_ctor_get(x_163, 0);
+lean_inc(x_164);
+if (lean_obj_tag(x_164) == 0)
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; 
+x_165 = lean_ctor_get(x_163, 1);
+lean_inc(x_165);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_166 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_166 = lean_box(0);
+}
+if (lean_is_scalar(x_166)) {
  x_167 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_167 = x_160;
+ x_167 = x_166;
 }
-lean_ctor_set(x_167, 0, x_166);
-lean_ctor_set(x_167, 1, x_159);
+lean_ctor_set(x_167, 0, x_162);
+lean_ctor_set(x_167, 1, x_165);
 return x_167;
 }
-}
 else
 {
-lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-lean_free_object(x_8);
-x_168 = lean_ctor_get(x_152, 0);
+lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+x_168 = lean_ctor_get(x_164, 0);
 lean_inc(x_168);
-x_169 = lean_ctor_get(x_152, 1);
-lean_inc(x_169);
-if (lean_is_exclusive(x_152)) {
- lean_ctor_release(x_152, 0);
- lean_ctor_release(x_152, 1);
- x_170 = x_152;
+if (lean_is_exclusive(x_164)) {
+ lean_ctor_release(x_164, 0);
+ x_169 = x_164;
 } else {
- lean_dec_ref(x_152);
- x_170 = lean_box(0);
+ lean_dec_ref(x_164);
+ x_169 = lean_box(0);
 }
-if (lean_is_scalar(x_170)) {
- x_171 = lean_alloc_ctor(1, 2, 0);
+x_170 = lean_ctor_get(x_163, 1);
+lean_inc(x_170);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_171 = x_163;
 } else {
- x_171 = x_170;
+ lean_dec_ref(x_163);
+ x_171 = lean_box(0);
 }
-lean_ctor_set(x_171, 0, x_168);
-lean_ctor_set(x_171, 1, x_169);
-return x_171;
-}
-}
-}
-else
-{
-lean_object* x_172; lean_object* x_173; 
-lean_dec(x_133);
-x_172 = lean_box(0);
-x_173 = l_Lean_Meta_splitIfLocalDecl_x3f(x_2, x_1, x_172, x_3, x_4, x_5, x_6, x_127);
-if (lean_obj_tag(x_173) == 0)
-{
-lean_object* x_174; 
-x_174 = lean_ctor_get(x_173, 0);
-lean_inc(x_174);
-if (lean_obj_tag(x_174) == 0)
-{
-lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-lean_free_object(x_8);
-x_175 = lean_ctor_get(x_173, 1);
-lean_inc(x_175);
-if (lean_is_exclusive(x_173)) {
- lean_ctor_release(x_173, 0);
- lean_ctor_release(x_173, 1);
- x_176 = x_173;
+x_172 = lean_ctor_get(x_168, 0);
+lean_inc(x_172);
+x_173 = lean_ctor_get(x_168, 1);
+lean_inc(x_173);
+if (lean_is_exclusive(x_168)) {
+ lean_ctor_release(x_168, 0);
+ lean_ctor_release(x_168, 1);
+ x_174 = x_168;
 } else {
- lean_dec_ref(x_173);
- x_176 = lean_box(0);
+ lean_dec_ref(x_168);
+ x_174 = lean_box(0);
 }
-if (lean_is_scalar(x_176)) {
- x_177 = lean_alloc_ctor(0, 2, 0);
+x_175 = lean_box(0);
+if (lean_is_scalar(x_174)) {
+ x_176 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_177 = x_176;
+ x_176 = x_174;
+ lean_ctor_set_tag(x_176, 1);
 }
+lean_ctor_set(x_176, 0, x_173);
+lean_ctor_set(x_176, 1, x_175);
+x_177 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_177, 0, x_172);
-lean_ctor_set(x_177, 1, x_175);
-return x_177;
+lean_ctor_set(x_177, 1, x_176);
+if (lean_is_scalar(x_169)) {
+ x_178 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_178 = x_169;
+}
+lean_ctor_set(x_178, 0, x_177);
+if (lean_is_scalar(x_171)) {
+ x_179 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_179 = x_171;
+}
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_170);
+return x_179;
+}
 }
 else
 {
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; 
-x_178 = lean_ctor_get(x_174, 0);
-lean_inc(x_178);
-if (lean_is_exclusive(x_174)) {
- lean_ctor_release(x_174, 0);
- x_179 = x_174;
-} else {
- lean_dec_ref(x_174);
- x_179 = lean_box(0);
-}
-x_180 = lean_ctor_get(x_173, 1);
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; 
+x_180 = lean_ctor_get(x_163, 0);
 lean_inc(x_180);
-if (lean_is_exclusive(x_173)) {
- lean_ctor_release(x_173, 0);
- lean_ctor_release(x_173, 1);
- x_181 = x_173;
+x_181 = lean_ctor_get(x_163, 1);
+lean_inc(x_181);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_182 = x_163;
 } else {
- lean_dec_ref(x_173);
- x_181 = lean_box(0);
+ lean_dec_ref(x_163);
+ x_182 = lean_box(0);
 }
-x_182 = lean_ctor_get(x_178, 0);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_178, 1);
-lean_inc(x_183);
-if (lean_is_exclusive(x_178)) {
- lean_ctor_release(x_178, 0);
- lean_ctor_release(x_178, 1);
- x_184 = x_178;
+if (lean_is_scalar(x_182)) {
+ x_183 = lean_alloc_ctor(1, 2, 0);
 } else {
- lean_dec_ref(x_178);
- x_184 = lean_box(0);
+ x_183 = x_182;
 }
-x_185 = lean_box(0);
-if (lean_is_scalar(x_184)) {
- x_186 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_186 = x_184;
- lean_ctor_set_tag(x_186, 1);
+lean_ctor_set(x_183, 0, x_180);
+lean_ctor_set(x_183, 1, x_181);
+return x_183;
 }
-lean_ctor_set(x_186, 0, x_183);
-lean_ctor_set(x_186, 1, x_185);
-lean_ctor_set_tag(x_8, 1);
-lean_ctor_set(x_8, 1, x_186);
-lean_ctor_set(x_8, 0, x_182);
-if (lean_is_scalar(x_179)) {
- x_187 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_187 = x_179;
-}
-lean_ctor_set(x_187, 0, x_8);
-if (lean_is_scalar(x_181)) {
- x_188 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_188 = x_181;
-}
-lean_ctor_set(x_188, 0, x_187);
-lean_ctor_set(x_188, 1, x_180);
-return x_188;
 }
 }
 else
 {
-lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
-lean_free_object(x_8);
-x_189 = lean_ctor_get(x_173, 0);
-lean_inc(x_189);
-x_190 = lean_ctor_get(x_173, 1);
-lean_inc(x_190);
-if (lean_is_exclusive(x_173)) {
- lean_ctor_release(x_173, 0);
- lean_ctor_release(x_173, 1);
- x_191 = x_173;
+lean_object* x_184; lean_object* x_185; 
+lean_dec(x_143);
+x_184 = lean_box(0);
+x_185 = l_Lean_Meta_splitIfLocalDecl_x3f(x_3, x_2, x_184, x_4, x_5, x_6, x_7, x_142);
+if (lean_obj_tag(x_185) == 0)
+{
+lean_object* x_186; 
+x_186 = lean_ctor_get(x_185, 0);
+lean_inc(x_186);
+if (lean_obj_tag(x_186) == 0)
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; 
+x_187 = lean_ctor_get(x_185, 1);
+lean_inc(x_187);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_188 = x_185;
 } else {
- lean_dec_ref(x_173);
+ lean_dec_ref(x_185);
+ x_188 = lean_box(0);
+}
+if (lean_is_scalar(x_188)) {
+ x_189 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_189 = x_188;
+}
+lean_ctor_set(x_189, 0, x_184);
+lean_ctor_set(x_189, 1, x_187);
+return x_189;
+}
+else
+{
+lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
+x_190 = lean_ctor_get(x_186, 0);
+lean_inc(x_190);
+if (lean_is_exclusive(x_186)) {
+ lean_ctor_release(x_186, 0);
+ x_191 = x_186;
+} else {
+ lean_dec_ref(x_186);
  x_191 = lean_box(0);
 }
-if (lean_is_scalar(x_191)) {
- x_192 = lean_alloc_ctor(1, 2, 0);
+x_192 = lean_ctor_get(x_185, 1);
+lean_inc(x_192);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_193 = x_185;
 } else {
- x_192 = x_191;
+ lean_dec_ref(x_185);
+ x_193 = lean_box(0);
 }
-lean_ctor_set(x_192, 0, x_189);
-lean_ctor_set(x_192, 1, x_190);
-return x_192;
-}
-}
-}
-}
-}
-else
-{
-uint8_t x_193; 
-lean_dec(x_12);
-lean_free_object(x_8);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_193 = !lean_is_exclusive(x_14);
-if (x_193 == 0)
-{
-return x_14;
-}
-else
-{
-lean_object* x_194; lean_object* x_195; lean_object* x_196; 
-x_194 = lean_ctor_get(x_14, 0);
-x_195 = lean_ctor_get(x_14, 1);
-lean_inc(x_195);
+x_194 = lean_ctor_get(x_190, 0);
 lean_inc(x_194);
-lean_dec(x_14);
-x_196 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_196, 0, x_194);
-lean_ctor_set(x_196, 1, x_195);
-return x_196;
+x_195 = lean_ctor_get(x_190, 1);
+lean_inc(x_195);
+if (lean_is_exclusive(x_190)) {
+ lean_ctor_release(x_190, 0);
+ lean_ctor_release(x_190, 1);
+ x_196 = x_190;
+} else {
+ lean_dec_ref(x_190);
+ x_196 = lean_box(0);
 }
+x_197 = lean_box(0);
+if (lean_is_scalar(x_196)) {
+ x_198 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_198 = x_196;
+ lean_ctor_set_tag(x_198, 1);
+}
+lean_ctor_set(x_198, 0, x_195);
+lean_ctor_set(x_198, 1, x_197);
+x_199 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_199, 0, x_194);
+lean_ctor_set(x_199, 1, x_198);
+if (lean_is_scalar(x_191)) {
+ x_200 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_200 = x_191;
+}
+lean_ctor_set(x_200, 0, x_199);
+if (lean_is_scalar(x_193)) {
+ x_201 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_201 = x_193;
+}
+lean_ctor_set(x_201, 0, x_200);
+lean_ctor_set(x_201, 1, x_192);
+return x_201;
 }
 }
 else
 {
-lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_197 = lean_ctor_get(x_8, 0);
-x_198 = lean_ctor_get(x_8, 1);
-lean_inc(x_198);
-lean_inc(x_197);
-lean_dec(x_8);
-x_199 = lean_ctor_get(x_197, 0);
-lean_inc(x_199);
-lean_dec(x_197);
-lean_inc(x_1);
-x_200 = l_Lean_Expr_fvar___override(x_1);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_201 = lean_infer_type(x_200, x_3, x_4, x_5, x_6, x_198);
-if (lean_obj_tag(x_201) == 0)
-{
-lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; uint8_t x_208; lean_object* x_209; lean_object* x_210; 
-x_202 = lean_ctor_get(x_201, 0);
+lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; 
+x_202 = lean_ctor_get(x_185, 0);
 lean_inc(x_202);
-x_203 = lean_ctor_get(x_201, 1);
+x_203 = lean_ctor_get(x_185, 1);
 lean_inc(x_203);
-lean_dec(x_201);
-x_204 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassApp_x3f___spec__1(x_202, x_3, x_4, x_5, x_6, x_203);
-x_205 = lean_ctor_get(x_204, 0);
-lean_inc(x_205);
-x_206 = lean_ctor_get(x_204, 1);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_204 = x_185;
+} else {
+ lean_dec_ref(x_185);
+ x_204 = lean_box(0);
+}
+if (lean_is_scalar(x_204)) {
+ x_205 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_205 = x_204;
+}
+lean_ctor_set(x_205, 0, x_202);
+lean_ctor_set(x_205, 1, x_203);
+return x_205;
+}
+}
+}
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_206 = lean_ctor_get(x_136, 0);
 lean_inc(x_206);
-if (lean_is_exclusive(x_204)) {
- lean_ctor_release(x_204, 0);
- lean_ctor_release(x_204, 1);
- x_207 = x_204;
+x_207 = lean_ctor_get(x_136, 1);
+lean_inc(x_207);
+if (lean_is_exclusive(x_136)) {
+ lean_ctor_release(x_136, 0);
+ lean_ctor_release(x_136, 1);
+ x_208 = x_136;
 } else {
- lean_dec_ref(x_204);
- x_207 = lean_box(0);
+ lean_dec_ref(x_136);
+ x_208 = lean_box(0);
 }
-x_208 = 1;
-x_209 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__3;
-x_210 = l_Lean_Meta_Split_findSplit_x3f_go(x_199, x_208, x_209, x_205);
-lean_dec(x_205);
-if (lean_obj_tag(x_210) == 0)
+if (lean_is_scalar(x_208)) {
+ x_209 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_209 = x_208;
+}
+lean_ctor_set(x_209, 0, x_206);
+lean_ctor_set(x_209, 1, x_207);
+return x_209;
+}
+}
+}
+else
 {
-lean_object* x_211; lean_object* x_212; 
+uint8_t x_210; 
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
-x_211 = lean_box(0);
-if (lean_is_scalar(x_207)) {
- x_212 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_212 = x_207;
-}
-lean_ctor_set(x_212, 0, x_211);
-lean_ctor_set(x_212, 1, x_206);
-return x_212;
+x_210 = !lean_is_exclusive(x_9);
+if (x_210 == 0)
+{
+return x_9;
 }
 else
 {
-lean_object* x_213; uint8_t x_214; 
-lean_dec(x_207);
-x_213 = lean_ctor_get(x_210, 0);
-lean_inc(x_213);
-lean_dec(x_210);
-x_214 = l_Lean_Expr_isIte(x_213);
-if (x_214 == 0)
-{
-uint8_t x_215; 
-x_215 = l_Lean_Expr_isDIte(x_213);
-if (x_215 == 0)
-{
-lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
-x_216 = lean_box(0);
-lean_inc(x_1);
-x_217 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_217, 0, x_1);
-lean_ctor_set(x_217, 1, x_216);
-x_218 = lean_array_mk(x_217);
-lean_inc(x_213);
-lean_inc(x_2);
-x_219 = lean_alloc_closure((void*)(l_Lean_Meta_splitLocalDecl_x3f___lambda__1), 9, 4);
-lean_closure_set(x_219, 0, x_2);
-lean_closure_set(x_219, 1, x_218);
-lean_closure_set(x_219, 2, x_213);
-lean_closure_set(x_219, 3, x_216);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_220 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_219, x_3, x_4, x_5, x_6, x_206);
-if (lean_obj_tag(x_220) == 0)
-{
-lean_object* x_221; 
-x_221 = lean_ctor_get(x_220, 0);
-lean_inc(x_221);
-if (lean_obj_tag(x_221) == 0)
-{
-lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_222 = lean_ctor_get(x_220, 1);
-lean_inc(x_222);
-lean_dec(x_220);
-x_223 = lean_box(0);
-x_224 = l_Lean_Meta_splitLocalDecl_x3f___lambda__3(x_1, x_2, x_213, x_216, x_223, x_3, x_4, x_5, x_6, x_222);
-return x_224;
-}
-else
-{
-lean_object* x_225; lean_object* x_226; lean_object* x_227; 
-lean_dec(x_213);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_225 = lean_ctor_get(x_220, 1);
-lean_inc(x_225);
-if (lean_is_exclusive(x_220)) {
- lean_ctor_release(x_220, 0);
- lean_ctor_release(x_220, 1);
- x_226 = x_220;
-} else {
- lean_dec_ref(x_220);
- x_226 = lean_box(0);
-}
-if (lean_is_scalar(x_226)) {
- x_227 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_227 = x_226;
-}
-lean_ctor_set(x_227, 0, x_221);
-lean_ctor_set(x_227, 1, x_225);
-return x_227;
-}
-}
-else
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; 
-lean_dec(x_213);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_228 = lean_ctor_get(x_220, 0);
-lean_inc(x_228);
-x_229 = lean_ctor_get(x_220, 1);
-lean_inc(x_229);
-if (lean_is_exclusive(x_220)) {
- lean_ctor_release(x_220, 0);
- lean_ctor_release(x_220, 1);
- x_230 = x_220;
-} else {
- lean_dec_ref(x_220);
- x_230 = lean_box(0);
-}
-if (lean_is_scalar(x_230)) {
- x_231 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_231 = x_230;
-}
-lean_ctor_set(x_231, 0, x_228);
-lean_ctor_set(x_231, 1, x_229);
-return x_231;
-}
-}
-else
-{
-lean_object* x_232; lean_object* x_233; 
-lean_dec(x_213);
-x_232 = lean_box(0);
-x_233 = l_Lean_Meta_splitIfLocalDecl_x3f(x_2, x_1, x_232, x_3, x_4, x_5, x_6, x_206);
-if (lean_obj_tag(x_233) == 0)
-{
-lean_object* x_234; 
-x_234 = lean_ctor_get(x_233, 0);
-lean_inc(x_234);
-if (lean_obj_tag(x_234) == 0)
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; 
-x_235 = lean_ctor_get(x_233, 1);
-lean_inc(x_235);
-if (lean_is_exclusive(x_233)) {
- lean_ctor_release(x_233, 0);
- lean_ctor_release(x_233, 1);
- x_236 = x_233;
-} else {
- lean_dec_ref(x_233);
- x_236 = lean_box(0);
-}
-if (lean_is_scalar(x_236)) {
- x_237 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_237 = x_236;
-}
-lean_ctor_set(x_237, 0, x_232);
-lean_ctor_set(x_237, 1, x_235);
-return x_237;
-}
-else
-{
-lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_238 = lean_ctor_get(x_234, 0);
-lean_inc(x_238);
-if (lean_is_exclusive(x_234)) {
- lean_ctor_release(x_234, 0);
- x_239 = x_234;
-} else {
- lean_dec_ref(x_234);
- x_239 = lean_box(0);
-}
-x_240 = lean_ctor_get(x_233, 1);
-lean_inc(x_240);
-if (lean_is_exclusive(x_233)) {
- lean_ctor_release(x_233, 0);
- lean_ctor_release(x_233, 1);
- x_241 = x_233;
-} else {
- lean_dec_ref(x_233);
- x_241 = lean_box(0);
-}
-x_242 = lean_ctor_get(x_238, 0);
-lean_inc(x_242);
-x_243 = lean_ctor_get(x_238, 1);
-lean_inc(x_243);
-if (lean_is_exclusive(x_238)) {
- lean_ctor_release(x_238, 0);
- lean_ctor_release(x_238, 1);
- x_244 = x_238;
-} else {
- lean_dec_ref(x_238);
- x_244 = lean_box(0);
-}
-x_245 = lean_box(0);
-if (lean_is_scalar(x_244)) {
- x_246 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_246 = x_244;
- lean_ctor_set_tag(x_246, 1);
-}
-lean_ctor_set(x_246, 0, x_243);
-lean_ctor_set(x_246, 1, x_245);
-x_247 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_247, 0, x_242);
-lean_ctor_set(x_247, 1, x_246);
-if (lean_is_scalar(x_239)) {
- x_248 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_248 = x_239;
-}
-lean_ctor_set(x_248, 0, x_247);
-if (lean_is_scalar(x_241)) {
- x_249 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_249 = x_241;
-}
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_240);
-return x_249;
-}
-}
-else
-{
-lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; 
-x_250 = lean_ctor_get(x_233, 0);
-lean_inc(x_250);
-x_251 = lean_ctor_get(x_233, 1);
-lean_inc(x_251);
-if (lean_is_exclusive(x_233)) {
- lean_ctor_release(x_233, 0);
- lean_ctor_release(x_233, 1);
- x_252 = x_233;
-} else {
- lean_dec_ref(x_233);
- x_252 = lean_box(0);
-}
-if (lean_is_scalar(x_252)) {
- x_253 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_253 = x_252;
-}
-lean_ctor_set(x_253, 0, x_250);
-lean_ctor_set(x_253, 1, x_251);
-return x_253;
-}
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; 
-lean_dec(x_213);
-x_254 = lean_box(0);
-x_255 = l_Lean_Meta_splitIfLocalDecl_x3f(x_2, x_1, x_254, x_3, x_4, x_5, x_6, x_206);
-if (lean_obj_tag(x_255) == 0)
-{
-lean_object* x_256; 
-x_256 = lean_ctor_get(x_255, 0);
-lean_inc(x_256);
-if (lean_obj_tag(x_256) == 0)
-{
-lean_object* x_257; lean_object* x_258; lean_object* x_259; 
-x_257 = lean_ctor_get(x_255, 1);
-lean_inc(x_257);
-if (lean_is_exclusive(x_255)) {
- lean_ctor_release(x_255, 0);
- lean_ctor_release(x_255, 1);
- x_258 = x_255;
-} else {
- lean_dec_ref(x_255);
- x_258 = lean_box(0);
-}
-if (lean_is_scalar(x_258)) {
- x_259 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_259 = x_258;
-}
-lean_ctor_set(x_259, 0, x_254);
-lean_ctor_set(x_259, 1, x_257);
-return x_259;
-}
-else
-{
-lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; 
-x_260 = lean_ctor_get(x_256, 0);
-lean_inc(x_260);
-if (lean_is_exclusive(x_256)) {
- lean_ctor_release(x_256, 0);
- x_261 = x_256;
-} else {
- lean_dec_ref(x_256);
- x_261 = lean_box(0);
-}
-x_262 = lean_ctor_get(x_255, 1);
-lean_inc(x_262);
-if (lean_is_exclusive(x_255)) {
- lean_ctor_release(x_255, 0);
- lean_ctor_release(x_255, 1);
- x_263 = x_255;
-} else {
- lean_dec_ref(x_255);
- x_263 = lean_box(0);
-}
-x_264 = lean_ctor_get(x_260, 0);
-lean_inc(x_264);
-x_265 = lean_ctor_get(x_260, 1);
-lean_inc(x_265);
-if (lean_is_exclusive(x_260)) {
- lean_ctor_release(x_260, 0);
- lean_ctor_release(x_260, 1);
- x_266 = x_260;
-} else {
- lean_dec_ref(x_260);
- x_266 = lean_box(0);
-}
-x_267 = lean_box(0);
-if (lean_is_scalar(x_266)) {
- x_268 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_268 = x_266;
- lean_ctor_set_tag(x_268, 1);
-}
-lean_ctor_set(x_268, 0, x_265);
-lean_ctor_set(x_268, 1, x_267);
-x_269 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_269, 0, x_264);
-lean_ctor_set(x_269, 1, x_268);
-if (lean_is_scalar(x_261)) {
- x_270 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_270 = x_261;
-}
-lean_ctor_set(x_270, 0, x_269);
-if (lean_is_scalar(x_263)) {
- x_271 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_271 = x_263;
-}
-lean_ctor_set(x_271, 0, x_270);
-lean_ctor_set(x_271, 1, x_262);
-return x_271;
-}
-}
-else
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; lean_object* x_275; 
-x_272 = lean_ctor_get(x_255, 0);
-lean_inc(x_272);
-x_273 = lean_ctor_get(x_255, 1);
-lean_inc(x_273);
-if (lean_is_exclusive(x_255)) {
- lean_ctor_release(x_255, 0);
- lean_ctor_release(x_255, 1);
- x_274 = x_255;
-} else {
- lean_dec_ref(x_255);
- x_274 = lean_box(0);
-}
-if (lean_is_scalar(x_274)) {
- x_275 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_275 = x_274;
-}
-lean_ctor_set(x_275, 0, x_272);
-lean_ctor_set(x_275, 1, x_273);
-return x_275;
-}
-}
-}
-}
-else
-{
-lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; 
-lean_dec(x_199);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_276 = lean_ctor_get(x_201, 0);
-lean_inc(x_276);
-x_277 = lean_ctor_get(x_201, 1);
-lean_inc(x_277);
-if (lean_is_exclusive(x_201)) {
- lean_ctor_release(x_201, 0);
- lean_ctor_release(x_201, 1);
- x_278 = x_201;
-} else {
- lean_dec_ref(x_201);
- x_278 = lean_box(0);
-}
-if (lean_is_scalar(x_278)) {
- x_279 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_279 = x_278;
-}
-lean_ctor_set(x_279, 0, x_276);
-lean_ctor_set(x_279, 1, x_277);
-return x_279;
+lean_object* x_211; lean_object* x_212; lean_object* x_213; 
+x_211 = lean_ctor_get(x_9, 0);
+x_212 = lean_ctor_get(x_9, 1);
+lean_inc(x_212);
+lean_inc(x_211);
+lean_dec(x_9);
+x_213 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_213, 0, x_211);
+lean_ctor_set(x_213, 1, x_212);
+return x_213;
 }
 }
 }
@@ -20066,16 +18534,19 @@ return x_279;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitLocalDecl_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+lean_inc(x_2);
+x_8 = l_Lean_Expr_fvar___override(x_2);
 lean_inc(x_1);
-x_8 = lean_alloc_closure((void*)(l_Lean_Meta_splitLocalDecl_x3f___lambda__4), 7, 2);
-lean_closure_set(x_8, 0, x_2);
-lean_closure_set(x_8, 1, x_1);
-x_9 = lean_alloc_closure((void*)(l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg), 7, 2);
-lean_closure_set(x_9, 0, x_1);
-lean_closure_set(x_9, 1, x_8);
-x_10 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_9, x_3, x_4, x_5, x_6, x_7);
-return x_10;
+x_9 = lean_alloc_closure((void*)(l_Lean_Meta_splitLocalDecl_x3f___lambda__4), 8, 3);
+lean_closure_set(x_9, 0, x_8);
+lean_closure_set(x_9, 1, x_2);
+lean_closure_set(x_9, 2, x_1);
+x_10 = lean_alloc_closure((void*)(l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg), 7, 2);
+lean_closure_set(x_10, 0, x_1);
+lean_closure_set(x_10, 1, x_9);
+x_11 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_10, x_3, x_4, x_5, x_6, x_7);
+return x_11;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Meta_splitLocalDecl_x3f___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
@@ -20100,7 +18571,7 @@ lean_dec(x_5);
 return x_11;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__1() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -20108,17 +18579,17 @@ x_1 = lean_mk_string_unchecked("Lean", 4, 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__2() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__1;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__3() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -20126,17 +18597,17 @@ x_1 = lean_mk_string_unchecked("Meta", 4, 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__4() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__2;
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__3;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__2;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__3;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__5() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -20144,17 +18615,17 @@ x_1 = lean_mk_string_unchecked("initFn", 6, 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__6() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__4;
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__5;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__4;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__5;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__7() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__7() {
 _start:
 {
 lean_object* x_1; 
@@ -20162,37 +18633,37 @@ x_1 = lean_mk_string_unchecked("_@", 2, 2);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__8() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__6;
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__7;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__6;
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 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__9() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__9() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__8;
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__1;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__8;
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 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__10() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__10() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__9;
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__3;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__9;
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 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__11() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__11() {
 _start:
 {
 lean_object* x_1; 
@@ -20200,17 +18671,17 @@ x_1 = lean_mk_string_unchecked("Tactic", 6, 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__12() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__12() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__10;
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__11;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__10;
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 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__13() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__13() {
 _start:
 {
 lean_object* x_1; 
@@ -20218,17 +18689,17 @@ x_1 = lean_mk_string_unchecked("Split", 5, 5);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__14() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__14() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__13;
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 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__15() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__15() {
 _start:
 {
 lean_object* x_1; 
@@ -20236,33 +18707,33 @@ x_1 = lean_mk_string_unchecked("_hyg", 4, 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__16() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__16() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__14;
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__15;
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 return x_3;
 }
 }
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+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__17() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7156____closed__16;
-x_2 = lean_unsigned_to_nat(7156u);
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__16;
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 return x_3;
 }
 }
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+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; uint8_t x_3; lean_object* x_4; lean_object* x_5; 
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 x_5 = l_Lean_registerTraceClass(x_2, x_3, x_4, x_1);
 if (lean_obj_tag(x_5) == 0)
 {
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-lean_mark_persistent(l_Lean_Meta_Split_splitMatch___closed__3);
-l_Lean_Meta_Split_splitMatch___closed__4 = _init_l_Lean_Meta_Split_splitMatch___closed__4();
-lean_mark_persistent(l_Lean_Meta_Split_splitMatch___closed__4);
-l_Lean_Meta_Split_splitMatch___closed__5 = _init_l_Lean_Meta_Split_splitMatch___closed__5();
-lean_mark_persistent(l_Lean_Meta_Split_splitMatch___closed__5);
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 lean_mark_persistent(l_Lean_Meta_splitTarget_x3f_go___closed__1);
 l_Lean_Meta_splitTarget_x3f_go___closed__2 = _init_l_Lean_Meta_splitTarget_x3f_go___closed__2();
@@ -20583,41 +19040,41 @@ l_Lean_Meta_splitTarget_x3f___lambda__1___closed__2 = _init_l_Lean_Meta_splitTar
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 lean_mark_persistent(l_Lean_Meta_splitTarget_x3f___lambda__1___closed__3);
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+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__14);
+l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__15 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__15();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__15);
+l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__16 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__16();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__16);
+l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__17 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__17();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813____closed__17);
+if (builtin) {res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_6813_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 }return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c b/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
index a001c14a69..1c7cfeaaa4 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
@@ -13,100 +13,155 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__4;
 static lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__3___closed__5;
+static lean_object* l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___closed__1;
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__6;
-static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__12;
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__11;
 static lean_object* l_Lean_Meta_simpIfTarget___closed__9;
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_splitIfLocalDecl_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f(lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_simpIfLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__2;
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg(uint8_t, uint8_t, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__9;
+lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isDIte(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__8;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__4;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__5;
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__10;
 static lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__3___closed__4;
+static lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___closed__2;
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__13;
+static lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___closed__3;
 static lean_object* l_Lean_Meta_simpIfLocalDecl___closed__3;
-LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Exception_isInterrupt(lean_object*);
 lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
+uint64_t lean_uint64_mix_hash(uint64_t, uint64_t);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+size_t lean_uint64_to_usize(uint64_t);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__2;
 uint64_t lean_uint64_lor(uint64_t, uint64_t);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
+uint8_t l_Std_DHashMap_Internal_AssocList_contains___at_Lean_CollectLevelMVars_visitExpr___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_findDeclRevM_x3f___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_simpIfLocalDecl___closed__1;
+static lean_object* l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1___closed__1;
+LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__1___boxed(lean_object**);
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_toCtorIdx(uint8_t);
+lean_object* l_Lean_Expr_sort___override(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_findDeclRevM_x3f___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_mk_array(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_mkDischarge_x3f___elambda__1(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__7;
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__10;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_byCasesDec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_Match_MatcherInfo_arity(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVars___at_Lean_Meta_Simp_synthesizeArgs___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg___closed__1;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__7;
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_go(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_simpIfTarget___closed__11;
-LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1(lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__11;
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__11;
+lean_object* l_Lean_Expr_getBoundedAppFn(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2___closed__1;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__3;
+uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__3;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+static lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__1;
+lean_object* l_Nat_nextPowerOfTwo_go(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__5;
+static lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___closed__5;
 static lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__3___closed__3;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__8;
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__9;
 static lean_object* l_Lean_Meta_simpIfTarget___closed__6;
 lean_object* l_Lean_Meta_getSimpCongrTheorems___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
+static lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___closed__4;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__6;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__14;
 static uint64_t l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__1;
+LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__6;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__5;
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit_visitApp_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
 lean_object* l_Lean_LocalDecl_index(lean_object*);
 static lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__3___closed__2;
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
+size_t lean_ptr_addr(lean_object*);
 lean_object* l_Lean_Name_mkStr3(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__10;
+static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+size_t lean_usize_of_nat(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__4;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__14;
+LEAN_EXPORT uint8_t l_Lean_Meta_SplitKind_considerIte(uint8_t);
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion(lean_object*);
+static lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3___closed__2;
 extern lean_object* l_Lean_PersistentHashMap_empty___at_Lean_Meta_instInhabitedSimpTheorems___spec__1;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getRevArg_x21(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__12;
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__6;
 static lean_object* l_Lean_Meta_simpIfTarget___closed__3;
 static lean_object* l_Lean_Meta_simpIfTarget___closed__8;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__8;
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__3;
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__12;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__1;
 uint64_t lean_uint64_shift_right(uint64_t, uint64_t);
+lean_object* l_Lean_Meta_getFunInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint64_t lean_usize_to_uint64(size_t);
 static lean_object* l_Lean_Meta_simpIfTarget___closed__5;
+lean_object* lean_nat_div(lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, uint8_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_findSomeRevM_x3f___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__3;
-static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__2;
 lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_checkVisited___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_simpIfTarget___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__3___closed__1;
 lean_object* l_Lean_MessageData_ofFormat(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_simpTarget(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__15;
+lean_object* l_Lean_Meta_Match_MatcherInfo_getFirstDiscrPos(lean_object*);
+lean_object* l_outOfBounds___rarg(lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_empty(lean_object*);
+lean_object* lean_st_ref_get(lean_object*, lean_object*);
+lean_object* l_Lean_mkPtrSet___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___closed__2;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_findSomeRevMAux___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_splitIfLocalDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -114,93 +169,4368 @@ uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_num___override(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_getSimpContext(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_isTracingEnabledFor___at_Lean_Meta_Simp_congrArgs___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_levelZero;
+LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_toCtorIdx___boxed(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__2;
+LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_instInhabitedExpr;
 static lean_object* l_Lean_Meta_simpIfLocalDecl___closed__2;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__15;
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_mkDischarge_x3f(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__4;
+uint64_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_Lean_Meta_mkDecide(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11;
-static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__2;
 lean_object* l_Lean_Meta_Simp_mkContext(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_mkDischarge_x3f___elambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__8;
 LEAN_EXPORT lean_object* l_Lean_Meta_simpIfTarget(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_considerIte___boxed(lean_object*);
+uint8_t l_Std_DHashMap_Internal_AssocList_contains___at_Lean_Expr_NumObjs_visit___spec__1(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isIte(lean_object*);
+lean_object* l_Lean_Meta_isMatcherAppCore_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_considerMatch___boxed(lean_object*);
+static lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 uint8_t l_Lean_LocalDecl_isAuxDecl(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___closed__6;
+static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___closed__1;
 static lean_object* l_Lean_Meta_simpIfTarget___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__1;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__4;
+static lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_mkDischarge_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MessageData_ofExpr(lean_object*);
 static lean_object* l_Lean_Meta_simpIfTarget___closed__7;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__9;
+static lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+static lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
 static lean_object* l_Lean_Meta_simpIfTarget___closed__10;
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__5;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_mkApp3(lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__1___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassApp_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_mkStr2(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_indentExpr(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg___lambda__1___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___closed__2;
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
+static lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___closed__1;
+lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_simpIfTarget___closed__4;
 lean_object* l_Lean_LocalDecl_type(lean_object*);
+uint64_t lean_uint64_xor(uint64_t, uint64_t);
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg___lambda__1(lean_object*);
 lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_congrArgs___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__2;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__3;
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__9;
-static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__1;
+lean_object* lean_nat_mul(lean_object*, lean_object*);
 uint64_t lean_uint64_shift_left(uint64_t, uint64_t);
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_SimpTheorems_addConst(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__7;
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__3;
+size_t lean_usize_sub(size_t, size_t);
 lean_object* lean_array_mk(lean_object*);
+LEAN_EXPORT uint8_t l_Lean_Meta_SplitKind_considerMatch(uint8_t);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609_(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__4;
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688_(lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__6;
 extern lean_object* l_Lean_Meta_Simp_defaultMaxSteps;
 uint8_t l_Lean_Expr_hasFVar(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_array_uget(lean_object*, size_t);
 lean_object* l_Lean_Expr_fvar___override(lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__6;
 lean_object* l_Lean_Meta_simpLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_local_ctx_num_indices(lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__7;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__4;
+lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__5;
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_findSomeRevMAux___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__3;
-static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__13;
 extern lean_object* l_Lean_PersistentHashMap_empty___at_Lean_KeyedDeclsAttribute_instInhabitedExtensionState___spec__1;
-static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__1;
 lean_object* l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__5;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__13;
+static lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__4;
 lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_findSomeRevM_x3f___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__1(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_checkVisited(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_find_expr(lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___boxed(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__7;
 uint64_t l_Lean_Meta_TransparencyMode_toUInt64(uint8_t);
+lean_object* lean_nat_add(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__4;
 uint8_t l_Lean_Exception_isRuntime(lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__13;
+static lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+uint8_t l_Lean_Meta_ParamInfo_isExplicit(lean_object*);
+lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_getSimpContext___closed__2;
+lean_object* l_Lean_Meta_isProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__1;
 lean_object* l_panic___at_Lean_Meta_subst_substEq___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__2;
+size_t lean_usize_land(size_t, size_t);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__12;
+lean_object* l_Std_DHashMap_Internal_Raw_u2080_expand___at_Lean_Expr_NumObjs_visit___spec__2(lean_object*);
 static lean_object* l_Lean_Meta_simpIfTarget___closed__1;
 static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__6;
-static lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__3;
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_toCtorIdx(uint8_t x_1) {
+_start:
+{
+switch (x_1) {
+case 0:
+{
+lean_object* x_2; 
+x_2 = lean_unsigned_to_nat(0u);
+return x_2;
+}
+case 1:
+{
+lean_object* x_3; 
+x_3 = lean_unsigned_to_nat(1u);
+return x_3;
+}
+default: 
+{
+lean_object* x_4; 
+x_4 = lean_unsigned_to_nat(2u);
+return x_4;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_toCtorIdx___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = lean_unbox(x_1);
+lean_dec(x_1);
+x_3 = l_Lean_Meta_SplitKind_toCtorIdx(x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg___lambda__1(lean_object* x_1) {
+_start:
+{
+lean_inc(x_1);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_SplitKind_noConfusion___rarg___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_SplitKind_noConfusion___rarg___lambda__1___boxed), 1, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg(uint8_t x_1, uint8_t x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_Meta_SplitKind_noConfusion___rarg___closed__1;
+return x_4;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_SplitKind_noConfusion___rarg___boxed), 3, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg___lambda__1___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_Meta_SplitKind_noConfusion___rarg___lambda__1(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_noConfusion___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; uint8_t x_5; lean_object* x_6; 
+x_4 = lean_unbox(x_1);
+lean_dec(x_1);
+x_5 = lean_unbox(x_2);
+lean_dec(x_2);
+x_6 = l_Lean_Meta_SplitKind_noConfusion___rarg(x_4, x_5, x_3);
+return x_6;
+}
+}
+LEAN_EXPORT uint8_t l_Lean_Meta_SplitKind_considerIte(uint8_t x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_box(x_1);
+if (lean_obj_tag(x_2) == 1)
+{
+uint8_t x_3; 
+x_3 = 0;
+return x_3;
+}
+else
+{
+uint8_t x_4; 
+lean_dec(x_2);
+x_4 = 1;
+return x_4;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_considerIte___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; uint8_t x_3; lean_object* x_4; 
+x_2 = lean_unbox(x_1);
+lean_dec(x_1);
+x_3 = l_Lean_Meta_SplitKind_considerIte(x_2);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
+LEAN_EXPORT uint8_t l_Lean_Meta_SplitKind_considerMatch(uint8_t x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_box(x_1);
+if (lean_obj_tag(x_2) == 0)
+{
+uint8_t x_3; 
+x_3 = 0;
+return x_3;
+}
+else
+{
+uint8_t x_4; 
+lean_dec(x_2);
+x_4 = 1;
+return x_4;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitKind_considerMatch___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; uint8_t x_3; lean_object* x_4; 
+x_2 = lean_unbox(x_1);
+lean_dec(x_1);
+x_3 = l_Lean_Meta_SplitKind_considerMatch(x_2);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_box(0);
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___closed__1;
+x_2 = lean_box(0);
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+uint8_t x_11; 
+x_11 = lean_nat_dec_lt(x_8, x_5);
+if (x_11 == 0)
+{
+lean_dec(x_8);
+lean_dec(x_7);
+lean_inc(x_10);
+return x_10;
+}
+else
+{
+lean_object* x_12; uint8_t x_13; 
+x_12 = lean_unsigned_to_nat(0u);
+x_13 = lean_nat_dec_eq(x_7, x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_14 = lean_unsigned_to_nat(1u);
+x_15 = lean_nat_sub(x_7, x_14);
+lean_dec(x_7);
+x_16 = lean_array_get_size(x_1);
+x_17 = lean_nat_dec_lt(x_8, x_16);
+lean_dec(x_16);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_18 = l_Lean_instInhabitedExpr;
+x_19 = l_outOfBounds___rarg(x_18);
+x_20 = l_Lean_Expr_hasLooseBVars(x_19);
+lean_dec(x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; 
+x_21 = lean_nat_add(x_8, x_6);
+lean_dec(x_8);
+{
+lean_object* _tmp_6 = x_15;
+lean_object* _tmp_7 = x_21;
+lean_object* _tmp_8 = lean_box(0);
+lean_object* _tmp_9 = x_3;
+x_7 = _tmp_6;
+x_8 = _tmp_7;
+x_9 = _tmp_8;
+x_10 = _tmp_9;
+}
+goto _start;
+}
+else
+{
+lean_object* x_23; 
+lean_dec(x_15);
+lean_dec(x_8);
+x_23 = l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___closed__2;
+return x_23;
+}
+}
+else
+{
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_array_fget(x_1, x_8);
+x_25 = l_Lean_Expr_hasLooseBVars(x_24);
+lean_dec(x_24);
+if (x_25 == 0)
+{
+lean_object* x_26; 
+x_26 = lean_nat_add(x_8, x_6);
+lean_dec(x_8);
+{
+lean_object* _tmp_6 = x_15;
+lean_object* _tmp_7 = x_26;
+lean_object* _tmp_8 = lean_box(0);
+lean_object* _tmp_9 = x_3;
+x_7 = _tmp_6;
+x_8 = _tmp_7;
+x_9 = _tmp_8;
+x_10 = _tmp_9;
+}
+goto _start;
+}
+else
+{
+lean_object* x_28; 
+lean_dec(x_15);
+lean_dec(x_8);
+x_28 = l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___closed__2;
+return x_28;
+}
+}
+}
+else
+{
+lean_dec(x_8);
+lean_dec(x_7);
+lean_inc(x_10);
+return x_10;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_box(0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint64_t x_13; uint64_t x_14; uint64_t x_15; uint64_t x_16; uint64_t x_17; uint64_t x_18; uint64_t x_19; size_t x_20; size_t x_21; size_t x_22; size_t x_23; size_t x_24; lean_object* x_25; uint8_t x_26; 
+x_6 = lean_array_get_size(x_1);
+x_7 = l_Lean_Meta_Match_MatcherInfo_arity(x_2);
+x_8 = lean_nat_sub(x_6, x_7);
+lean_dec(x_7);
+lean_dec(x_6);
+x_9 = l_Lean_Expr_getBoundedAppFn(x_8, x_3);
+x_10 = lean_ctor_get(x_4, 0);
+x_11 = lean_ctor_get(x_10, 1);
+x_12 = lean_array_get_size(x_11);
+x_13 = l_Lean_Expr_hash(x_9);
+x_14 = 32;
+x_15 = lean_uint64_shift_right(x_13, x_14);
+x_16 = lean_uint64_xor(x_13, x_15);
+x_17 = 16;
+x_18 = lean_uint64_shift_right(x_16, x_17);
+x_19 = lean_uint64_xor(x_16, x_18);
+x_20 = lean_uint64_to_usize(x_19);
+x_21 = lean_usize_of_nat(x_12);
+lean_dec(x_12);
+x_22 = 1;
+x_23 = lean_usize_sub(x_21, x_22);
+x_24 = lean_usize_land(x_20, x_23);
+x_25 = lean_array_uget(x_11, x_24);
+x_26 = l_Std_DHashMap_Internal_AssocList_contains___at_Lean_CollectLevelMVars_visitExpr___spec__1(x_9, x_25);
+lean_dec(x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; 
+x_27 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_27, 0, x_9);
+return x_27;
+}
+else
+{
+lean_object* x_28; 
+lean_dec(x_9);
+x_28 = lean_box(0);
+return x_28;
+}
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__1___boxed), 1, 0);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__1;
+x_2 = lean_box(0);
+x_3 = lean_apply_1(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_levelZero;
+x_2 = l_Lean_Expr_sort___override(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = lean_box(0);
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; uint8_t x_6; 
+x_5 = lean_ctor_get_uint8(x_1, sizeof(void*)*1);
+x_6 = l_Lean_Meta_SplitKind_considerMatch(x_5);
+if (x_6 == 0)
+{
+lean_object* x_7; 
+lean_dec(x_3);
+x_7 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__2;
+return x_7;
+}
+else
+{
+lean_object* x_8; 
+x_8 = l_Lean_Meta_isMatcherAppCore_x3f(x_2, x_3);
+if (lean_obj_tag(x_8) == 0)
+{
+lean_object* x_9; 
+lean_dec(x_3);
+x_9 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__2;
+return x_9;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_10 = lean_ctor_get(x_8, 0);
+lean_inc(x_10);
+lean_dec(x_8);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_3, x_11);
+x_13 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__3;
+lean_inc(x_12);
+x_14 = lean_mk_array(x_12, x_13);
+x_15 = lean_unsigned_to_nat(1u);
+x_16 = lean_nat_sub(x_12, x_15);
+lean_dec(x_12);
+lean_inc(x_3);
+x_17 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_3, x_14, x_16);
+x_18 = l_Lean_Meta_Match_MatcherInfo_getFirstDiscrPos(x_10);
+x_19 = lean_ctor_get(x_10, 1);
+lean_inc(x_19);
+x_20 = lean_nat_add(x_18, x_19);
+lean_dec(x_19);
+lean_inc(x_20);
+lean_inc(x_18);
+x_21 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_21, 0, x_18);
+lean_ctor_set(x_21, 1, x_20);
+lean_ctor_set(x_21, 2, x_15);
+x_22 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__4;
+lean_inc(x_20);
+lean_inc(x_18);
+x_23 = l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1(x_17, x_21, x_22, x_18, x_20, x_15, x_20, x_18, lean_box(0), x_22);
+lean_dec(x_20);
+lean_dec(x_18);
+lean_dec(x_21);
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+lean_dec(x_23);
+if (lean_obj_tag(x_24) == 0)
+{
+lean_object* x_25; lean_object* x_26; 
+x_25 = lean_box(0);
+x_26 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__2(x_17, x_10, x_3, x_1, x_25);
+lean_dec(x_3);
+lean_dec(x_10);
+lean_dec(x_17);
+return x_26;
+}
+else
+{
+lean_object* x_27; 
+lean_dec(x_17);
+lean_dec(x_10);
+lean_dec(x_3);
+x_27 = lean_ctor_get(x_24, 0);
+lean_inc(x_27);
+lean_dec(x_24);
+return x_27;
+}
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_unsigned_to_nat(5u);
+x_2 = lean_unsigned_to_nat(1u);
+x_3 = lean_nat_sub(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__1;
+x_2 = lean_unsigned_to_nat(1u);
+x_3 = lean_nat_sub(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("ite", 3, 3);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__3;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("dite", 4, 4);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__5;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; uint8_t x_38; uint8_t x_39; 
+x_38 = lean_ctor_get_uint8(x_2, sizeof(void*)*1);
+x_39 = l_Lean_Meta_SplitKind_considerIte(x_38);
+if (x_39 == 0)
+{
+lean_object* x_40; lean_object* x_41; 
+x_40 = lean_box(0);
+x_41 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3(x_2, x_1, x_3, x_40);
+return x_41;
+}
+else
+{
+lean_object* x_42; uint8_t x_43; 
+x_42 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__4;
+x_43 = l_Lean_Expr_isAppOf(x_3, x_42);
+if (x_43 == 0)
+{
+lean_object* x_44; uint8_t x_45; 
+x_44 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__6;
+x_45 = l_Lean_Expr_isAppOf(x_3, x_44);
+if (x_45 == 0)
+{
+lean_object* x_46; lean_object* x_47; 
+x_46 = lean_box(0);
+x_47 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3(x_2, x_1, x_3, x_46);
+return x_47;
+}
+else
+{
+lean_object* x_48; 
+x_48 = lean_box(0);
+x_4 = x_48;
+goto block_37;
+}
+}
+else
+{
+lean_object* x_49; 
+x_49 = lean_box(0);
+x_4 = x_49;
+goto block_37;
+}
+}
+block_37:
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; 
+lean_dec(x_4);
+x_5 = lean_unsigned_to_nat(0u);
+x_6 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_3, x_5);
+x_7 = lean_unsigned_to_nat(5u);
+x_8 = lean_nat_dec_le(x_7, x_6);
+if (x_8 == 0)
+{
+lean_object* x_9; lean_object* x_10; 
+lean_dec(x_6);
+x_9 = lean_box(0);
+x_10 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3(x_2, x_1, x_3, x_9);
+return x_10;
+}
+else
+{
+lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_11 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_12 = l_Lean_Expr_getRevArg_x21(x_3, x_11);
+x_13 = l_Lean_Expr_hasLooseBVars(x_12);
+lean_dec(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint64_t x_19; uint64_t x_20; uint64_t x_21; uint64_t x_22; uint64_t x_23; uint64_t x_24; uint64_t x_25; size_t x_26; size_t x_27; size_t x_28; size_t x_29; size_t x_30; lean_object* x_31; uint8_t x_32; 
+x_14 = lean_nat_sub(x_6, x_7);
+lean_dec(x_6);
+x_15 = l_Lean_Expr_getBoundedAppFn(x_14, x_3);
+lean_dec(x_3);
+x_16 = lean_ctor_get(x_2, 0);
+x_17 = lean_ctor_get(x_16, 1);
+x_18 = lean_array_get_size(x_17);
+x_19 = l_Lean_Expr_hash(x_15);
+x_20 = 32;
+x_21 = lean_uint64_shift_right(x_19, x_20);
+x_22 = lean_uint64_xor(x_19, x_21);
+x_23 = 16;
+x_24 = lean_uint64_shift_right(x_22, x_23);
+x_25 = lean_uint64_xor(x_22, x_24);
+x_26 = lean_uint64_to_usize(x_25);
+x_27 = lean_usize_of_nat(x_18);
+lean_dec(x_18);
+x_28 = 1;
+x_29 = lean_usize_sub(x_27, x_28);
+x_30 = lean_usize_land(x_26, x_29);
+x_31 = lean_array_uget(x_17, x_30);
+x_32 = l_Std_DHashMap_Internal_AssocList_contains___at_Lean_CollectLevelMVars_visitExpr___spec__1(x_15, x_31);
+lean_dec(x_31);
+if (x_32 == 0)
+{
+lean_object* x_33; 
+x_33 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_33, 0, x_15);
+return x_33;
+}
+else
+{
+lean_object* x_34; 
+lean_dec(x_15);
+x_34 = lean_box(0);
+return x_34;
+}
+}
+else
+{
+lean_object* x_35; lean_object* x_36; 
+lean_dec(x_6);
+x_35 = lean_box(0);
+x_36 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3(x_2, x_1, x_3, x_35);
+return x_36;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l_Std_Range_forIn_x27_loop___at___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_10);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__1___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__1(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+x_6 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__2(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3(x_1, x_2, x_3, x_4);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f(x_1, x_2, x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_box(0);
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+uint8_t x_10; 
+x_10 = !lean_is_exclusive(x_4);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; size_t x_14; uint64_t x_15; uint64_t x_16; uint64_t x_17; uint64_t x_18; uint64_t x_19; uint64_t x_20; uint64_t x_21; uint64_t x_22; uint64_t x_23; size_t x_24; size_t x_25; size_t x_26; size_t x_27; size_t x_28; lean_object* x_29; uint8_t x_30; 
+x_11 = lean_ctor_get(x_4, 0);
+x_12 = lean_ctor_get(x_4, 1);
+x_13 = lean_array_get_size(x_12);
+x_14 = lean_ptr_addr(x_1);
+x_15 = lean_usize_to_uint64(x_14);
+x_16 = 11;
+x_17 = lean_uint64_mix_hash(x_15, x_16);
+x_18 = 32;
+x_19 = lean_uint64_shift_right(x_17, x_18);
+x_20 = lean_uint64_xor(x_17, x_19);
+x_21 = 16;
+x_22 = lean_uint64_shift_right(x_20, x_21);
+x_23 = lean_uint64_xor(x_20, x_22);
+x_24 = lean_uint64_to_usize(x_23);
+x_25 = lean_usize_of_nat(x_13);
+lean_dec(x_13);
+x_26 = 1;
+x_27 = lean_usize_sub(x_25, x_26);
+x_28 = lean_usize_land(x_24, x_27);
+x_29 = lean_array_uget(x_12, x_28);
+x_30 = l_Std_DHashMap_Internal_AssocList_contains___at_Lean_Expr_NumObjs_visit___spec__1(x_1, x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+x_31 = lean_unsigned_to_nat(1u);
+x_32 = lean_nat_add(x_11, x_31);
+lean_dec(x_11);
+x_33 = lean_box(0);
+x_34 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_34, 0, x_1);
+lean_ctor_set(x_34, 1, x_33);
+lean_ctor_set(x_34, 2, x_29);
+x_35 = lean_array_uset(x_12, x_28, x_34);
+x_36 = lean_unsigned_to_nat(4u);
+x_37 = lean_nat_mul(x_32, x_36);
+x_38 = lean_unsigned_to_nat(3u);
+x_39 = lean_nat_div(x_37, x_38);
+lean_dec(x_37);
+x_40 = lean_array_get_size(x_35);
+x_41 = lean_nat_dec_le(x_39, x_40);
+lean_dec(x_40);
+lean_dec(x_39);
+if (x_41 == 0)
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_42 = l_Std_DHashMap_Internal_Raw_u2080_expand___at_Lean_Expr_NumObjs_visit___spec__2(x_35);
+lean_ctor_set(x_4, 1, x_42);
+lean_ctor_set(x_4, 0, x_32);
+x_43 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___closed__1;
+x_44 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_44, 1, x_4);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_9);
+return x_45;
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+lean_ctor_set(x_4, 1, x_35);
+lean_ctor_set(x_4, 0, x_32);
+x_46 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___closed__1;
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_4);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_9);
+return x_48;
+}
+}
+else
+{
+lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+lean_dec(x_29);
+lean_dec(x_1);
+x_49 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___closed__1;
+x_50 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_50, 0, x_49);
+lean_ctor_set(x_50, 1, x_4);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_9);
+return x_51;
+}
+}
+else
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; size_t x_55; uint64_t x_56; uint64_t x_57; uint64_t x_58; uint64_t x_59; uint64_t x_60; uint64_t x_61; uint64_t x_62; uint64_t x_63; uint64_t x_64; size_t x_65; size_t x_66; size_t x_67; size_t x_68; size_t x_69; lean_object* x_70; uint8_t x_71; 
+x_52 = lean_ctor_get(x_4, 0);
+x_53 = lean_ctor_get(x_4, 1);
+lean_inc(x_53);
+lean_inc(x_52);
+lean_dec(x_4);
+x_54 = lean_array_get_size(x_53);
+x_55 = lean_ptr_addr(x_1);
+x_56 = lean_usize_to_uint64(x_55);
+x_57 = 11;
+x_58 = lean_uint64_mix_hash(x_56, x_57);
+x_59 = 32;
+x_60 = lean_uint64_shift_right(x_58, x_59);
+x_61 = lean_uint64_xor(x_58, x_60);
+x_62 = 16;
+x_63 = lean_uint64_shift_right(x_61, x_62);
+x_64 = lean_uint64_xor(x_61, x_63);
+x_65 = lean_uint64_to_usize(x_64);
+x_66 = lean_usize_of_nat(x_54);
+lean_dec(x_54);
+x_67 = 1;
+x_68 = lean_usize_sub(x_66, x_67);
+x_69 = lean_usize_land(x_65, x_68);
+x_70 = lean_array_uget(x_53, x_69);
+x_71 = l_Std_DHashMap_Internal_AssocList_contains___at_Lean_Expr_NumObjs_visit___spec__1(x_1, x_70);
+if (x_71 == 0)
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; uint8_t x_82; 
+x_72 = lean_unsigned_to_nat(1u);
+x_73 = lean_nat_add(x_52, x_72);
+lean_dec(x_52);
+x_74 = lean_box(0);
+x_75 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_75, 0, x_1);
+lean_ctor_set(x_75, 1, x_74);
+lean_ctor_set(x_75, 2, x_70);
+x_76 = lean_array_uset(x_53, x_69, x_75);
+x_77 = lean_unsigned_to_nat(4u);
+x_78 = lean_nat_mul(x_73, x_77);
+x_79 = lean_unsigned_to_nat(3u);
+x_80 = lean_nat_div(x_78, x_79);
+lean_dec(x_78);
+x_81 = lean_array_get_size(x_76);
+x_82 = lean_nat_dec_le(x_80, x_81);
+lean_dec(x_81);
+lean_dec(x_80);
+if (x_82 == 0)
+{
+lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
+x_83 = l_Std_DHashMap_Internal_Raw_u2080_expand___at_Lean_Expr_NumObjs_visit___spec__2(x_76);
+x_84 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_84, 0, x_73);
+lean_ctor_set(x_84, 1, x_83);
+x_85 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___closed__1;
+x_86 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_86, 0, x_85);
+lean_ctor_set(x_86, 1, x_84);
+x_87 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_87, 0, x_86);
+lean_ctor_set(x_87, 1, x_9);
+return x_87;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_88 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_88, 0, x_73);
+lean_ctor_set(x_88, 1, x_76);
+x_89 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___closed__1;
+x_90 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_88);
+x_91 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_91, 0, x_90);
+lean_ctor_set(x_91, 1, x_9);
+return x_91;
+}
+}
+else
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+lean_dec(x_70);
+lean_dec(x_1);
+x_92 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_92, 0, x_52);
+lean_ctor_set(x_92, 1, x_53);
+x_93 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___closed__1;
+x_94 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_94, 0, x_93);
+lean_ctor_set(x_94, 1, x_92);
+x_95 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_95, 0, x_94);
+lean_ctor_set(x_95, 1, x_9);
+return x_95;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_checkVisited(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; size_t x_11; uint64_t x_12; uint64_t x_13; uint64_t x_14; uint64_t x_15; uint64_t x_16; uint64_t x_17; uint64_t x_18; uint64_t x_19; uint64_t x_20; size_t x_21; size_t x_22; size_t x_23; size_t x_24; size_t x_25; lean_object* x_26; uint8_t x_27; 
+x_9 = lean_ctor_get(x_3, 1);
+lean_inc(x_9);
+x_10 = lean_array_get_size(x_9);
+x_11 = lean_ptr_addr(x_1);
+x_12 = lean_usize_to_uint64(x_11);
+x_13 = 11;
+x_14 = lean_uint64_mix_hash(x_12, x_13);
+x_15 = 32;
+x_16 = lean_uint64_shift_right(x_14, x_15);
+x_17 = lean_uint64_xor(x_14, x_16);
+x_18 = 16;
+x_19 = lean_uint64_shift_right(x_17, x_18);
+x_20 = lean_uint64_xor(x_17, x_19);
+x_21 = lean_uint64_to_usize(x_20);
+x_22 = lean_usize_of_nat(x_10);
+lean_dec(x_10);
+x_23 = 1;
+x_24 = lean_usize_sub(x_22, x_23);
+x_25 = lean_usize_land(x_21, x_24);
+x_26 = lean_array_uget(x_9, x_25);
+lean_dec(x_9);
+x_27 = l_Std_DHashMap_Internal_AssocList_contains___at_Lean_Expr_NumObjs_visit___spec__1(x_1, x_26);
+lean_dec(x_26);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; 
+x_28 = lean_box(0);
+x_29 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1(x_1, x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_29;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+lean_dec(x_1);
+x_30 = lean_box(0);
+x_31 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_31, 0, x_30);
+lean_ctor_set(x_31, 1, x_3);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_8);
+return x_32;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_checkVisited___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Meta_FindSplitImpl_checkVisited(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17, lean_object* x_18) {
+_start:
+{
+uint8_t x_19; 
+x_19 = lean_nat_dec_lt(x_9, x_6);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_11);
+lean_ctor_set(x_20, 1, x_13);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_18);
+return x_21;
+}
+else
+{
+lean_object* x_22; uint8_t x_23; 
+x_22 = lean_unsigned_to_nat(0u);
+x_23 = lean_nat_dec_eq(x_8, x_22);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
+lean_dec(x_11);
+x_24 = lean_unsigned_to_nat(1u);
+x_25 = lean_nat_sub(x_8, x_24);
+lean_dec(x_8);
+x_42 = lean_array_fget(x_1, x_9);
+x_43 = lean_ctor_get(x_2, 0);
+x_44 = lean_array_get_size(x_43);
+x_45 = lean_nat_dec_lt(x_9, x_44);
+lean_dec(x_44);
+if (x_45 == 0)
+{
+lean_object* x_46; 
+lean_inc(x_17);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+x_46 = l_Lean_Meta_FindSplitImpl_visit(x_42, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
+if (lean_obj_tag(x_46) == 0)
+{
+lean_object* x_47; lean_object* x_48; 
+x_47 = lean_ctor_get(x_46, 0);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+if (lean_obj_tag(x_48) == 0)
+{
+lean_object* x_49; uint8_t x_50; 
+x_49 = lean_ctor_get(x_46, 1);
+lean_inc(x_49);
+lean_dec(x_46);
+x_50 = !lean_is_exclusive(x_47);
+if (x_50 == 0)
+{
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_ctor_get(x_47, 0);
+lean_dec(x_51);
+lean_inc(x_4);
+x_52 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_52, 0, x_4);
+lean_ctor_set(x_47, 0, x_52);
+x_26 = x_47;
+x_27 = x_49;
+goto block_41;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_53 = lean_ctor_get(x_47, 1);
+lean_inc(x_53);
+lean_dec(x_47);
+lean_inc(x_4);
+x_54 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_54, 0, x_4);
+x_55 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_53);
+x_26 = x_55;
+x_27 = x_49;
+goto block_41;
+}
+}
+else
+{
+lean_object* x_56; uint8_t x_57; 
+x_56 = lean_ctor_get(x_46, 1);
+lean_inc(x_56);
+lean_dec(x_46);
+x_57 = !lean_is_exclusive(x_47);
+if (x_57 == 0)
+{
+lean_object* x_58; uint8_t x_59; 
+x_58 = lean_ctor_get(x_47, 0);
+lean_dec(x_58);
+x_59 = !lean_is_exclusive(x_48);
+if (x_59 == 0)
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_60 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_60, 0, x_48);
+x_61 = lean_box(0);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+x_63 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_47, 0, x_63);
+x_26 = x_47;
+x_27 = x_56;
+goto block_41;
+}
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_64 = lean_ctor_get(x_48, 0);
+lean_inc(x_64);
+lean_dec(x_48);
+x_65 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_65, 0, x_64);
+x_66 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_66, 0, x_65);
+x_67 = lean_box(0);
+x_68 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+x_69 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_69, 0, x_68);
+lean_ctor_set(x_47, 0, x_69);
+x_26 = x_47;
+x_27 = x_56;
+goto block_41;
+}
+}
+else
+{
+lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_70 = lean_ctor_get(x_47, 1);
+lean_inc(x_70);
+lean_dec(x_47);
+x_71 = lean_ctor_get(x_48, 0);
+lean_inc(x_71);
+if (lean_is_exclusive(x_48)) {
+ lean_ctor_release(x_48, 0);
+ x_72 = x_48;
+} else {
+ lean_dec_ref(x_48);
+ x_72 = lean_box(0);
+}
+if (lean_is_scalar(x_72)) {
+ x_73 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_73 = x_72;
+}
+lean_ctor_set(x_73, 0, x_71);
+x_74 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_74, 0, x_73);
+x_75 = lean_box(0);
+x_76 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_76, 0, x_74);
+lean_ctor_set(x_76, 1, x_75);
+x_77 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_77, 0, x_76);
+x_78 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_78, 0, x_77);
+lean_ctor_set(x_78, 1, x_70);
+x_26 = x_78;
+x_27 = x_56;
+goto block_41;
+}
+}
+}
+else
+{
+uint8_t x_79; 
+lean_dec(x_25);
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_4);
+x_79 = !lean_is_exclusive(x_46);
+if (x_79 == 0)
+{
+return x_46;
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_80 = lean_ctor_get(x_46, 0);
+x_81 = lean_ctor_get(x_46, 1);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_46);
+x_82 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_82, 0, x_80);
+lean_ctor_set(x_82, 1, x_81);
+return x_82;
+}
+}
+}
+else
+{
+lean_object* x_83; uint8_t x_84; 
+x_83 = lean_array_fget(x_43, x_9);
+x_84 = lean_ctor_get_uint8(x_83, sizeof(void*)*1 + 2);
+if (x_84 == 0)
+{
+uint8_t x_85; 
+x_85 = l_Lean_Meta_ParamInfo_isExplicit(x_83);
+lean_dec(x_83);
+if (x_85 == 0)
+{
+lean_object* x_86; lean_object* x_87; 
+lean_dec(x_42);
+lean_inc(x_4);
+x_86 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_86, 0, x_4);
+x_87 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_87, 0, x_86);
+lean_ctor_set(x_87, 1, x_13);
+x_26 = x_87;
+x_27 = x_18;
+goto block_41;
+}
+else
+{
+lean_object* x_88; 
+lean_inc(x_17);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+x_88 = l_Lean_Meta_FindSplitImpl_visit(x_42, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
+if (lean_obj_tag(x_88) == 0)
+{
+lean_object* x_89; lean_object* x_90; 
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+if (lean_obj_tag(x_90) == 0)
+{
+lean_object* x_91; uint8_t x_92; 
+x_91 = lean_ctor_get(x_88, 1);
+lean_inc(x_91);
+lean_dec(x_88);
+x_92 = !lean_is_exclusive(x_89);
+if (x_92 == 0)
+{
+lean_object* x_93; lean_object* x_94; 
+x_93 = lean_ctor_get(x_89, 0);
+lean_dec(x_93);
+lean_inc(x_4);
+x_94 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_94, 0, x_4);
+lean_ctor_set(x_89, 0, x_94);
+x_26 = x_89;
+x_27 = x_91;
+goto block_41;
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_89, 1);
+lean_inc(x_95);
+lean_dec(x_89);
+lean_inc(x_4);
+x_96 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_96, 0, x_4);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_95);
+x_26 = x_97;
+x_27 = x_91;
+goto block_41;
+}
+}
+else
+{
+lean_object* x_98; uint8_t x_99; 
+x_98 = lean_ctor_get(x_88, 1);
+lean_inc(x_98);
+lean_dec(x_88);
+x_99 = !lean_is_exclusive(x_89);
+if (x_99 == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_89, 0);
+lean_dec(x_100);
+x_101 = !lean_is_exclusive(x_90);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_102 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_102, 0, x_90);
+x_103 = lean_box(0);
+x_104 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_104, 0, x_102);
+lean_ctor_set(x_104, 1, x_103);
+x_105 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_105, 0, x_104);
+lean_ctor_set(x_89, 0, x_105);
+x_26 = x_89;
+x_27 = x_98;
+goto block_41;
+}
+else
+{
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_106 = lean_ctor_get(x_90, 0);
+lean_inc(x_106);
+lean_dec(x_90);
+x_107 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_107, 0, x_106);
+x_108 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_108, 0, x_107);
+x_109 = lean_box(0);
+x_110 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_110, 0, x_108);
+lean_ctor_set(x_110, 1, x_109);
+x_111 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_111, 0, x_110);
+lean_ctor_set(x_89, 0, x_111);
+x_26 = x_89;
+x_27 = x_98;
+goto block_41;
+}
+}
+else
+{
+lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_112 = lean_ctor_get(x_89, 1);
+lean_inc(x_112);
+lean_dec(x_89);
+x_113 = lean_ctor_get(x_90, 0);
+lean_inc(x_113);
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ x_114 = x_90;
+} else {
+ lean_dec_ref(x_90);
+ x_114 = lean_box(0);
+}
+if (lean_is_scalar(x_114)) {
+ x_115 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_115 = x_114;
+}
+lean_ctor_set(x_115, 0, x_113);
+x_116 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_116, 0, x_115);
+x_117 = lean_box(0);
+x_118 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_118, 0, x_116);
+lean_ctor_set(x_118, 1, x_117);
+x_119 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_119, 0, x_118);
+x_120 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_120, 0, x_119);
+lean_ctor_set(x_120, 1, x_112);
+x_26 = x_120;
+x_27 = x_98;
+goto block_41;
+}
+}
+}
+else
+{
+uint8_t x_121; 
+lean_dec(x_25);
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_4);
+x_121 = !lean_is_exclusive(x_88);
+if (x_121 == 0)
+{
+return x_88;
+}
+else
+{
+lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_122 = lean_ctor_get(x_88, 0);
+x_123 = lean_ctor_get(x_88, 1);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_dec(x_88);
+x_124 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_124, 0, x_122);
+lean_ctor_set(x_124, 1, x_123);
+return x_124;
+}
+}
+}
+}
+else
+{
+lean_object* x_125; lean_object* x_126; 
+lean_dec(x_83);
+lean_dec(x_42);
+lean_inc(x_4);
+x_125 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_125, 0, x_4);
+x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_126, 0, x_125);
+lean_ctor_set(x_126, 1, x_13);
+x_26 = x_126;
+x_27 = x_18;
+goto block_41;
+}
+}
+block_41:
+{
+lean_object* x_28; 
+x_28 = lean_ctor_get(x_26, 0);
+lean_inc(x_28);
+if (lean_obj_tag(x_28) == 0)
+{
+uint8_t x_29; 
+lean_dec(x_25);
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_4);
+x_29 = !lean_is_exclusive(x_26);
+if (x_29 == 0)
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_26, 0);
+lean_dec(x_30);
+x_31 = lean_ctor_get(x_28, 0);
+lean_inc(x_31);
+lean_dec(x_28);
+lean_ctor_set(x_26, 0, x_31);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_26);
+lean_ctor_set(x_32, 1, x_27);
+return x_32;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_33 = lean_ctor_get(x_26, 1);
+lean_inc(x_33);
+lean_dec(x_26);
+x_34 = lean_ctor_get(x_28, 0);
+lean_inc(x_34);
+lean_dec(x_28);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_33);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_27);
+return x_36;
+}
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_26, 1);
+lean_inc(x_37);
+lean_dec(x_26);
+x_38 = lean_ctor_get(x_28, 0);
+lean_inc(x_38);
+lean_dec(x_28);
+x_39 = lean_nat_add(x_9, x_7);
+lean_dec(x_9);
+x_8 = x_25;
+x_9 = x_39;
+x_10 = lean_box(0);
+x_11 = x_38;
+x_13 = x_37;
+x_18 = x_27;
+goto _start;
+}
+}
+}
+else
+{
+lean_object* x_127; lean_object* x_128; 
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+x_127 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_127, 0, x_11);
+lean_ctor_set(x_127, 1, x_13);
+x_128 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_128, 0, x_127);
+lean_ctor_set(x_128, 1, x_18);
+return x_128;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Meta_FindSplitImpl_visit(x_1, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_11 = lean_array_get_size(x_1);
+x_12 = lean_unsigned_to_nat(0u);
+x_13 = lean_unsigned_to_nat(1u);
+lean_inc(x_11);
+x_14 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_14, 0, x_12);
+lean_ctor_set(x_14, 1, x_11);
+lean_ctor_set(x_14, 2, x_13);
+x_15 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__4;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_11);
+x_16 = l_Std_Range_forIn_x27_loop___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__1(x_1, x_3, x_14, x_15, x_12, x_11, x_13, x_11, x_12, lean_box(0), x_15, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_11);
+lean_dec(x_14);
+if (lean_obj_tag(x_16) == 0)
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_17, 0);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+lean_dec(x_18);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_16, 1);
+lean_inc(x_20);
+lean_dec(x_16);
+x_21 = lean_ctor_get(x_17, 1);
+lean_inc(x_21);
+lean_dec(x_17);
+x_22 = l_Lean_Meta_FindSplitImpl_visit(x_2, x_4, x_21, x_6, x_7, x_8, x_9, x_20);
+return x_22;
+}
+else
+{
+uint8_t x_23; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_2);
+x_23 = !lean_is_exclusive(x_16);
+if (x_23 == 0)
+{
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_16, 0);
+lean_dec(x_24);
+x_25 = !lean_is_exclusive(x_17);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; 
+x_26 = lean_ctor_get(x_17, 0);
+lean_dec(x_26);
+x_27 = lean_ctor_get(x_19, 0);
+lean_inc(x_27);
+lean_dec(x_19);
+lean_ctor_set(x_17, 0, x_27);
+return x_16;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_17, 1);
+lean_inc(x_28);
+lean_dec(x_17);
+x_29 = lean_ctor_get(x_19, 0);
+lean_inc(x_29);
+lean_dec(x_19);
+x_30 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_30, 0, x_29);
+lean_ctor_set(x_30, 1, x_28);
+lean_ctor_set(x_16, 0, x_30);
+return x_16;
+}
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_31 = lean_ctor_get(x_16, 1);
+lean_inc(x_31);
+lean_dec(x_16);
+x_32 = lean_ctor_get(x_17, 1);
+lean_inc(x_32);
+if (lean_is_exclusive(x_17)) {
+ lean_ctor_release(x_17, 0);
+ lean_ctor_release(x_17, 1);
+ x_33 = x_17;
+} else {
+ lean_dec_ref(x_17);
+ x_33 = lean_box(0);
+}
+x_34 = lean_ctor_get(x_19, 0);
+lean_inc(x_34);
+lean_dec(x_19);
+if (lean_is_scalar(x_33)) {
+ x_35 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_35 = x_33;
+}
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_32);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_31);
+return x_36;
+}
+}
+}
+else
+{
+uint8_t x_37; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_2);
+x_37 = !lean_is_exclusive(x_16);
+if (x_37 == 0)
+{
+return x_16;
+}
+else
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_16, 0);
+x_39 = lean_ctor_get(x_16, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_16);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_box(0);
+x_2 = lean_array_mk(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___closed__1;
+x_2 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_2, 0, x_1);
+lean_ctor_set(x_2, 1, x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+if (lean_obj_tag(x_1) == 5)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = lean_ctor_get(x_1, 0);
+lean_inc(x_11);
+x_12 = lean_ctor_get(x_1, 1);
+lean_inc(x_12);
+lean_dec(x_1);
+x_13 = lean_array_set(x_2, x_3, x_12);
+x_14 = lean_unsigned_to_nat(1u);
+x_15 = lean_nat_sub(x_3, x_14);
+lean_dec(x_3);
+x_1 = x_11;
+x_2 = x_13;
+x_3 = x_15;
+goto _start;
+}
+else
+{
+uint8_t x_17; 
+lean_dec(x_3);
+x_17 = l_Lean_Expr_hasLooseBVars(x_1);
+if (x_17 == 0)
+{
+lean_object* x_18; 
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_1);
+x_18 = l_Lean_Meta_getFunInfo(x_1, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__2(x_2, x_1, x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_20);
+lean_dec(x_19);
+lean_dec(x_2);
+return x_21;
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_22 = !lean_is_exclusive(x_18);
+if (x_22 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_18, 0);
+x_24 = lean_ctor_get(x_18, 1);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_18);
+x_25 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+return x_25;
+}
+}
+}
+else
+{
+lean_object* x_26; lean_object* x_27; 
+x_26 = l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___closed__2;
+x_27 = l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__2(x_2, x_1, x_26, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_2);
+return x_27;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit_visitApp_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_9 = lean_unsigned_to_nat(0u);
+x_10 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_1, x_9);
+x_11 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___lambda__3___closed__3;
+lean_inc(x_10);
+x_12 = lean_mk_array(x_10, x_11);
+x_13 = lean_unsigned_to_nat(1u);
+x_14 = lean_nat_sub(x_10, x_13);
+lean_dec(x_10);
+x_15 = l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2(x_1, x_12, x_14, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 5:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Meta_FindSplitImpl_visit_visitApp_x3f(x_1, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_10;
+}
+case 6:
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_ctor_get(x_1, 2);
+lean_inc(x_11);
+lean_dec(x_1);
+x_12 = l_Lean_Meta_FindSplitImpl_visit(x_11, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_12;
+}
+case 7:
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_1, 1);
+lean_inc(x_13);
+x_14 = lean_ctor_get(x_1, 2);
+lean_inc(x_14);
+lean_dec(x_1);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_15 = l_Lean_Meta_FindSplitImpl_visit(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+if (lean_obj_tag(x_17) == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_15, 1);
+lean_inc(x_18);
+lean_dec(x_15);
+x_19 = lean_ctor_get(x_16, 1);
+lean_inc(x_19);
+lean_dec(x_16);
+x_20 = l_Lean_Meta_FindSplitImpl_visit(x_14, x_3, x_19, x_5, x_6, x_7, x_8, x_18);
+return x_20;
+}
+else
+{
+uint8_t x_21; 
+lean_dec(x_14);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_21 = !lean_is_exclusive(x_15);
+if (x_21 == 0)
+{
+lean_object* x_22; uint8_t x_23; 
+x_22 = lean_ctor_get(x_15, 0);
+lean_dec(x_22);
+x_23 = !lean_is_exclusive(x_16);
+if (x_23 == 0)
+{
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_16, 0);
+lean_dec(x_24);
+x_25 = !lean_is_exclusive(x_17);
+if (x_25 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; 
+x_26 = lean_ctor_get(x_17, 0);
+lean_inc(x_26);
+lean_dec(x_17);
+x_27 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_16, 0, x_27);
+return x_15;
+}
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_28 = lean_ctor_get(x_16, 1);
+lean_inc(x_28);
+lean_dec(x_16);
+x_29 = lean_ctor_get(x_17, 0);
+lean_inc(x_29);
+if (lean_is_exclusive(x_17)) {
+ lean_ctor_release(x_17, 0);
+ x_30 = x_17;
+} else {
+ lean_dec_ref(x_17);
+ x_30 = lean_box(0);
+}
+if (lean_is_scalar(x_30)) {
+ x_31 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_31 = x_30;
+}
+lean_ctor_set(x_31, 0, x_29);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_28);
+lean_ctor_set(x_15, 0, x_32);
+return x_15;
+}
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_33 = lean_ctor_get(x_15, 1);
+lean_inc(x_33);
+lean_dec(x_15);
+x_34 = lean_ctor_get(x_16, 1);
+lean_inc(x_34);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ x_35 = x_16;
+} else {
+ lean_dec_ref(x_16);
+ x_35 = lean_box(0);
+}
+x_36 = lean_ctor_get(x_17, 0);
+lean_inc(x_36);
+if (lean_is_exclusive(x_17)) {
+ lean_ctor_release(x_17, 0);
+ x_37 = x_17;
+} else {
+ lean_dec_ref(x_17);
+ x_37 = lean_box(0);
+}
+if (lean_is_scalar(x_37)) {
+ x_38 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_38 = x_37;
+}
+lean_ctor_set(x_38, 0, x_36);
+if (lean_is_scalar(x_35)) {
+ x_39 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_39 = x_35;
+}
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_34);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_33);
+return x_40;
+}
+}
+}
+else
+{
+uint8_t x_41; 
+lean_dec(x_14);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_41 = !lean_is_exclusive(x_15);
+if (x_41 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_15, 0);
+x_43 = lean_ctor_get(x_15, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_15);
+x_44 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_44, 0, x_42);
+lean_ctor_set(x_44, 1, x_43);
+return x_44;
+}
+}
+}
+case 8:
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_1, 2);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_1, 3);
+lean_inc(x_46);
+lean_dec(x_1);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_47 = l_Lean_Meta_FindSplitImpl_visit(x_45, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_47) == 0)
+{
+lean_object* x_48; lean_object* x_49; 
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+if (lean_obj_tag(x_49) == 0)
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_47, 1);
+lean_inc(x_50);
+lean_dec(x_47);
+x_51 = lean_ctor_get(x_48, 1);
+lean_inc(x_51);
+lean_dec(x_48);
+x_52 = l_Lean_Meta_FindSplitImpl_visit(x_46, x_3, x_51, x_5, x_6, x_7, x_8, x_50);
+return x_52;
+}
+else
+{
+uint8_t x_53; 
+lean_dec(x_46);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_53 = !lean_is_exclusive(x_47);
+if (x_53 == 0)
+{
+lean_object* x_54; uint8_t x_55; 
+x_54 = lean_ctor_get(x_47, 0);
+lean_dec(x_54);
+x_55 = !lean_is_exclusive(x_48);
+if (x_55 == 0)
+{
+lean_object* x_56; uint8_t x_57; 
+x_56 = lean_ctor_get(x_48, 0);
+lean_dec(x_56);
+x_57 = !lean_is_exclusive(x_49);
+if (x_57 == 0)
+{
+return x_47;
+}
+else
+{
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_49, 0);
+lean_inc(x_58);
+lean_dec(x_49);
+x_59 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_59, 0, x_58);
+lean_ctor_set(x_48, 0, x_59);
+return x_47;
+}
+}
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_60 = lean_ctor_get(x_48, 1);
+lean_inc(x_60);
+lean_dec(x_48);
+x_61 = lean_ctor_get(x_49, 0);
+lean_inc(x_61);
+if (lean_is_exclusive(x_49)) {
+ lean_ctor_release(x_49, 0);
+ x_62 = x_49;
+} else {
+ lean_dec_ref(x_49);
+ x_62 = lean_box(0);
+}
+if (lean_is_scalar(x_62)) {
+ x_63 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_63 = x_62;
+}
+lean_ctor_set(x_63, 0, x_61);
+x_64 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_64, 0, x_63);
+lean_ctor_set(x_64, 1, x_60);
+lean_ctor_set(x_47, 0, x_64);
+return x_47;
+}
+}
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_65 = lean_ctor_get(x_47, 1);
+lean_inc(x_65);
+lean_dec(x_47);
+x_66 = lean_ctor_get(x_48, 1);
+lean_inc(x_66);
+if (lean_is_exclusive(x_48)) {
+ lean_ctor_release(x_48, 0);
+ lean_ctor_release(x_48, 1);
+ x_67 = x_48;
+} else {
+ lean_dec_ref(x_48);
+ x_67 = lean_box(0);
+}
+x_68 = lean_ctor_get(x_49, 0);
+lean_inc(x_68);
+if (lean_is_exclusive(x_49)) {
+ lean_ctor_release(x_49, 0);
+ x_69 = x_49;
+} else {
+ lean_dec_ref(x_49);
+ x_69 = lean_box(0);
+}
+if (lean_is_scalar(x_69)) {
+ x_70 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_70 = x_69;
+}
+lean_ctor_set(x_70, 0, x_68);
+if (lean_is_scalar(x_67)) {
+ x_71 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_71 = x_67;
+}
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_66);
+x_72 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_72, 0, x_71);
+lean_ctor_set(x_72, 1, x_65);
+return x_72;
+}
+}
+}
+else
+{
+uint8_t x_73; 
+lean_dec(x_46);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_73 = !lean_is_exclusive(x_47);
+if (x_73 == 0)
+{
+return x_47;
+}
+else
+{
+lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_47, 0);
+x_75 = lean_ctor_get(x_47, 1);
+lean_inc(x_75);
+lean_inc(x_74);
+lean_dec(x_47);
+x_76 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_76, 0, x_74);
+lean_ctor_set(x_76, 1, x_75);
+return x_76;
+}
+}
+}
+case 10:
+{
+lean_object* x_77; lean_object* x_78; 
+x_77 = lean_ctor_get(x_1, 1);
+lean_inc(x_77);
+lean_dec(x_1);
+x_78 = l_Lean_Meta_FindSplitImpl_visit(x_77, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_78;
+}
+case 11:
+{
+lean_object* x_79; lean_object* x_80; 
+x_79 = lean_ctor_get(x_1, 2);
+lean_inc(x_79);
+lean_dec(x_1);
+x_80 = l_Lean_Meta_FindSplitImpl_visit(x_79, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_80;
+}
+default: 
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_81 = lean_box(0);
+x_82 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_82, 0, x_81);
+lean_ctor_set(x_82, 1, x_4);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_82);
+lean_ctor_set(x_83, 1, x_9);
+return x_83;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_107; lean_object* x_108; size_t x_109; uint64_t x_110; uint64_t x_111; uint64_t x_112; uint64_t x_113; uint64_t x_114; uint64_t x_115; uint64_t x_116; uint64_t x_117; uint64_t x_118; size_t x_119; size_t x_120; size_t x_121; size_t x_122; size_t x_123; lean_object* x_124; uint8_t x_125; 
+x_107 = lean_ctor_get(x_3, 1);
+lean_inc(x_107);
+x_108 = lean_array_get_size(x_107);
+x_109 = lean_ptr_addr(x_1);
+x_110 = lean_usize_to_uint64(x_109);
+x_111 = 11;
+x_112 = lean_uint64_mix_hash(x_110, x_111);
+x_113 = 32;
+x_114 = lean_uint64_shift_right(x_112, x_113);
+x_115 = lean_uint64_xor(x_112, x_114);
+x_116 = 16;
+x_117 = lean_uint64_shift_right(x_115, x_116);
+x_118 = lean_uint64_xor(x_115, x_117);
+x_119 = lean_uint64_to_usize(x_118);
+x_120 = lean_usize_of_nat(x_108);
+lean_dec(x_108);
+x_121 = 1;
+x_122 = lean_usize_sub(x_120, x_121);
+x_123 = lean_usize_land(x_119, x_122);
+x_124 = lean_array_uget(x_107, x_123);
+lean_dec(x_107);
+x_125 = l_Std_DHashMap_Internal_AssocList_contains___at_Lean_Expr_NumObjs_visit___spec__1(x_1, x_124);
+lean_dec(x_124);
+if (x_125 == 0)
+{
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
+x_126 = lean_box(0);
+lean_inc(x_1);
+x_127 = l_Lean_Meta_FindSplitImpl_checkVisited___lambda__1(x_1, x_126, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_128 = lean_ctor_get(x_127, 0);
+lean_inc(x_128);
+x_129 = lean_ctor_get(x_127, 1);
+lean_inc(x_129);
+lean_dec(x_127);
+x_9 = x_128;
+x_10 = x_129;
+goto block_106;
+}
+else
+{
+lean_object* x_130; lean_object* x_131; 
+x_130 = lean_box(0);
+x_131 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_131, 0, x_130);
+lean_ctor_set(x_131, 1, x_3);
+x_9 = x_131;
+x_10 = x_8;
+goto block_106;
+}
+block_106:
+{
+lean_object* x_11; 
+x_11 = lean_ctor_get(x_9, 0);
+lean_inc(x_11);
+if (lean_obj_tag(x_11) == 0)
+{
+uint8_t x_12; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_12 = !lean_is_exclusive(x_9);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_9, 0);
+lean_dec(x_13);
+x_14 = lean_box(0);
+lean_ctor_set(x_9, 0, x_14);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_9);
+lean_ctor_set(x_15, 1, x_10);
+return x_15;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_16 = lean_ctor_get(x_9, 1);
+lean_inc(x_16);
+lean_dec(x_9);
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_10);
+return x_19;
+}
+}
+else
+{
+uint8_t x_20; 
+lean_dec(x_11);
+x_20 = !lean_is_exclusive(x_9);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_21 = lean_ctor_get(x_9, 1);
+x_22 = lean_ctor_get(x_9, 0);
+lean_dec(x_22);
+x_23 = lean_st_ref_get(x_7, x_10);
+x_24 = !lean_is_exclusive(x_23);
+if (x_24 == 0)
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_25 = lean_ctor_get(x_23, 0);
+x_26 = lean_ctor_get(x_23, 1);
+x_27 = lean_ctor_get(x_25, 0);
+lean_inc(x_27);
+lean_dec(x_25);
+lean_inc(x_1);
+x_28 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f(x_27, x_2, x_1);
+lean_dec(x_27);
+if (lean_obj_tag(x_28) == 0)
+{
+uint8_t x_29; 
+lean_free_object(x_23);
+x_29 = l_Lean_Expr_hasLooseBVars(x_1);
+if (x_29 == 0)
+{
+lean_object* x_30; 
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_1);
+x_30 = l_Lean_Meta_isProof(x_1, x_4, x_5, x_6, x_7, x_26);
+if (lean_obj_tag(x_30) == 0)
+{
+lean_object* x_31; uint8_t x_32; 
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+x_32 = lean_unbox(x_31);
+lean_dec(x_31);
+if (x_32 == 0)
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+lean_free_object(x_9);
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_box(0);
+x_35 = l_Lean_Meta_FindSplitImpl_visit___lambda__1(x_1, x_34, x_2, x_21, x_4, x_5, x_6, x_7, x_33);
+return x_35;
+}
+else
+{
+uint8_t x_36; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_36 = !lean_is_exclusive(x_30);
+if (x_36 == 0)
+{
+lean_object* x_37; lean_object* x_38; 
+x_37 = lean_ctor_get(x_30, 0);
+lean_dec(x_37);
+x_38 = lean_box(0);
+lean_ctor_set(x_9, 0, x_38);
+lean_ctor_set(x_30, 0, x_9);
+return x_30;
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_39 = lean_ctor_get(x_30, 1);
+lean_inc(x_39);
+lean_dec(x_30);
+x_40 = lean_box(0);
+lean_ctor_set(x_9, 0, x_40);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_9);
+lean_ctor_set(x_41, 1, x_39);
+return x_41;
+}
+}
+}
+else
+{
+uint8_t x_42; 
+lean_free_object(x_9);
+lean_dec(x_21);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_42 = !lean_is_exclusive(x_30);
+if (x_42 == 0)
+{
+return x_30;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_30, 0);
+x_44 = lean_ctor_get(x_30, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_30);
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
+}
+}
+}
+else
+{
+lean_object* x_46; lean_object* x_47; 
+lean_free_object(x_9);
+x_46 = lean_box(0);
+x_47 = l_Lean_Meta_FindSplitImpl_visit___lambda__1(x_1, x_46, x_2, x_21, x_4, x_5, x_6, x_7, x_26);
+return x_47;
+}
+}
+else
+{
+uint8_t x_48; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_48 = !lean_is_exclusive(x_28);
+if (x_48 == 0)
+{
+lean_ctor_set(x_9, 0, x_28);
+lean_ctor_set(x_23, 0, x_9);
+return x_23;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = lean_ctor_get(x_28, 0);
+lean_inc(x_49);
+lean_dec(x_28);
+x_50 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_50, 0, x_49);
+lean_ctor_set(x_9, 0, x_50);
+lean_ctor_set(x_23, 0, x_9);
+return x_23;
+}
+}
+}
+else
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_51 = lean_ctor_get(x_23, 0);
+x_52 = lean_ctor_get(x_23, 1);
+lean_inc(x_52);
+lean_inc(x_51);
+lean_dec(x_23);
+x_53 = lean_ctor_get(x_51, 0);
+lean_inc(x_53);
+lean_dec(x_51);
+lean_inc(x_1);
+x_54 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f(x_53, x_2, x_1);
+lean_dec(x_53);
+if (lean_obj_tag(x_54) == 0)
+{
+uint8_t x_55; 
+x_55 = l_Lean_Expr_hasLooseBVars(x_1);
+if (x_55 == 0)
+{
+lean_object* x_56; 
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_1);
+x_56 = l_Lean_Meta_isProof(x_1, x_4, x_5, x_6, x_7, x_52);
+if (lean_obj_tag(x_56) == 0)
+{
+lean_object* x_57; uint8_t x_58; 
+x_57 = lean_ctor_get(x_56, 0);
+lean_inc(x_57);
+x_58 = lean_unbox(x_57);
+lean_dec(x_57);
+if (x_58 == 0)
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+lean_free_object(x_9);
+x_59 = lean_ctor_get(x_56, 1);
+lean_inc(x_59);
+lean_dec(x_56);
+x_60 = lean_box(0);
+x_61 = l_Lean_Meta_FindSplitImpl_visit___lambda__1(x_1, x_60, x_2, x_21, x_4, x_5, x_6, x_7, x_59);
+return x_61;
+}
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_62 = lean_ctor_get(x_56, 1);
+lean_inc(x_62);
+if (lean_is_exclusive(x_56)) {
+ lean_ctor_release(x_56, 0);
+ lean_ctor_release(x_56, 1);
+ x_63 = x_56;
+} else {
+ lean_dec_ref(x_56);
+ x_63 = lean_box(0);
+}
+x_64 = lean_box(0);
+lean_ctor_set(x_9, 0, x_64);
+if (lean_is_scalar(x_63)) {
+ x_65 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_65 = x_63;
+}
+lean_ctor_set(x_65, 0, x_9);
+lean_ctor_set(x_65, 1, x_62);
+return x_65;
+}
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+lean_free_object(x_9);
+lean_dec(x_21);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_66 = lean_ctor_get(x_56, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_56, 1);
+lean_inc(x_67);
+if (lean_is_exclusive(x_56)) {
+ lean_ctor_release(x_56, 0);
+ lean_ctor_release(x_56, 1);
+ x_68 = x_56;
+} else {
+ lean_dec_ref(x_56);
+ x_68 = lean_box(0);
+}
+if (lean_is_scalar(x_68)) {
+ x_69 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_69 = x_68;
+}
+lean_ctor_set(x_69, 0, x_66);
+lean_ctor_set(x_69, 1, x_67);
+return x_69;
+}
+}
+else
+{
+lean_object* x_70; lean_object* x_71; 
+lean_free_object(x_9);
+x_70 = lean_box(0);
+x_71 = l_Lean_Meta_FindSplitImpl_visit___lambda__1(x_1, x_70, x_2, x_21, x_4, x_5, x_6, x_7, x_52);
+return x_71;
+}
+}
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_72 = lean_ctor_get(x_54, 0);
+lean_inc(x_72);
+if (lean_is_exclusive(x_54)) {
+ lean_ctor_release(x_54, 0);
+ x_73 = x_54;
+} else {
+ lean_dec_ref(x_54);
+ x_73 = lean_box(0);
+}
+if (lean_is_scalar(x_73)) {
+ x_74 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_74 = x_73;
+}
+lean_ctor_set(x_74, 0, x_72);
+lean_ctor_set(x_9, 0, x_74);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_9);
+lean_ctor_set(x_75, 1, x_52);
+return x_75;
+}
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_76 = lean_ctor_get(x_9, 1);
+lean_inc(x_76);
+lean_dec(x_9);
+x_77 = lean_st_ref_get(x_7, x_10);
+x_78 = lean_ctor_get(x_77, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_77, 1);
+lean_inc(x_79);
+if (lean_is_exclusive(x_77)) {
+ lean_ctor_release(x_77, 0);
+ lean_ctor_release(x_77, 1);
+ x_80 = x_77;
+} else {
+ lean_dec_ref(x_77);
+ x_80 = lean_box(0);
+}
+x_81 = lean_ctor_get(x_78, 0);
+lean_inc(x_81);
+lean_dec(x_78);
+lean_inc(x_1);
+x_82 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f(x_81, x_2, x_1);
+lean_dec(x_81);
+if (lean_obj_tag(x_82) == 0)
+{
+uint8_t x_83; 
+lean_dec(x_80);
+x_83 = l_Lean_Expr_hasLooseBVars(x_1);
+if (x_83 == 0)
+{
+lean_object* x_84; 
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_1);
+x_84 = l_Lean_Meta_isProof(x_1, x_4, x_5, x_6, x_7, x_79);
+if (lean_obj_tag(x_84) == 0)
+{
+lean_object* x_85; uint8_t x_86; 
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_unbox(x_85);
+lean_dec(x_85);
+if (x_86 == 0)
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_87 = lean_ctor_get(x_84, 1);
+lean_inc(x_87);
+lean_dec(x_84);
+x_88 = lean_box(0);
+x_89 = l_Lean_Meta_FindSplitImpl_visit___lambda__1(x_1, x_88, x_2, x_76, x_4, x_5, x_6, x_7, x_87);
+return x_89;
+}
+else
+{
+lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_90 = lean_ctor_get(x_84, 1);
+lean_inc(x_90);
+if (lean_is_exclusive(x_84)) {
+ lean_ctor_release(x_84, 0);
+ lean_ctor_release(x_84, 1);
+ x_91 = x_84;
+} else {
+ lean_dec_ref(x_84);
+ x_91 = lean_box(0);
+}
+x_92 = lean_box(0);
+x_93 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_93, 0, x_92);
+lean_ctor_set(x_93, 1, x_76);
+if (lean_is_scalar(x_91)) {
+ x_94 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_94 = x_91;
+}
+lean_ctor_set(x_94, 0, x_93);
+lean_ctor_set(x_94, 1, x_90);
+return x_94;
+}
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
+lean_dec(x_76);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_95 = lean_ctor_get(x_84, 0);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_84, 1);
+lean_inc(x_96);
+if (lean_is_exclusive(x_84)) {
+ lean_ctor_release(x_84, 0);
+ lean_ctor_release(x_84, 1);
+ x_97 = x_84;
+} else {
+ lean_dec_ref(x_84);
+ x_97 = lean_box(0);
+}
+if (lean_is_scalar(x_97)) {
+ x_98 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_98 = x_97;
+}
+lean_ctor_set(x_98, 0, x_95);
+lean_ctor_set(x_98, 1, x_96);
+return x_98;
+}
+}
+else
+{
+lean_object* x_99; lean_object* x_100; 
+x_99 = lean_box(0);
+x_100 = l_Lean_Meta_FindSplitImpl_visit___lambda__1(x_1, x_99, x_2, x_76, x_4, x_5, x_6, x_7, x_79);
+return x_100;
+}
+}
+else
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_101 = lean_ctor_get(x_82, 0);
+lean_inc(x_101);
+if (lean_is_exclusive(x_82)) {
+ lean_ctor_release(x_82, 0);
+ x_102 = x_82;
+} else {
+ lean_dec_ref(x_82);
+ x_102 = lean_box(0);
+}
+if (lean_is_scalar(x_102)) {
+ x_103 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_103 = x_102;
+}
+lean_ctor_set(x_103, 0, x_101);
+x_104 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_104, 0, x_103);
+lean_ctor_set(x_104, 1, x_76);
+if (lean_is_scalar(x_80)) {
+ x_105 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_105 = x_80;
+}
+lean_ctor_set(x_105, 0, x_104);
+lean_ctor_set(x_105, 1, x_79);
+return x_105;
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_x27_loop___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__1___boxed(lean_object** _args) {
+lean_object* x_1 = _args[0];
+lean_object* x_2 = _args[1];
+lean_object* x_3 = _args[2];
+lean_object* x_4 = _args[3];
+lean_object* x_5 = _args[4];
+lean_object* x_6 = _args[5];
+lean_object* x_7 = _args[6];
+lean_object* x_8 = _args[7];
+lean_object* x_9 = _args[8];
+lean_object* x_10 = _args[9];
+lean_object* x_11 = _args[10];
+lean_object* x_12 = _args[11];
+lean_object* x_13 = _args[12];
+lean_object* x_14 = _args[13];
+lean_object* x_15 = _args[14];
+lean_object* x_16 = _args[15];
+lean_object* x_17 = _args[16];
+lean_object* x_18 = _args[17];
+_start:
+{
+lean_object* x_19; 
+x_19 = l_Std_Range_forIn_x27_loop___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
+lean_dec(x_12);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_19;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l_Lean_Expr_withAppAux___at_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_4);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit_visitApp_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Meta_FindSplitImpl_visit_visitApp_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Meta_FindSplitImpl_visit___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_FindSplitImpl_visit___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Meta_FindSplitImpl_visit(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_2);
+return x_9;
+}
+}
+static lean_object* _init_l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(64u);
+x_2 = l_Lean_mkPtrSet___rarg(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_9 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_9, 0, x_2);
+lean_ctor_set_uint8(x_9, sizeof(void*)*1, x_1);
+x_10 = l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1___closed__1;
+x_11 = l_Lean_Meta_FindSplitImpl_visit(x_3, x_9, x_10, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_9);
+if (lean_obj_tag(x_11) == 0)
+{
+uint8_t x_12; 
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+lean_dec(x_13);
+lean_ctor_set(x_11, 0, x_14);
+return x_11;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_15 = lean_ctor_get(x_11, 0);
+x_16 = lean_ctor_get(x_11, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_11);
+x_17 = lean_ctor_get(x_15, 0);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
+}
+}
+else
+{
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_11);
+if (x_19 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_11, 0);
+x_21 = lean_ctor_get(x_11, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_11);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+uint8_t x_9; lean_object* x_10; 
+x_9 = lean_unbox(x_1);
+lean_dec(x_1);
+x_10 = l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1(x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; lean_object* x_9; 
+x_8 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_8, 0, x_1);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_7);
+return x_9;
+}
+}
+static lean_object* _init_l_Lean_Meta_findSplit_x3f_find_x3f___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("split", 5, 5);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_findSplit_x3f_find_x3f___closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("debug", 5, 5);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_findSplit_x3f_find_x3f___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__1;
+x_2 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__2;
+x_3 = l_Lean_Name_mkStr2(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_findSplit_x3f_find_x3f___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("candidate:", 10, 10);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_findSplit_x3f_find_x3f___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__4;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_findSplit_x3f_find_x3f___closed__6() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("", 0, 0);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_findSplit_x3f_find_x3f___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__6;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_9 = l_Lean_Meta_findSplit_x3f_find_x3f_unsafe__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+if (lean_obj_tag(x_9) == 0)
+{
+lean_object* x_10; 
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+if (lean_obj_tag(x_10) == 0)
+{
+uint8_t x_11; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_11 = !lean_is_exclusive(x_9);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_9, 0);
+lean_dec(x_12);
+x_13 = lean_box(0);
+lean_ctor_set(x_9, 0, x_13);
+return x_9;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_9, 1);
+lean_inc(x_14);
+lean_dec(x_9);
+x_15 = lean_box(0);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
+x_17 = lean_ctor_get(x_9, 1);
+lean_inc(x_17);
+lean_dec(x_9);
+x_18 = lean_ctor_get(x_10, 0);
+lean_inc(x_18);
+lean_dec(x_10);
+x_19 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__3;
+x_20 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_19, x_4, x_5, x_6, x_7, x_17);
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_unbox(x_21);
+lean_dec(x_21);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_20, 1);
+lean_inc(x_23);
+lean_dec(x_20);
+x_24 = lean_box(0);
+x_25 = l_Lean_Meta_findSplit_x3f_find_x3f___lambda__1(x_18, x_24, x_4, x_5, x_6, x_7, x_23);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_25;
+}
+else
+{
+uint8_t x_26; 
+x_26 = !lean_is_exclusive(x_20);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_27 = lean_ctor_get(x_20, 1);
+x_28 = lean_ctor_get(x_20, 0);
+lean_dec(x_28);
+lean_inc(x_18);
+x_29 = l_Lean_indentExpr(x_18);
+x_30 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__5;
+lean_ctor_set_tag(x_20, 7);
+lean_ctor_set(x_20, 1, x_29);
+lean_ctor_set(x_20, 0, x_30);
+x_31 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_32 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_32, 0, x_20);
+lean_ctor_set(x_32, 1, x_31);
+x_33 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_19, x_32, x_4, x_5, x_6, x_7, x_27);
+x_34 = lean_ctor_get(x_33, 0);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_33, 1);
+lean_inc(x_35);
+lean_dec(x_33);
+x_36 = l_Lean_Meta_findSplit_x3f_find_x3f___lambda__1(x_18, x_34, x_4, x_5, x_6, x_7, x_35);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_34);
+return x_36;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_37 = lean_ctor_get(x_20, 1);
+lean_inc(x_37);
+lean_dec(x_20);
+lean_inc(x_18);
+x_38 = l_Lean_indentExpr(x_18);
+x_39 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__5;
+x_40 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_38);
+x_41 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_42 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+x_43 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_19, x_42, x_4, x_5, x_6, x_7, x_37);
+x_44 = lean_ctor_get(x_43, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
+x_46 = l_Lean_Meta_findSplit_x3f_find_x3f___lambda__1(x_18, x_44, x_4, x_5, x_6, x_7, x_45);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_44);
+return x_46;
+}
+}
+}
+}
+else
+{
+uint8_t x_47; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_47 = !lean_is_exclusive(x_9);
+if (x_47 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_9, 0);
+x_49 = lean_ctor_get(x_9, 1);
+lean_inc(x_49);
+lean_inc(x_48);
+lean_dec(x_9);
+x_50 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+return x_50;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Lean_Meta_findSplit_x3f_find_x3f___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_find_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+uint8_t x_9; lean_object* x_10; 
+x_9 = lean_unbox(x_1);
+lean_dec(x_1);
+x_10 = l_Lean_Meta_findSplit_x3f_find_x3f(x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_go(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_2);
+x_9 = l_Lean_Meta_findSplit_x3f_find_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+if (lean_obj_tag(x_9) == 0)
+{
+lean_object* x_10; 
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+if (lean_obj_tag(x_10) == 0)
+{
+uint8_t x_11; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+x_11 = !lean_is_exclusive(x_9);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_9, 0);
+lean_dec(x_12);
+x_13 = lean_box(0);
+lean_ctor_set(x_9, 0, x_13);
+return x_9;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_9, 1);
+lean_inc(x_14);
+lean_dec(x_9);
+x_15 = lean_box(0);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+}
+else
+{
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_9);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_18 = lean_ctor_get(x_9, 1);
+x_19 = lean_ctor_get(x_9, 0);
+lean_dec(x_19);
+x_20 = !lean_is_exclusive(x_10);
+if (x_20 == 0)
+{
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_ctor_get(x_10, 0);
+x_22 = l_Lean_Expr_isIte(x_21);
+if (x_22 == 0)
+{
+uint8_t x_23; 
+x_23 = l_Lean_Expr_isDIte(x_21);
+if (x_23 == 0)
+{
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+return x_9;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+lean_free_object(x_9);
+x_24 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_25 = l_Lean_Expr_getRevArg_x21(x_21, x_24);
+x_26 = l_Lean_Meta_findSplit_x3f_go(x_1, x_2, x_25, x_4, x_5, x_6, x_7, x_18);
+if (lean_obj_tag(x_26) == 0)
+{
+lean_object* x_27; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+if (lean_obj_tag(x_27) == 0)
+{
+uint8_t x_28; 
+x_28 = !lean_is_exclusive(x_26);
+if (x_28 == 0)
+{
+lean_object* x_29; 
+x_29 = lean_ctor_get(x_26, 0);
+lean_dec(x_29);
+lean_ctor_set(x_26, 0, x_10);
+return x_26;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; 
+x_30 = lean_ctor_get(x_26, 1);
+lean_inc(x_30);
+lean_dec(x_26);
+x_31 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_31, 0, x_10);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
+}
+}
+else
+{
+uint8_t x_32; 
+lean_free_object(x_10);
+lean_dec(x_21);
+x_32 = !lean_is_exclusive(x_26);
+if (x_32 == 0)
+{
+lean_object* x_33; uint8_t x_34; 
+x_33 = lean_ctor_get(x_26, 0);
+lean_dec(x_33);
+x_34 = !lean_is_exclusive(x_27);
+if (x_34 == 0)
+{
+return x_26;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_27, 0);
+lean_inc(x_35);
+lean_dec(x_27);
+x_36 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_26, 0, x_36);
+return x_26;
+}
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_37 = lean_ctor_get(x_26, 1);
+lean_inc(x_37);
+lean_dec(x_26);
+x_38 = lean_ctor_get(x_27, 0);
+lean_inc(x_38);
+if (lean_is_exclusive(x_27)) {
+ lean_ctor_release(x_27, 0);
+ x_39 = x_27;
+} else {
+ lean_dec_ref(x_27);
+ x_39 = lean_box(0);
+}
+if (lean_is_scalar(x_39)) {
+ x_40 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_40 = x_39;
+}
+lean_ctor_set(x_40, 0, x_38);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_37);
+return x_41;
+}
+}
+}
+else
+{
+uint8_t x_42; 
+lean_free_object(x_10);
+lean_dec(x_21);
+x_42 = !lean_is_exclusive(x_26);
+if (x_42 == 0)
+{
+return x_26;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_26, 0);
+x_44 = lean_ctor_get(x_26, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_26);
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
+}
+}
+}
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+lean_free_object(x_9);
+x_46 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_47 = l_Lean_Expr_getRevArg_x21(x_21, x_46);
+x_48 = l_Lean_Meta_findSplit_x3f_go(x_1, x_2, x_47, x_4, x_5, x_6, x_7, x_18);
+if (lean_obj_tag(x_48) == 0)
+{
+lean_object* x_49; 
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+if (lean_obj_tag(x_49) == 0)
+{
+uint8_t x_50; 
+x_50 = !lean_is_exclusive(x_48);
+if (x_50 == 0)
+{
+lean_object* x_51; 
+x_51 = lean_ctor_get(x_48, 0);
+lean_dec(x_51);
+lean_ctor_set(x_48, 0, x_10);
+return x_48;
+}
+else
+{
+lean_object* x_52; lean_object* x_53; 
+x_52 = lean_ctor_get(x_48, 1);
+lean_inc(x_52);
+lean_dec(x_48);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_10);
+lean_ctor_set(x_53, 1, x_52);
+return x_53;
+}
+}
+else
+{
+uint8_t x_54; 
+lean_free_object(x_10);
+lean_dec(x_21);
+x_54 = !lean_is_exclusive(x_48);
+if (x_54 == 0)
+{
+lean_object* x_55; uint8_t x_56; 
+x_55 = lean_ctor_get(x_48, 0);
+lean_dec(x_55);
+x_56 = !lean_is_exclusive(x_49);
+if (x_56 == 0)
+{
+return x_48;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_49, 0);
+lean_inc(x_57);
+lean_dec(x_49);
+x_58 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_58, 0, x_57);
+lean_ctor_set(x_48, 0, x_58);
+return x_48;
+}
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_59 = lean_ctor_get(x_48, 1);
+lean_inc(x_59);
+lean_dec(x_48);
+x_60 = lean_ctor_get(x_49, 0);
+lean_inc(x_60);
+if (lean_is_exclusive(x_49)) {
+ lean_ctor_release(x_49, 0);
+ x_61 = x_49;
+} else {
+ lean_dec_ref(x_49);
+ x_61 = lean_box(0);
+}
+if (lean_is_scalar(x_61)) {
+ x_62 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_62 = x_61;
+}
+lean_ctor_set(x_62, 0, x_60);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_59);
+return x_63;
+}
+}
+}
+else
+{
+uint8_t x_64; 
+lean_free_object(x_10);
+lean_dec(x_21);
+x_64 = !lean_is_exclusive(x_48);
+if (x_64 == 0)
+{
+return x_48;
+}
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_65 = lean_ctor_get(x_48, 0);
+x_66 = lean_ctor_get(x_48, 1);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_dec(x_48);
+x_67 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_67, 0, x_65);
+lean_ctor_set(x_67, 1, x_66);
+return x_67;
+}
+}
+}
+}
+else
+{
+lean_object* x_68; uint8_t x_69; 
+x_68 = lean_ctor_get(x_10, 0);
+lean_inc(x_68);
+lean_dec(x_10);
+x_69 = l_Lean_Expr_isIte(x_68);
+if (x_69 == 0)
+{
+uint8_t x_70; 
+x_70 = l_Lean_Expr_isDIte(x_68);
+if (x_70 == 0)
+{
+lean_object* x_71; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+x_71 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_71, 0, x_68);
+lean_ctor_set(x_9, 0, x_71);
+return x_9;
+}
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+lean_free_object(x_9);
+x_72 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_73 = l_Lean_Expr_getRevArg_x21(x_68, x_72);
+x_74 = l_Lean_Meta_findSplit_x3f_go(x_1, x_2, x_73, x_4, x_5, x_6, x_7, x_18);
+if (lean_obj_tag(x_74) == 0)
+{
+lean_object* x_75; 
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+if (lean_obj_tag(x_75) == 0)
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+if (lean_is_exclusive(x_74)) {
+ lean_ctor_release(x_74, 0);
+ lean_ctor_release(x_74, 1);
+ x_77 = x_74;
+} else {
+ lean_dec_ref(x_74);
+ x_77 = lean_box(0);
+}
+x_78 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_78, 0, x_68);
+if (lean_is_scalar(x_77)) {
+ x_79 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_79 = x_77;
+}
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_76);
+return x_79;
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+lean_dec(x_68);
+x_80 = lean_ctor_get(x_74, 1);
+lean_inc(x_80);
+if (lean_is_exclusive(x_74)) {
+ lean_ctor_release(x_74, 0);
+ lean_ctor_release(x_74, 1);
+ x_81 = x_74;
+} else {
+ lean_dec_ref(x_74);
+ x_81 = lean_box(0);
+}
+x_82 = lean_ctor_get(x_75, 0);
+lean_inc(x_82);
+if (lean_is_exclusive(x_75)) {
+ lean_ctor_release(x_75, 0);
+ x_83 = x_75;
+} else {
+ lean_dec_ref(x_75);
+ x_83 = lean_box(0);
+}
+if (lean_is_scalar(x_83)) {
+ x_84 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_84 = x_83;
+}
+lean_ctor_set(x_84, 0, x_82);
+if (lean_is_scalar(x_81)) {
+ x_85 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_85 = x_81;
+}
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_80);
+return x_85;
+}
+}
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+lean_dec(x_68);
+x_86 = lean_ctor_get(x_74, 0);
+lean_inc(x_86);
+x_87 = lean_ctor_get(x_74, 1);
+lean_inc(x_87);
+if (lean_is_exclusive(x_74)) {
+ lean_ctor_release(x_74, 0);
+ lean_ctor_release(x_74, 1);
+ x_88 = x_74;
+} else {
+ lean_dec_ref(x_74);
+ x_88 = lean_box(0);
+}
+if (lean_is_scalar(x_88)) {
+ x_89 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_89 = x_88;
+}
+lean_ctor_set(x_89, 0, x_86);
+lean_ctor_set(x_89, 1, x_87);
+return x_89;
+}
+}
+}
+else
+{
+lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+lean_free_object(x_9);
+x_90 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_91 = l_Lean_Expr_getRevArg_x21(x_68, x_90);
+x_92 = l_Lean_Meta_findSplit_x3f_go(x_1, x_2, x_91, x_4, x_5, x_6, x_7, x_18);
+if (lean_obj_tag(x_92) == 0)
+{
+lean_object* x_93; 
+x_93 = lean_ctor_get(x_92, 0);
+lean_inc(x_93);
+if (lean_obj_tag(x_93) == 0)
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = lean_ctor_get(x_92, 1);
+lean_inc(x_94);
+if (lean_is_exclusive(x_92)) {
+ lean_ctor_release(x_92, 0);
+ lean_ctor_release(x_92, 1);
+ x_95 = x_92;
+} else {
+ lean_dec_ref(x_92);
+ x_95 = lean_box(0);
+}
+x_96 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_96, 0, x_68);
+if (lean_is_scalar(x_95)) {
+ x_97 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_97 = x_95;
+}
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_94);
+return x_97;
+}
+else
+{
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
+lean_dec(x_68);
+x_98 = lean_ctor_get(x_92, 1);
+lean_inc(x_98);
+if (lean_is_exclusive(x_92)) {
+ lean_ctor_release(x_92, 0);
+ lean_ctor_release(x_92, 1);
+ x_99 = x_92;
+} else {
+ lean_dec_ref(x_92);
+ x_99 = lean_box(0);
+}
+x_100 = lean_ctor_get(x_93, 0);
+lean_inc(x_100);
+if (lean_is_exclusive(x_93)) {
+ lean_ctor_release(x_93, 0);
+ x_101 = x_93;
+} else {
+ lean_dec_ref(x_93);
+ x_101 = lean_box(0);
+}
+if (lean_is_scalar(x_101)) {
+ x_102 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_102 = x_101;
+}
+lean_ctor_set(x_102, 0, x_100);
+if (lean_is_scalar(x_99)) {
+ x_103 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_103 = x_99;
+}
+lean_ctor_set(x_103, 0, x_102);
+lean_ctor_set(x_103, 1, x_98);
+return x_103;
+}
+}
+else
+{
+lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+lean_dec(x_68);
+x_104 = lean_ctor_get(x_92, 0);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_92, 1);
+lean_inc(x_105);
+if (lean_is_exclusive(x_92)) {
+ lean_ctor_release(x_92, 0);
+ lean_ctor_release(x_92, 1);
+ x_106 = x_92;
+} else {
+ lean_dec_ref(x_92);
+ x_106 = lean_box(0);
+}
+if (lean_is_scalar(x_106)) {
+ x_107 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_107 = x_106;
+}
+lean_ctor_set(x_107, 0, x_104);
+lean_ctor_set(x_107, 1, x_105);
+return x_107;
+}
+}
+}
+}
+else
+{
+lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_111; 
+x_108 = lean_ctor_get(x_9, 1);
+lean_inc(x_108);
+lean_dec(x_9);
+x_109 = lean_ctor_get(x_10, 0);
+lean_inc(x_109);
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ x_110 = x_10;
+} else {
+ lean_dec_ref(x_10);
+ x_110 = lean_box(0);
+}
+x_111 = l_Lean_Expr_isIte(x_109);
+if (x_111 == 0)
+{
+uint8_t x_112; 
+x_112 = l_Lean_Expr_isDIte(x_109);
+if (x_112 == 0)
+{
+lean_object* x_113; lean_object* x_114; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+if (lean_is_scalar(x_110)) {
+ x_113 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_113 = x_110;
+}
+lean_ctor_set(x_113, 0, x_109);
+x_114 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_114, 0, x_113);
+lean_ctor_set(x_114, 1, x_108);
+return x_114;
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+x_115 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_116 = l_Lean_Expr_getRevArg_x21(x_109, x_115);
+x_117 = l_Lean_Meta_findSplit_x3f_go(x_1, x_2, x_116, x_4, x_5, x_6, x_7, x_108);
+if (lean_obj_tag(x_117) == 0)
+{
+lean_object* x_118; 
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+if (lean_obj_tag(x_118) == 0)
+{
+lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_120 = x_117;
+} else {
+ lean_dec_ref(x_117);
+ x_120 = lean_box(0);
+}
+if (lean_is_scalar(x_110)) {
+ x_121 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_121 = x_110;
+}
+lean_ctor_set(x_121, 0, x_109);
+if (lean_is_scalar(x_120)) {
+ x_122 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_122 = x_120;
+}
+lean_ctor_set(x_122, 0, x_121);
+lean_ctor_set(x_122, 1, x_119);
+return x_122;
+}
+else
+{
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
+lean_dec(x_110);
+lean_dec(x_109);
+x_123 = lean_ctor_get(x_117, 1);
+lean_inc(x_123);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_124 = x_117;
+} else {
+ lean_dec_ref(x_117);
+ x_124 = lean_box(0);
+}
+x_125 = lean_ctor_get(x_118, 0);
+lean_inc(x_125);
+if (lean_is_exclusive(x_118)) {
+ lean_ctor_release(x_118, 0);
+ x_126 = x_118;
+} else {
+ lean_dec_ref(x_118);
+ x_126 = lean_box(0);
+}
+if (lean_is_scalar(x_126)) {
+ x_127 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_127 = x_126;
+}
+lean_ctor_set(x_127, 0, x_125);
+if (lean_is_scalar(x_124)) {
+ x_128 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_128 = x_124;
+}
+lean_ctor_set(x_128, 0, x_127);
+lean_ctor_set(x_128, 1, x_123);
+return x_128;
+}
+}
+else
+{
+lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
+lean_dec(x_110);
+lean_dec(x_109);
+x_129 = lean_ctor_get(x_117, 0);
+lean_inc(x_129);
+x_130 = lean_ctor_get(x_117, 1);
+lean_inc(x_130);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_131 = x_117;
+} else {
+ lean_dec_ref(x_117);
+ x_131 = lean_box(0);
+}
+if (lean_is_scalar(x_131)) {
+ x_132 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_132 = x_131;
+}
+lean_ctor_set(x_132, 0, x_129);
+lean_ctor_set(x_132, 1, x_130);
+return x_132;
+}
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; lean_object* x_135; 
+x_133 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_134 = l_Lean_Expr_getRevArg_x21(x_109, x_133);
+x_135 = l_Lean_Meta_findSplit_x3f_go(x_1, x_2, x_134, x_4, x_5, x_6, x_7, x_108);
+if (lean_obj_tag(x_135) == 0)
+{
+lean_object* x_136; 
+x_136 = lean_ctor_get(x_135, 0);
+lean_inc(x_136);
+if (lean_obj_tag(x_136) == 0)
+{
+lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; 
+x_137 = lean_ctor_get(x_135, 1);
+lean_inc(x_137);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_138 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_138 = lean_box(0);
+}
+if (lean_is_scalar(x_110)) {
+ x_139 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_139 = x_110;
+}
+lean_ctor_set(x_139, 0, x_109);
+if (lean_is_scalar(x_138)) {
+ x_140 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_140 = x_138;
+}
+lean_ctor_set(x_140, 0, x_139);
+lean_ctor_set(x_140, 1, x_137);
+return x_140;
+}
+else
+{
+lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+lean_dec(x_110);
+lean_dec(x_109);
+x_141 = lean_ctor_get(x_135, 1);
+lean_inc(x_141);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_142 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_142 = lean_box(0);
+}
+x_143 = lean_ctor_get(x_136, 0);
+lean_inc(x_143);
+if (lean_is_exclusive(x_136)) {
+ lean_ctor_release(x_136, 0);
+ x_144 = x_136;
+} else {
+ lean_dec_ref(x_136);
+ x_144 = lean_box(0);
+}
+if (lean_is_scalar(x_144)) {
+ x_145 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_145 = x_144;
+}
+lean_ctor_set(x_145, 0, x_143);
+if (lean_is_scalar(x_142)) {
+ x_146 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_146 = x_142;
+}
+lean_ctor_set(x_146, 0, x_145);
+lean_ctor_set(x_146, 1, x_141);
+return x_146;
+}
+}
+else
+{
+lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
+lean_dec(x_110);
+lean_dec(x_109);
+x_147 = lean_ctor_get(x_135, 0);
+lean_inc(x_147);
+x_148 = lean_ctor_get(x_135, 1);
+lean_inc(x_148);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_149 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_149 = lean_box(0);
+}
+if (lean_is_scalar(x_149)) {
+ x_150 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_150 = x_149;
+}
+lean_ctor_set(x_150, 0, x_147);
+lean_ctor_set(x_150, 1, x_148);
+return x_150;
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_151; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+x_151 = !lean_is_exclusive(x_9);
+if (x_151 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_152 = lean_ctor_get(x_9, 0);
+x_153 = lean_ctor_get(x_9, 1);
+lean_inc(x_153);
+lean_inc(x_152);
+lean_dec(x_9);
+x_154 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_154, 0, x_152);
+lean_ctor_set(x_154, 1, x_153);
+return x_154;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f_go___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+uint8_t x_9; lean_object* x_10; 
+x_9 = lean_unbox(x_1);
+lean_dec(x_1);
+x_10 = l_Lean_Meta_findSplit_x3f_go(x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_9 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassApp_x3f___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_9, 1);
+lean_inc(x_11);
+lean_dec(x_9);
+x_12 = l_Lean_Meta_findSplit_x3f_go(x_2, x_3, x_10, x_4, x_5, x_6, x_7, x_11);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_findSplit_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+uint8_t x_9; lean_object* x_10; 
+x_9 = lean_unbox(x_2);
+lean_dec(x_2);
+x_10 = l_Lean_Meta_findSplit_x3f(x_1, x_9, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_10;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_unsigned_to_nat(10u);
+x_2 = lean_unsigned_to_nat(1u);
+x_3 = l_Nat_nextPowerOfTwo_go(x_1, x_2, lean_box(0));
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__1;
+x_3 = lean_mk_array(x_2, x_1);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__2;
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_unsigned_to_nat(5u);
+x_2 = lean_unsigned_to_nat(2u);
+x_3 = lean_nat_sub(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__4;
+x_2 = lean_unsigned_to_nat(1u);
+x_3 = lean_nat_sub(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+uint8_t x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = 0;
+x_8 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__3;
+x_9 = l_Lean_Meta_findSplit_x3f(x_1, x_7, x_8, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_9) == 0)
+{
+lean_object* x_10; 
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+if (lean_obj_tag(x_10) == 0)
+{
+uint8_t x_11; 
+x_11 = !lean_is_exclusive(x_9);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_9, 0);
+lean_dec(x_12);
+x_13 = lean_box(0);
+lean_ctor_set(x_9, 0, x_13);
+return x_9;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_9, 1);
+lean_inc(x_14);
+lean_dec(x_9);
+x_15 = lean_box(0);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+}
+else
+{
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_9);
+if (x_17 == 0)
+{
+lean_object* x_18; uint8_t x_19; 
+x_18 = lean_ctor_get(x_9, 0);
+lean_dec(x_18);
+x_19 = !lean_is_exclusive(x_10);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_20 = lean_ctor_get(x_10, 0);
+x_21 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_22 = l_Lean_Expr_getRevArg_x21(x_20, x_21);
+x_23 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__5;
+x_24 = l_Lean_Expr_getRevArg_x21(x_20, x_23);
+lean_dec(x_20);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_22);
+lean_ctor_set(x_25, 1, x_24);
+lean_ctor_set(x_10, 0, x_25);
+return x_9;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_26 = lean_ctor_get(x_10, 0);
+lean_inc(x_26);
+lean_dec(x_10);
+x_27 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_28 = l_Lean_Expr_getRevArg_x21(x_26, x_27);
+x_29 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__5;
+x_30 = l_Lean_Expr_getRevArg_x21(x_26, x_29);
+lean_dec(x_26);
+x_31 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_31, 0, x_28);
+lean_ctor_set(x_31, 1, x_30);
+x_32 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_9, 0, x_32);
+return x_9;
+}
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_33 = lean_ctor_get(x_9, 1);
+lean_inc(x_33);
+lean_dec(x_9);
+x_34 = lean_ctor_get(x_10, 0);
+lean_inc(x_34);
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ x_35 = x_10;
+} else {
+ lean_dec_ref(x_10);
+ x_35 = lean_box(0);
+}
+x_36 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_FindSplitImpl_isCandidate_x3f___closed__2;
+x_37 = l_Lean_Expr_getRevArg_x21(x_34, x_36);
+x_38 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f___closed__5;
+x_39 = l_Lean_Expr_getRevArg_x21(x_34, x_38);
+lean_dec(x_34);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_37);
+lean_ctor_set(x_40, 1, x_39);
+if (lean_is_scalar(x_35)) {
+ x_41 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_41 = x_35;
+}
+lean_ctor_set(x_41, 0, x_40);
+x_42 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_33);
+return x_42;
+}
+}
+}
+else
+{
+uint8_t x_43; 
+x_43 = !lean_is_exclusive(x_9);
+if (x_43 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_44 = lean_ctor_get(x_9, 0);
+x_45 = lean_ctor_get(x_9, 1);
+lean_inc(x_45);
+lean_inc(x_44);
+lean_dec(x_9);
+x_46 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_45);
+return x_46;
+}
+}
+}
+}
 static lean_object* _init_l_Lean_Meta_SplitIf_getSimpContext___closed__1() {
 _start:
 {
@@ -2459,7 +6789,7 @@ static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_Spli
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_unchecked("", 0, 0);
+x_1 = lean_mk_string_unchecked("<not-available>", 15, 15);
 return x_1;
 }
 }
@@ -2468,33 +6798,16 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; 
 x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__9;
-x_2 = l_Lean_stringToMessageData(x_1);
+x_2 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
 static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string_unchecked("<not-available>", 15, 15);
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__12() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11;
-x_2 = lean_alloc_ctor(3, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__13() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__12;
+x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
 x_2 = l_Lean_MessageData_ofFormat(x_1);
 return x_2;
 }
@@ -2553,11 +6866,11 @@ x_31 = l_Lean_Expr_isAppOfArity(x_14, x_29, x_30);
 if (x_31 == 0)
 {
 lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_32 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__13;
+x_32 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11;
 x_33 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_33, 0, x_12);
 lean_ctor_set(x_33, 1, x_32);
-x_34 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_34 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_35 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_35, 0, x_33);
 lean_ctor_set(x_35, 1, x_34);
@@ -2580,11 +6893,11 @@ if (x_41 == 0)
 {
 lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
 lean_dec(x_40);
-x_42 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__13;
+x_42 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11;
 x_43 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_43, 0, x_12);
 lean_ctor_set(x_43, 1, x_42);
-x_44 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_44 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_45 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_45, 0, x_43);
 lean_ctor_set(x_45, 1, x_44);
@@ -2607,7 +6920,7 @@ x_51 = l_Lean_MessageData_ofExpr(x_50);
 x_52 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_52, 0, x_12);
 lean_ctor_set(x_52, 1, x_51);
-x_53 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_53 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_54 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_54, 0, x_52);
 lean_ctor_set(x_54, 1, x_53);
@@ -2645,11 +6958,11 @@ x_66 = l_Lean_Expr_isAppOfArity(x_14, x_64, x_65);
 if (x_66 == 0)
 {
 lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_67 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__13;
+x_67 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11;
 x_68 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_68, 0, x_12);
 lean_ctor_set(x_68, 1, x_67);
-x_69 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_69 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_70 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_70, 0, x_68);
 lean_ctor_set(x_70, 1, x_69);
@@ -2672,11 +6985,11 @@ if (x_76 == 0)
 {
 lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
 lean_dec(x_75);
-x_77 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__13;
+x_77 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11;
 x_78 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_78, 0, x_12);
 lean_ctor_set(x_78, 1, x_77);
-x_79 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_79 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_80 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_80, 0, x_78);
 lean_ctor_set(x_80, 1, x_79);
@@ -2699,7 +7012,7 @@ x_86 = l_Lean_MessageData_ofExpr(x_85);
 x_87 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_87, 0, x_12);
 lean_ctor_set(x_87, 1, x_86);
-x_88 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_88 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_89 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_89, 0, x_87);
 lean_ctor_set(x_89, 1, x_88);
@@ -2775,11 +7088,11 @@ x_112 = l_Lean_Expr_isAppOfArity(x_94, x_110, x_111);
 if (x_112 == 0)
 {
 lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_113 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__13;
+x_113 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11;
 x_114 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_114, 0, x_109);
 lean_ctor_set(x_114, 1, x_113);
-x_115 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_115 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_116 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_116, 0, x_114);
 lean_ctor_set(x_116, 1, x_115);
@@ -2802,11 +7115,11 @@ if (x_122 == 0)
 {
 lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
 lean_dec(x_121);
-x_123 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__13;
+x_123 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11;
 x_124 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_124, 0, x_109);
 lean_ctor_set(x_124, 1, x_123);
-x_125 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_125 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_126 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_126, 0, x_124);
 lean_ctor_set(x_126, 1, x_125);
@@ -2829,7 +7142,7 @@ x_132 = l_Lean_MessageData_ofExpr(x_131);
 x_133 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_133, 0, x_109);
 lean_ctor_set(x_133, 1, x_132);
-x_134 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_134 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_135 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_135, 0, x_133);
 lean_ctor_set(x_135, 1, x_134);
@@ -3021,237 +7334,6 @@ lean_dec(x_3);
 return x_8;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(5u);
-x_2 = lean_unsigned_to_nat(1u);
-x_3 = lean_nat_sub(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__1;
-x_2 = lean_unsigned_to_nat(1u);
-x_3 = lean_nat_sub(x_1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = l_Lean_Expr_isIte(x_1);
-if (x_2 == 0)
-{
-uint8_t x_3; 
-x_3 = l_Lean_Expr_isDIte(x_1);
-if (x_3 == 0)
-{
-uint8_t x_4; 
-x_4 = 0;
-return x_4;
-}
-else
-{
-lean_object* x_5; lean_object* x_6; uint8_t x_7; 
-x_5 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__2;
-x_6 = l_Lean_Expr_getRevArg_x21(x_1, x_5);
-x_7 = l_Lean_Expr_hasLooseBVars(x_6);
-lean_dec(x_6);
-if (x_7 == 0)
-{
-uint8_t x_8; 
-x_8 = 1;
-return x_8;
-}
-else
-{
-uint8_t x_9; 
-x_9 = 0;
-return x_9;
-}
-}
-}
-else
-{
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__2;
-x_11 = l_Lean_Expr_getRevArg_x21(x_1, x_10);
-x_12 = l_Lean_Expr_hasLooseBVars(x_11);
-lean_dec(x_11);
-if (x_12 == 0)
-{
-uint8_t x_13; 
-x_13 = 1;
-return x_13;
-}
-else
-{
-uint8_t x_14; 
-x_14 = 0;
-return x_14;
-}
-}
-}
-}
-static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___boxed), 1, 0);
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(5u);
-x_2 = lean_unsigned_to_nat(2u);
-x_3 = lean_nat_sub(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__2;
-x_2 = lean_unsigned_to_nat(1u);
-x_3 = lean_nat_sub(x_1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__1;
-x_3 = lean_find_expr(x_2, x_1);
-if (lean_obj_tag(x_3) == 0)
-{
-lean_object* x_4; 
-x_4 = lean_box(0);
-return x_4;
-}
-else
-{
-uint8_t x_5; 
-x_5 = !lean_is_exclusive(x_3);
-if (x_5 == 0)
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_6 = lean_ctor_get(x_3, 0);
-x_7 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__2;
-x_8 = l_Lean_Expr_getRevArg_x21(x_6, x_7);
-x_9 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__3;
-x_10 = l_Lean_Expr_getRevArg_x21(x_6, x_9);
-lean_dec(x_6);
-x_11 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f(x_8);
-if (lean_obj_tag(x_11) == 0)
-{
-lean_object* x_12; 
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_8);
-lean_ctor_set(x_12, 1, x_10);
-lean_ctor_set(x_3, 0, x_12);
-return x_3;
-}
-else
-{
-uint8_t x_13; 
-lean_dec(x_10);
-lean_dec(x_8);
-lean_free_object(x_3);
-x_13 = !lean_is_exclusive(x_11);
-if (x_13 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; 
-x_14 = lean_ctor_get(x_11, 0);
-lean_inc(x_14);
-lean_dec(x_11);
-x_15 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_15, 0, x_14);
-return x_15;
-}
-}
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_16 = lean_ctor_get(x_3, 0);
-lean_inc(x_16);
-lean_dec(x_3);
-x_17 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__2;
-x_18 = l_Lean_Expr_getRevArg_x21(x_16, x_17);
-x_19 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___closed__3;
-x_20 = l_Lean_Expr_getRevArg_x21(x_16, x_19);
-lean_dec(x_16);
-x_21 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f(x_18);
-if (lean_obj_tag(x_21) == 0)
-{
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_22, 0, x_18);
-lean_ctor_set(x_22, 1, x_20);
-x_23 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_23, 0, x_22);
-return x_23;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_20);
-lean_dec(x_18);
-x_24 = lean_ctor_get(x_21, 0);
-lean_inc(x_24);
-if (lean_is_exclusive(x_21)) {
- lean_ctor_release(x_21, 0);
- x_25 = x_21;
-} else {
- lean_dec_ref(x_21);
- x_25 = lean_box(0);
-}
-if (lean_is_scalar(x_25)) {
- x_26 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_26 = x_25;
-}
-lean_ctor_set(x_26, 0, x_24);
-return x_26;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1(x_1);
-lean_dec(x_1);
-x_3 = lean_box(x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f(x_1);
-lean_dec(x_1);
-return x_2;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
@@ -3363,7 +7445,7 @@ x_21 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2___closed__2;
 lean_ctor_set_tag(x_11, 7);
 lean_ctor_set(x_11, 1, x_20);
 lean_ctor_set(x_11, 0, x_21);
-x_22 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_22 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_23 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_23, 0, x_11);
 lean_ctor_set(x_23, 1, x_22);
@@ -3389,7 +7471,7 @@ x_30 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2___closed__2;
 x_31 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_31, 0, x_30);
 lean_ctor_set(x_31, 1, x_29);
-x_32 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10;
+x_32 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
 x_33 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
@@ -3406,7 +7488,7 @@ return x_37;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_SplitIf_splitIfAt_x3f___closed__1() {
+static lean_object* _init_l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -3414,148 +7496,155 @@ x_1 = lean_mk_string_unchecked("h", 1, 1);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_SplitIf_splitIfAt_x3f___closed__2() {
+static lean_object* _init_l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_SplitIf_splitIfAt_x3f___closed__1;
+x_2 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_9 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassApp_x3f___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_9, 1);
+lean_inc(x_11);
+lean_dec(x_9);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_12 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_findIfToSplit_x3f(x_10, x_4, x_5, x_6, x_7, x_11);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_14 = !lean_is_exclusive(x_12);
+if (x_14 == 0)
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_ctor_get(x_12, 0);
+lean_dec(x_15);
+x_16 = lean_box(0);
+lean_ctor_set(x_12, 0, x_16);
+return x_12;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_12, 1);
+lean_inc(x_17);
+lean_dec(x_12);
+x_18 = lean_box(0);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_17);
+return x_19;
+}
+}
+else
+{
+lean_object* x_20; 
+x_20 = lean_ctor_get(x_13, 0);
+lean_inc(x_20);
+lean_dec(x_13);
+if (lean_obj_tag(x_3) == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_21 = lean_ctor_get(x_12, 1);
+lean_inc(x_21);
+lean_dec(x_12);
+x_22 = lean_ctor_get(x_20, 0);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_20, 1);
+lean_inc(x_23);
+lean_dec(x_20);
+x_24 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3___closed__2;
+x_25 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_24, x_6, x_7, x_21);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2(x_2, x_22, x_23, x_26, x_4, x_5, x_6, x_7, x_27);
+return x_28;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_29 = lean_ctor_get(x_12, 1);
+lean_inc(x_29);
+lean_dec(x_12);
+x_30 = lean_ctor_get(x_20, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_20, 1);
+lean_inc(x_31);
+lean_dec(x_20);
+x_32 = lean_ctor_get(x_3, 0);
+lean_inc(x_32);
+lean_dec(x_3);
+x_33 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2(x_2, x_30, x_31, x_32, x_4, x_5, x_6, x_7, x_29);
+return x_33;
+}
+}
+}
+else
+{
+uint8_t x_34; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_34 = !lean_is_exclusive(x_12);
+if (x_34 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_35 = lean_ctor_get(x_12, 0);
+x_36 = lean_ctor_get(x_12, 1);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_dec(x_12);
+x_37 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_37, 0, x_35);
+lean_ctor_set(x_37, 1, x_36);
+return x_37;
+}
+}
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; uint8_t x_10; 
-x_9 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassApp_x3f___spec__1(x_2, x_4, x_5, x_6, x_7, x_8);
-x_10 = !lean_is_exclusive(x_9);
-if (x_10 == 0)
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_11 = lean_ctor_get(x_9, 0);
-x_12 = lean_ctor_get(x_9, 1);
-x_13 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f(x_11);
-lean_dec(x_11);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_14 = lean_box(0);
-lean_ctor_set(x_9, 0, x_14);
-return x_9;
-}
-else
-{
-lean_object* x_15; 
-lean_free_object(x_9);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
-lean_dec(x_13);
-if (lean_obj_tag(x_3) == 0)
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_15, 1);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = l_Lean_Meta_SplitIf_splitIfAt_x3f___closed__2;
-x_19 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_18, x_6, x_7, x_12);
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_19, 1);
-lean_inc(x_21);
-lean_dec(x_19);
-x_22 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2(x_1, x_16, x_17, x_20, x_4, x_5, x_6, x_7, x_21);
-return x_22;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_23 = lean_ctor_get(x_15, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_15, 1);
-lean_inc(x_24);
-lean_dec(x_15);
-x_25 = lean_ctor_get(x_3, 0);
-lean_inc(x_25);
-lean_dec(x_3);
-x_26 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2(x_1, x_23, x_24, x_25, x_4, x_5, x_6, x_7, x_12);
-return x_26;
-}
-}
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_9, 0);
-x_28 = lean_ctor_get(x_9, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_9);
-x_29 = l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_findIfToSplit_x3f(x_27);
-lean_dec(x_27);
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_30; lean_object* x_31; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_30 = lean_box(0);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_28);
-return x_31;
-}
-else
-{
-lean_object* x_32; 
-x_32 = lean_ctor_get(x_29, 0);
-lean_inc(x_32);
-lean_dec(x_29);
-if (lean_obj_tag(x_3) == 0)
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_33 = lean_ctor_get(x_32, 0);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_32, 1);
-lean_inc(x_34);
-lean_dec(x_32);
-x_35 = l_Lean_Meta_SplitIf_splitIfAt_x3f___closed__2;
-x_36 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_35, x_6, x_7, x_28);
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_36, 1);
-lean_inc(x_38);
-lean_dec(x_36);
-x_39 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2(x_1, x_33, x_34, x_37, x_4, x_5, x_6, x_7, x_38);
-return x_39;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_32, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_32, 1);
-lean_inc(x_41);
-lean_dec(x_32);
-x_42 = lean_ctor_get(x_3, 0);
-lean_inc(x_42);
-lean_dec(x_3);
-x_43 = l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__2(x_1, x_40, x_41, x_42, x_4, x_5, x_6, x_7, x_28);
-return x_43;
-}
-}
-}
+lean_object* x_9; lean_object* x_10; 
+lean_inc(x_1);
+x_9 = lean_alloc_closure((void*)(l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__3), 8, 3);
+lean_closure_set(x_9, 0, x_2);
+lean_closure_set(x_9, 1, x_1);
+lean_closure_set(x_9, 2, x_3);
+x_10 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_9, x_4, x_5, x_6, x_7, x_8);
+return x_10;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
@@ -3680,7 +7769,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_simpIfTarget___closed__8;
 x_2 = l_Lean_Meta_simpIfTarget___closed__9;
-x_3 = lean_unsigned_to_nat(95u);
+x_3 = lean_unsigned_to_nat(203u);
 x_4 = lean_unsigned_to_nat(4u);
 x_5 = l_Lean_Meta_simpIfTarget___closed__10;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -3904,7 +7993,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_simpIfTarget___closed__8;
 x_2 = l_Lean_Meta_simpIfLocalDecl___closed__2;
-x_3 = lean_unsigned_to_nat(102u);
+x_3 = lean_unsigned_to_nat(210u);
 x_4 = lean_unsigned_to_nat(4u);
 x_5 = l_Lean_Meta_simpIfTarget___closed__10;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4310,7 +8399,78 @@ return x_21;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; 
+x_7 = lean_box(0);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_6);
+return x_8;
+}
+}
+static lean_object* _init_l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("failure", 7, 7);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__1;
+x_2 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__1;
+x_3 = l_Lean_Name_mkStr2(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_splitIfTarget_x3f___lambda__1___boxed), 6, 0);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("`split` tactic failed to simplify target using new hypotheses Goals:\n", 69, 69);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__4;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__6() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("\n", 1, 1);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__6;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -4411,6 +8571,10 @@ if (x_33 == 0)
 lean_object* x_34; lean_object* x_35; lean_object* x_36; 
 x_34 = lean_ctor_get(x_24, 0);
 x_35 = lean_ctor_get(x_24, 1);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
 lean_inc(x_34);
 x_36 = l_Lean_Meta_simpIfTarget(x_34, x_29, x_3, x_4, x_5, x_6, x_32);
 if (lean_obj_tag(x_36) == 0)
@@ -4419,29 +8583,18 @@ uint8_t x_37;
 x_37 = !lean_is_exclusive(x_36);
 if (x_37 == 0)
 {
-lean_object* x_38; uint8_t x_39; 
+lean_object* x_38; lean_object* x_39; uint8_t x_40; 
 x_38 = lean_ctor_get(x_36, 0);
-x_39 = lean_name_eq(x_27, x_31);
+x_39 = lean_ctor_get(x_36, 1);
+x_40 = lean_name_eq(x_27, x_31);
 lean_dec(x_27);
-if (x_39 == 0)
-{
-lean_dec(x_34);
-lean_ctor_set(x_24, 1, x_28);
-lean_ctor_set(x_24, 0, x_31);
-lean_ctor_set(x_21, 1, x_35);
-lean_ctor_set(x_21, 0, x_38);
-lean_ctor_set(x_20, 1, x_21);
-lean_ctor_set(x_20, 0, x_24);
-lean_ctor_set(x_36, 0, x_12);
-return x_36;
-}
-else
-{
-uint8_t x_40; 
-x_40 = lean_name_eq(x_34, x_38);
-lean_dec(x_34);
 if (x_40 == 0)
 {
+lean_dec(x_34);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_ctor_set(x_24, 1, x_28);
 lean_ctor_set(x_24, 0, x_31);
 lean_ctor_set(x_21, 1, x_35);
@@ -4453,88 +8606,273 @@ return x_36;
 }
 else
 {
-lean_object* x_41; 
-lean_dec(x_38);
-lean_free_object(x_24);
-lean_dec(x_35);
-lean_dec(x_31);
-lean_free_object(x_21);
-lean_dec(x_28);
-lean_free_object(x_20);
-lean_free_object(x_12);
-x_41 = lean_box(0);
-lean_ctor_set(x_36, 0, x_41);
+uint8_t x_41; 
+x_41 = lean_name_eq(x_34, x_38);
+lean_dec(x_34);
+if (x_41 == 0)
+{
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_ctor_set(x_24, 1, x_28);
+lean_ctor_set(x_24, 0, x_31);
+lean_ctor_set(x_21, 1, x_35);
+lean_ctor_set(x_21, 0, x_38);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_24);
+lean_ctor_set(x_36, 0, x_12);
 return x_36;
 }
-}
-}
 else
 {
 lean_object* x_42; lean_object* x_43; uint8_t x_44; 
-x_42 = lean_ctor_get(x_36, 0);
-x_43 = lean_ctor_get(x_36, 1);
-lean_inc(x_43);
-lean_inc(x_42);
-lean_dec(x_36);
-x_44 = lean_name_eq(x_27, x_31);
-lean_dec(x_27);
+lean_free_object(x_36);
+lean_free_object(x_24);
+lean_dec(x_35);
+lean_free_object(x_21);
+lean_dec(x_28);
+lean_free_object(x_20);
+lean_free_object(x_12);
+x_42 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_43 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_42, x_3, x_4, x_5, x_6, x_39);
+x_44 = !lean_is_exclusive(x_43);
 if (x_44 == 0)
 {
-lean_object* x_45; 
-lean_dec(x_34);
-lean_ctor_set(x_24, 1, x_28);
-lean_ctor_set(x_24, 0, x_31);
-lean_ctor_set(x_21, 1, x_35);
-lean_ctor_set(x_21, 0, x_42);
-lean_ctor_set(x_20, 1, x_21);
-lean_ctor_set(x_20, 0, x_24);
-x_45 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_45, 0, x_12);
-lean_ctor_set(x_45, 1, x_43);
-return x_45;
+lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+x_45 = lean_ctor_get(x_43, 0);
+x_46 = lean_ctor_get(x_43, 1);
+x_47 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_48 = lean_unbox(x_45);
+lean_dec(x_45);
+if (x_48 == 0)
+{
+lean_object* x_49; lean_object* x_50; 
+lean_free_object(x_43);
+lean_dec(x_38);
+lean_dec(x_31);
+x_49 = lean_box(0);
+x_50 = lean_apply_6(x_47, x_49, x_3, x_4, x_5, x_6, x_46);
+return x_50;
 }
 else
 {
-uint8_t x_46; 
-x_46 = lean_name_eq(x_34, x_42);
-lean_dec(x_34);
-if (x_46 == 0)
-{
-lean_object* x_47; 
-lean_ctor_set(x_24, 1, x_28);
-lean_ctor_set(x_24, 0, x_31);
-lean_ctor_set(x_21, 1, x_35);
-lean_ctor_set(x_21, 0, x_42);
-lean_ctor_set(x_20, 1, x_21);
-lean_ctor_set(x_20, 0, x_24);
-x_47 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_47, 0, x_12);
-lean_ctor_set(x_47, 1, x_43);
-return x_47;
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_51 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_51, 0, x_31);
+x_52 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+lean_ctor_set_tag(x_43, 7);
+lean_ctor_set(x_43, 1, x_51);
+lean_ctor_set(x_43, 0, x_52);
+x_53 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_54 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_54, 0, x_43);
+lean_ctor_set(x_54, 1, x_53);
+x_55 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_55, 0, x_38);
+x_56 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_56, 0, x_54);
+lean_ctor_set(x_56, 1, x_55);
+x_57 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_58 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_58, 0, x_56);
+lean_ctor_set(x_58, 1, x_57);
+x_59 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_42, x_58, x_3, x_4, x_5, x_6, x_46);
+x_60 = lean_ctor_get(x_59, 0);
+lean_inc(x_60);
+x_61 = lean_ctor_get(x_59, 1);
+lean_inc(x_61);
+lean_dec(x_59);
+x_62 = lean_apply_6(x_47, x_60, x_3, x_4, x_5, x_6, x_61);
+return x_62;
+}
 }
 else
 {
-lean_object* x_48; lean_object* x_49; 
-lean_dec(x_42);
+lean_object* x_63; lean_object* x_64; lean_object* x_65; uint8_t x_66; 
+x_63 = lean_ctor_get(x_43, 0);
+x_64 = lean_ctor_get(x_43, 1);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_43);
+x_65 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_66 = lean_unbox(x_63);
+lean_dec(x_63);
+if (x_66 == 0)
+{
+lean_object* x_67; lean_object* x_68; 
+lean_dec(x_38);
+lean_dec(x_31);
+x_67 = lean_box(0);
+x_68 = lean_apply_6(x_65, x_67, x_3, x_4, x_5, x_6, x_64);
+return x_68;
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_69 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_69, 0, x_31);
+x_70 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+x_71 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_69);
+x_72 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_73 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_73, 0, x_71);
+lean_ctor_set(x_73, 1, x_72);
+x_74 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_74, 0, x_38);
+x_75 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_75, 0, x_73);
+lean_ctor_set(x_75, 1, x_74);
+x_76 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_77 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_77, 0, x_75);
+lean_ctor_set(x_77, 1, x_76);
+x_78 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_42, x_77, x_3, x_4, x_5, x_6, x_64);
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_78, 1);
+lean_inc(x_80);
+lean_dec(x_78);
+x_81 = lean_apply_6(x_65, x_79, x_3, x_4, x_5, x_6, x_80);
+return x_81;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_82; lean_object* x_83; uint8_t x_84; 
+x_82 = lean_ctor_get(x_36, 0);
+x_83 = lean_ctor_get(x_36, 1);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_dec(x_36);
+x_84 = lean_name_eq(x_27, x_31);
+lean_dec(x_27);
+if (x_84 == 0)
+{
+lean_object* x_85; 
+lean_dec(x_34);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_ctor_set(x_24, 1, x_28);
+lean_ctor_set(x_24, 0, x_31);
+lean_ctor_set(x_21, 1, x_35);
+lean_ctor_set(x_21, 0, x_82);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_24);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_12);
+lean_ctor_set(x_85, 1, x_83);
+return x_85;
+}
+else
+{
+uint8_t x_86; 
+x_86 = lean_name_eq(x_34, x_82);
+lean_dec(x_34);
+if (x_86 == 0)
+{
+lean_object* x_87; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_ctor_set(x_24, 1, x_28);
+lean_ctor_set(x_24, 0, x_31);
+lean_ctor_set(x_21, 1, x_35);
+lean_ctor_set(x_21, 0, x_82);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_24);
+x_87 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_87, 0, x_12);
+lean_ctor_set(x_87, 1, x_83);
+return x_87;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; uint8_t x_94; 
 lean_free_object(x_24);
 lean_dec(x_35);
-lean_dec(x_31);
 lean_free_object(x_21);
 lean_dec(x_28);
 lean_free_object(x_20);
 lean_free_object(x_12);
-x_48 = lean_box(0);
-x_49 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_49, 0, x_48);
-lean_ctor_set(x_49, 1, x_43);
-return x_49;
+x_88 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_89 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_88, x_3, x_4, x_5, x_6, x_83);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_92 = x_89;
+} else {
+ lean_dec_ref(x_89);
+ x_92 = lean_box(0);
+}
+x_93 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_94 = lean_unbox(x_90);
+lean_dec(x_90);
+if (x_94 == 0)
+{
+lean_object* x_95; lean_object* x_96; 
+lean_dec(x_92);
+lean_dec(x_82);
+lean_dec(x_31);
+x_95 = lean_box(0);
+x_96 = lean_apply_6(x_93, x_95, x_3, x_4, x_5, x_6, x_91);
+return x_96;
+}
+else
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_97 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_97, 0, x_31);
+x_98 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+if (lean_is_scalar(x_92)) {
+ x_99 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_99 = x_92;
+ lean_ctor_set_tag(x_99, 7);
+}
+lean_ctor_set(x_99, 0, x_98);
+lean_ctor_set(x_99, 1, x_97);
+x_100 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_101 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+x_102 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_102, 0, x_82);
+x_103 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_103, 0, x_101);
+lean_ctor_set(x_103, 1, x_102);
+x_104 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_105 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_105, 0, x_103);
+lean_ctor_set(x_105, 1, x_104);
+x_106 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_88, x_105, x_3, x_4, x_5, x_6, x_91);
+x_107 = lean_ctor_get(x_106, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_106, 1);
+lean_inc(x_108);
+lean_dec(x_106);
+x_109 = lean_apply_6(x_93, x_107, x_3, x_4, x_5, x_6, x_108);
+return x_109;
+}
 }
 }
 }
 }
 else
 {
-uint8_t x_50; 
+uint8_t x_110; 
 lean_free_object(x_24);
 lean_dec(x_35);
 lean_dec(x_34);
@@ -4544,156 +8882,229 @@ lean_dec(x_28);
 lean_dec(x_27);
 lean_free_object(x_20);
 lean_free_object(x_12);
-x_50 = !lean_is_exclusive(x_36);
-if (x_50 == 0)
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_110 = !lean_is_exclusive(x_36);
+if (x_110 == 0)
 {
 return x_36;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_36, 0);
-x_52 = lean_ctor_get(x_36, 1);
-lean_inc(x_52);
-lean_inc(x_51);
+lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+x_111 = lean_ctor_get(x_36, 0);
+x_112 = lean_ctor_get(x_36, 1);
+lean_inc(x_112);
+lean_inc(x_111);
 lean_dec(x_36);
-x_53 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_53, 0, x_51);
-lean_ctor_set(x_53, 1, x_52);
-return x_53;
+x_113 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_113, 0, x_111);
+lean_ctor_set(x_113, 1, x_112);
+return x_113;
 }
 }
 }
 else
 {
-lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_24, 0);
-x_55 = lean_ctor_get(x_24, 1);
-lean_inc(x_55);
-lean_inc(x_54);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; 
+x_114 = lean_ctor_get(x_24, 0);
+x_115 = lean_ctor_get(x_24, 1);
+lean_inc(x_115);
+lean_inc(x_114);
 lean_dec(x_24);
-lean_inc(x_54);
-x_56 = l_Lean_Meta_simpIfTarget(x_54, x_29, x_3, x_4, x_5, x_6, x_32);
-if (lean_obj_tag(x_56) == 0)
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_114);
+x_116 = l_Lean_Meta_simpIfTarget(x_114, x_29, x_3, x_4, x_5, x_6, x_32);
+if (lean_obj_tag(x_116) == 0)
 {
-lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; 
-x_57 = lean_ctor_get(x_56, 0);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_56, 1);
-lean_inc(x_58);
-if (lean_is_exclusive(x_56)) {
- lean_ctor_release(x_56, 0);
- lean_ctor_release(x_56, 1);
- x_59 = x_56;
+lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_117 = lean_ctor_get(x_116, 0);
+lean_inc(x_117);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+if (lean_is_exclusive(x_116)) {
+ lean_ctor_release(x_116, 0);
+ lean_ctor_release(x_116, 1);
+ x_119 = x_116;
 } else {
- lean_dec_ref(x_56);
- x_59 = lean_box(0);
+ lean_dec_ref(x_116);
+ x_119 = lean_box(0);
 }
-x_60 = lean_name_eq(x_27, x_31);
+x_120 = lean_name_eq(x_27, x_31);
 lean_dec(x_27);
-if (x_60 == 0)
+if (x_120 == 0)
 {
-lean_object* x_61; lean_object* x_62; 
-lean_dec(x_54);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_31);
-lean_ctor_set(x_61, 1, x_28);
-lean_ctor_set(x_21, 1, x_55);
-lean_ctor_set(x_21, 0, x_57);
+lean_object* x_121; lean_object* x_122; 
+lean_dec(x_114);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_121 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_121, 0, x_31);
+lean_ctor_set(x_121, 1, x_28);
+lean_ctor_set(x_21, 1, x_115);
+lean_ctor_set(x_21, 0, x_117);
 lean_ctor_set(x_20, 1, x_21);
-lean_ctor_set(x_20, 0, x_61);
-if (lean_is_scalar(x_59)) {
- x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_121);
+if (lean_is_scalar(x_119)) {
+ x_122 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_62 = x_59;
+ x_122 = x_119;
 }
-lean_ctor_set(x_62, 0, x_12);
-lean_ctor_set(x_62, 1, x_58);
-return x_62;
+lean_ctor_set(x_122, 0, x_12);
+lean_ctor_set(x_122, 1, x_118);
+return x_122;
 }
 else
 {
-uint8_t x_63; 
-x_63 = lean_name_eq(x_54, x_57);
-lean_dec(x_54);
-if (x_63 == 0)
+uint8_t x_123; 
+x_123 = lean_name_eq(x_114, x_117);
+lean_dec(x_114);
+if (x_123 == 0)
 {
-lean_object* x_64; lean_object* x_65; 
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_31);
-lean_ctor_set(x_64, 1, x_28);
-lean_ctor_set(x_21, 1, x_55);
-lean_ctor_set(x_21, 0, x_57);
+lean_object* x_124; lean_object* x_125; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_124 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_124, 0, x_31);
+lean_ctor_set(x_124, 1, x_28);
+lean_ctor_set(x_21, 1, x_115);
+lean_ctor_set(x_21, 0, x_117);
 lean_ctor_set(x_20, 1, x_21);
-lean_ctor_set(x_20, 0, x_64);
-if (lean_is_scalar(x_59)) {
- x_65 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_124);
+if (lean_is_scalar(x_119)) {
+ x_125 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_65 = x_59;
+ x_125 = x_119;
 }
-lean_ctor_set(x_65, 0, x_12);
-lean_ctor_set(x_65, 1, x_58);
-return x_65;
+lean_ctor_set(x_125, 0, x_12);
+lean_ctor_set(x_125, 1, x_118);
+return x_125;
 }
 else
 {
-lean_object* x_66; lean_object* x_67; 
-lean_dec(x_57);
-lean_dec(x_55);
-lean_dec(x_31);
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; uint8_t x_132; 
+lean_dec(x_119);
+lean_dec(x_115);
 lean_free_object(x_21);
 lean_dec(x_28);
 lean_free_object(x_20);
 lean_free_object(x_12);
-x_66 = lean_box(0);
-if (lean_is_scalar(x_59)) {
- x_67 = lean_alloc_ctor(0, 2, 0);
+x_126 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_127 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_126, x_3, x_4, x_5, x_6, x_118);
+x_128 = lean_ctor_get(x_127, 0);
+lean_inc(x_128);
+x_129 = lean_ctor_get(x_127, 1);
+lean_inc(x_129);
+if (lean_is_exclusive(x_127)) {
+ lean_ctor_release(x_127, 0);
+ lean_ctor_release(x_127, 1);
+ x_130 = x_127;
 } else {
- x_67 = x_59;
+ lean_dec_ref(x_127);
+ x_130 = lean_box(0);
+}
+x_131 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_132 = lean_unbox(x_128);
+lean_dec(x_128);
+if (x_132 == 0)
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_130);
+lean_dec(x_117);
+lean_dec(x_31);
+x_133 = lean_box(0);
+x_134 = lean_apply_6(x_131, x_133, x_3, x_4, x_5, x_6, x_129);
+return x_134;
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
+x_135 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_135, 0, x_31);
+x_136 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+if (lean_is_scalar(x_130)) {
+ x_137 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_137 = x_130;
+ lean_ctor_set_tag(x_137, 7);
+}
+lean_ctor_set(x_137, 0, x_136);
+lean_ctor_set(x_137, 1, x_135);
+x_138 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_139 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_139, 0, x_137);
+lean_ctor_set(x_139, 1, x_138);
+x_140 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_140, 0, x_117);
+x_141 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_141, 0, x_139);
+lean_ctor_set(x_141, 1, x_140);
+x_142 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_143 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_143, 0, x_141);
+lean_ctor_set(x_143, 1, x_142);
+x_144 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_126, x_143, x_3, x_4, x_5, x_6, x_129);
+x_145 = lean_ctor_get(x_144, 0);
+lean_inc(x_145);
+x_146 = lean_ctor_get(x_144, 1);
+lean_inc(x_146);
+lean_dec(x_144);
+x_147 = lean_apply_6(x_131, x_145, x_3, x_4, x_5, x_6, x_146);
+return x_147;
 }
-lean_ctor_set(x_67, 0, x_66);
-lean_ctor_set(x_67, 1, x_58);
-return x_67;
 }
 }
 }
 else
 {
-lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-lean_dec(x_55);
-lean_dec(x_54);
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; 
+lean_dec(x_115);
+lean_dec(x_114);
 lean_dec(x_31);
 lean_free_object(x_21);
 lean_dec(x_28);
 lean_dec(x_27);
 lean_free_object(x_20);
 lean_free_object(x_12);
-x_68 = lean_ctor_get(x_56, 0);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_56, 1);
-lean_inc(x_69);
-if (lean_is_exclusive(x_56)) {
- lean_ctor_release(x_56, 0);
- lean_ctor_release(x_56, 1);
- x_70 = x_56;
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_148 = lean_ctor_get(x_116, 0);
+lean_inc(x_148);
+x_149 = lean_ctor_get(x_116, 1);
+lean_inc(x_149);
+if (lean_is_exclusive(x_116)) {
+ lean_ctor_release(x_116, 0);
+ lean_ctor_release(x_116, 1);
+ x_150 = x_116;
 } else {
- lean_dec_ref(x_56);
- x_70 = lean_box(0);
+ lean_dec_ref(x_116);
+ x_150 = lean_box(0);
 }
-if (lean_is_scalar(x_70)) {
- x_71 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_150)) {
+ x_151 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_71 = x_70;
+ x_151 = x_150;
 }
-lean_ctor_set(x_71, 0, x_68);
-lean_ctor_set(x_71, 1, x_69);
-return x_71;
+lean_ctor_set(x_151, 0, x_148);
+lean_ctor_set(x_151, 1, x_149);
+return x_151;
 }
 }
 }
 else
 {
-uint8_t x_72; 
+uint8_t x_152; 
 lean_free_object(x_21);
 lean_dec(x_28);
 lean_dec(x_27);
@@ -4704,194 +9115,263 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_72 = !lean_is_exclusive(x_30);
-if (x_72 == 0)
+x_152 = !lean_is_exclusive(x_30);
+if (x_152 == 0)
 {
 return x_30;
 }
 else
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_73 = lean_ctor_get(x_30, 0);
-x_74 = lean_ctor_get(x_30, 1);
-lean_inc(x_74);
-lean_inc(x_73);
+lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_153 = lean_ctor_get(x_30, 0);
+x_154 = lean_ctor_get(x_30, 1);
+lean_inc(x_154);
+lean_inc(x_153);
 lean_dec(x_30);
-x_75 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_75, 0, x_73);
-lean_ctor_set(x_75, 1, x_74);
-return x_75;
+x_155 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_155, 0, x_153);
+lean_ctor_set(x_155, 1, x_154);
+return x_155;
 }
 }
 }
 else
 {
-lean_object* x_76; lean_object* x_77; uint8_t x_78; lean_object* x_79; 
-x_76 = lean_ctor_get(x_21, 0);
-x_77 = lean_ctor_get(x_21, 1);
-lean_inc(x_77);
-lean_inc(x_76);
+lean_object* x_156; lean_object* x_157; uint8_t x_158; lean_object* x_159; 
+x_156 = lean_ctor_get(x_21, 0);
+x_157 = lean_ctor_get(x_21, 1);
+lean_inc(x_157);
+lean_inc(x_156);
 lean_dec(x_21);
-x_78 = 0;
+x_158 = 0;
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_76);
-x_79 = l_Lean_Meta_simpIfTarget(x_76, x_78, x_3, x_4, x_5, x_6, x_22);
-if (lean_obj_tag(x_79) == 0)
+lean_inc(x_156);
+x_159 = l_Lean_Meta_simpIfTarget(x_156, x_158, x_3, x_4, x_5, x_6, x_22);
+if (lean_obj_tag(x_159) == 0)
 {
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_80 = lean_ctor_get(x_79, 0);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_79, 1);
-lean_inc(x_81);
-lean_dec(x_79);
-x_82 = lean_ctor_get(x_24, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_24, 1);
-lean_inc(x_83);
+lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_159, 1);
+lean_inc(x_161);
+lean_dec(x_159);
+x_162 = lean_ctor_get(x_24, 0);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_24, 1);
+lean_inc(x_163);
 if (lean_is_exclusive(x_24)) {
  lean_ctor_release(x_24, 0);
  lean_ctor_release(x_24, 1);
- x_84 = x_24;
+ x_164 = x_24;
 } else {
  lean_dec_ref(x_24);
- x_84 = lean_box(0);
+ x_164 = lean_box(0);
 }
-lean_inc(x_82);
-x_85 = l_Lean_Meta_simpIfTarget(x_82, x_78, x_3, x_4, x_5, x_6, x_81);
-if (lean_obj_tag(x_85) == 0)
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_162);
+x_165 = l_Lean_Meta_simpIfTarget(x_162, x_158, x_3, x_4, x_5, x_6, x_161);
+if (lean_obj_tag(x_165) == 0)
 {
-lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; 
-x_86 = lean_ctor_get(x_85, 0);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_85, 1);
-lean_inc(x_87);
-if (lean_is_exclusive(x_85)) {
- lean_ctor_release(x_85, 0);
- lean_ctor_release(x_85, 1);
- x_88 = x_85;
+lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; 
+x_166 = lean_ctor_get(x_165, 0);
+lean_inc(x_166);
+x_167 = lean_ctor_get(x_165, 1);
+lean_inc(x_167);
+if (lean_is_exclusive(x_165)) {
+ lean_ctor_release(x_165, 0);
+ lean_ctor_release(x_165, 1);
+ x_168 = x_165;
 } else {
- lean_dec_ref(x_85);
- x_88 = lean_box(0);
+ lean_dec_ref(x_165);
+ x_168 = lean_box(0);
 }
-x_89 = lean_name_eq(x_76, x_80);
-lean_dec(x_76);
-if (x_89 == 0)
+x_169 = lean_name_eq(x_156, x_160);
+lean_dec(x_156);
+if (x_169 == 0)
 {
-lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-lean_dec(x_82);
-if (lean_is_scalar(x_84)) {
- x_90 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_170; lean_object* x_171; lean_object* x_172; 
+lean_dec(x_162);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+if (lean_is_scalar(x_164)) {
+ x_170 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_90 = x_84;
+ x_170 = x_164;
 }
-lean_ctor_set(x_90, 0, x_80);
-lean_ctor_set(x_90, 1, x_77);
-x_91 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_91, 0, x_86);
-lean_ctor_set(x_91, 1, x_83);
-lean_ctor_set(x_20, 1, x_91);
-lean_ctor_set(x_20, 0, x_90);
-if (lean_is_scalar(x_88)) {
- x_92 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_170, 0, x_160);
+lean_ctor_set(x_170, 1, x_157);
+x_171 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_171, 0, x_166);
+lean_ctor_set(x_171, 1, x_163);
+lean_ctor_set(x_20, 1, x_171);
+lean_ctor_set(x_20, 0, x_170);
+if (lean_is_scalar(x_168)) {
+ x_172 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_92 = x_88;
+ x_172 = x_168;
 }
-lean_ctor_set(x_92, 0, x_12);
-lean_ctor_set(x_92, 1, x_87);
-return x_92;
+lean_ctor_set(x_172, 0, x_12);
+lean_ctor_set(x_172, 1, x_167);
+return x_172;
 }
 else
 {
-uint8_t x_93; 
-x_93 = lean_name_eq(x_82, x_86);
-lean_dec(x_82);
-if (x_93 == 0)
+uint8_t x_173; 
+x_173 = lean_name_eq(x_162, x_166);
+lean_dec(x_162);
+if (x_173 == 0)
 {
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-if (lean_is_scalar(x_84)) {
- x_94 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_174; lean_object* x_175; lean_object* x_176; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+if (lean_is_scalar(x_164)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_94 = x_84;
+ x_174 = x_164;
 }
-lean_ctor_set(x_94, 0, x_80);
-lean_ctor_set(x_94, 1, x_77);
-x_95 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_95, 0, x_86);
-lean_ctor_set(x_95, 1, x_83);
-lean_ctor_set(x_20, 1, x_95);
-lean_ctor_set(x_20, 0, x_94);
-if (lean_is_scalar(x_88)) {
- x_96 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_174, 0, x_160);
+lean_ctor_set(x_174, 1, x_157);
+x_175 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_175, 0, x_166);
+lean_ctor_set(x_175, 1, x_163);
+lean_ctor_set(x_20, 1, x_175);
+lean_ctor_set(x_20, 0, x_174);
+if (lean_is_scalar(x_168)) {
+ x_176 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_96 = x_88;
+ x_176 = x_168;
 }
-lean_ctor_set(x_96, 0, x_12);
-lean_ctor_set(x_96, 1, x_87);
-return x_96;
+lean_ctor_set(x_176, 0, x_12);
+lean_ctor_set(x_176, 1, x_167);
+return x_176;
 }
 else
 {
-lean_object* x_97; lean_object* x_98; 
-lean_dec(x_86);
-lean_dec(x_84);
-lean_dec(x_83);
-lean_dec(x_80);
-lean_dec(x_77);
+lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; uint8_t x_183; 
+lean_dec(x_168);
+lean_dec(x_164);
+lean_dec(x_163);
+lean_dec(x_157);
 lean_free_object(x_20);
 lean_free_object(x_12);
-x_97 = lean_box(0);
-if (lean_is_scalar(x_88)) {
- x_98 = lean_alloc_ctor(0, 2, 0);
+x_177 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_178 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_177, x_3, x_4, x_5, x_6, x_167);
+x_179 = lean_ctor_get(x_178, 0);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_178, 1);
+lean_inc(x_180);
+if (lean_is_exclusive(x_178)) {
+ lean_ctor_release(x_178, 0);
+ lean_ctor_release(x_178, 1);
+ x_181 = x_178;
 } else {
- x_98 = x_88;
+ lean_dec_ref(x_178);
+ x_181 = lean_box(0);
+}
+x_182 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_183 = lean_unbox(x_179);
+lean_dec(x_179);
+if (x_183 == 0)
+{
+lean_object* x_184; lean_object* x_185; 
+lean_dec(x_181);
+lean_dec(x_166);
+lean_dec(x_160);
+x_184 = lean_box(0);
+x_185 = lean_apply_6(x_182, x_184, x_3, x_4, x_5, x_6, x_180);
+return x_185;
+}
+else
+{
+lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; 
+x_186 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_186, 0, x_160);
+x_187 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+if (lean_is_scalar(x_181)) {
+ x_188 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_188 = x_181;
+ lean_ctor_set_tag(x_188, 7);
+}
+lean_ctor_set(x_188, 0, x_187);
+lean_ctor_set(x_188, 1, x_186);
+x_189 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_190 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_190, 0, x_188);
+lean_ctor_set(x_190, 1, x_189);
+x_191 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_191, 0, x_166);
+x_192 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_192, 0, x_190);
+lean_ctor_set(x_192, 1, x_191);
+x_193 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_194 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_194, 0, x_192);
+lean_ctor_set(x_194, 1, x_193);
+x_195 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_177, x_194, x_3, x_4, x_5, x_6, x_180);
+x_196 = lean_ctor_get(x_195, 0);
+lean_inc(x_196);
+x_197 = lean_ctor_get(x_195, 1);
+lean_inc(x_197);
+lean_dec(x_195);
+x_198 = lean_apply_6(x_182, x_196, x_3, x_4, x_5, x_6, x_197);
+return x_198;
 }
-lean_ctor_set(x_98, 0, x_97);
-lean_ctor_set(x_98, 1, x_87);
-return x_98;
 }
 }
 }
 else
 {
-lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-lean_dec(x_84);
-lean_dec(x_83);
-lean_dec(x_82);
-lean_dec(x_80);
-lean_dec(x_77);
-lean_dec(x_76);
+lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; 
+lean_dec(x_164);
+lean_dec(x_163);
+lean_dec(x_162);
+lean_dec(x_160);
+lean_dec(x_157);
+lean_dec(x_156);
 lean_free_object(x_20);
 lean_free_object(x_12);
-x_99 = lean_ctor_get(x_85, 0);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_85, 1);
-lean_inc(x_100);
-if (lean_is_exclusive(x_85)) {
- lean_ctor_release(x_85, 0);
- lean_ctor_release(x_85, 1);
- x_101 = x_85;
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_199 = lean_ctor_get(x_165, 0);
+lean_inc(x_199);
+x_200 = lean_ctor_get(x_165, 1);
+lean_inc(x_200);
+if (lean_is_exclusive(x_165)) {
+ lean_ctor_release(x_165, 0);
+ lean_ctor_release(x_165, 1);
+ x_201 = x_165;
 } else {
- lean_dec_ref(x_85);
- x_101 = lean_box(0);
+ lean_dec_ref(x_165);
+ x_201 = lean_box(0);
 }
-if (lean_is_scalar(x_101)) {
- x_102 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_201)) {
+ x_202 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_102 = x_101;
+ x_202 = x_201;
 }
-lean_ctor_set(x_102, 0, x_99);
-lean_ctor_set(x_102, 1, x_100);
-return x_102;
+lean_ctor_set(x_202, 0, x_199);
+lean_ctor_set(x_202, 1, x_200);
+return x_202;
 }
 }
 else
 {
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_77);
-lean_dec(x_76);
+lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; 
+lean_dec(x_157);
+lean_dec(x_156);
 lean_free_object(x_20);
 lean_dec(x_24);
 lean_free_object(x_12);
@@ -4899,548 +9379,686 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_103 = lean_ctor_get(x_79, 0);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_79, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_79)) {
- lean_ctor_release(x_79, 0);
- lean_ctor_release(x_79, 1);
- x_105 = x_79;
+x_203 = lean_ctor_get(x_159, 0);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_159, 1);
+lean_inc(x_204);
+if (lean_is_exclusive(x_159)) {
+ lean_ctor_release(x_159, 0);
+ lean_ctor_release(x_159, 1);
+ x_205 = x_159;
 } else {
- lean_dec_ref(x_79);
- x_105 = lean_box(0);
+ lean_dec_ref(x_159);
+ x_205 = lean_box(0);
 }
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_205)) {
+ x_206 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_106 = x_105;
+ x_206 = x_205;
 }
-lean_ctor_set(x_106, 0, x_103);
-lean_ctor_set(x_106, 1, x_104);
-return x_106;
+lean_ctor_set(x_206, 0, x_203);
+lean_ctor_set(x_206, 1, x_204);
+return x_206;
 }
 }
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_111; lean_object* x_112; 
-x_107 = lean_ctor_get(x_20, 1);
-lean_inc(x_107);
+lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; uint8_t x_211; lean_object* x_212; 
+x_207 = lean_ctor_get(x_20, 1);
+lean_inc(x_207);
 lean_dec(x_20);
-x_108 = lean_ctor_get(x_21, 0);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_21, 1);
-lean_inc(x_109);
+x_208 = lean_ctor_get(x_21, 0);
+lean_inc(x_208);
+x_209 = lean_ctor_get(x_21, 1);
+lean_inc(x_209);
 if (lean_is_exclusive(x_21)) {
  lean_ctor_release(x_21, 0);
  lean_ctor_release(x_21, 1);
- x_110 = x_21;
+ x_210 = x_21;
 } else {
  lean_dec_ref(x_21);
- x_110 = lean_box(0);
+ x_210 = lean_box(0);
 }
-x_111 = 0;
+x_211 = 0;
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_108);
-x_112 = l_Lean_Meta_simpIfTarget(x_108, x_111, x_3, x_4, x_5, x_6, x_22);
-if (lean_obj_tag(x_112) == 0)
+lean_inc(x_208);
+x_212 = l_Lean_Meta_simpIfTarget(x_208, x_211, x_3, x_4, x_5, x_6, x_22);
+if (lean_obj_tag(x_212) == 0)
 {
-lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
-x_113 = lean_ctor_get(x_112, 0);
-lean_inc(x_113);
-x_114 = lean_ctor_get(x_112, 1);
-lean_inc(x_114);
-lean_dec(x_112);
-x_115 = lean_ctor_get(x_107, 0);
-lean_inc(x_115);
-x_116 = lean_ctor_get(x_107, 1);
-lean_inc(x_116);
-if (lean_is_exclusive(x_107)) {
- lean_ctor_release(x_107, 0);
- lean_ctor_release(x_107, 1);
- x_117 = x_107;
+lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; 
+x_213 = lean_ctor_get(x_212, 0);
+lean_inc(x_213);
+x_214 = lean_ctor_get(x_212, 1);
+lean_inc(x_214);
+lean_dec(x_212);
+x_215 = lean_ctor_get(x_207, 0);
+lean_inc(x_215);
+x_216 = lean_ctor_get(x_207, 1);
+lean_inc(x_216);
+if (lean_is_exclusive(x_207)) {
+ lean_ctor_release(x_207, 0);
+ lean_ctor_release(x_207, 1);
+ x_217 = x_207;
 } else {
- lean_dec_ref(x_107);
- x_117 = lean_box(0);
+ lean_dec_ref(x_207);
+ x_217 = lean_box(0);
 }
-lean_inc(x_115);
-x_118 = l_Lean_Meta_simpIfTarget(x_115, x_111, x_3, x_4, x_5, x_6, x_114);
-if (lean_obj_tag(x_118) == 0)
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_215);
+x_218 = l_Lean_Meta_simpIfTarget(x_215, x_211, x_3, x_4, x_5, x_6, x_214);
+if (lean_obj_tag(x_218) == 0)
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = lean_ctor_get(x_118, 0);
-lean_inc(x_119);
-x_120 = lean_ctor_get(x_118, 1);
-lean_inc(x_120);
-if (lean_is_exclusive(x_118)) {
- lean_ctor_release(x_118, 0);
- lean_ctor_release(x_118, 1);
- x_121 = x_118;
+lean_object* x_219; lean_object* x_220; lean_object* x_221; uint8_t x_222; 
+x_219 = lean_ctor_get(x_218, 0);
+lean_inc(x_219);
+x_220 = lean_ctor_get(x_218, 1);
+lean_inc(x_220);
+if (lean_is_exclusive(x_218)) {
+ lean_ctor_release(x_218, 0);
+ lean_ctor_release(x_218, 1);
+ x_221 = x_218;
 } else {
- lean_dec_ref(x_118);
- x_121 = lean_box(0);
+ lean_dec_ref(x_218);
+ x_221 = lean_box(0);
 }
-x_122 = lean_name_eq(x_108, x_113);
-lean_dec(x_108);
-if (x_122 == 0)
+x_222 = lean_name_eq(x_208, x_213);
+lean_dec(x_208);
+if (x_222 == 0)
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-lean_dec(x_115);
-if (lean_is_scalar(x_117)) {
- x_123 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; 
+lean_dec(x_215);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+if (lean_is_scalar(x_217)) {
+ x_223 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_123 = x_117;
+ x_223 = x_217;
 }
-lean_ctor_set(x_123, 0, x_113);
-lean_ctor_set(x_123, 1, x_109);
-if (lean_is_scalar(x_110)) {
- x_124 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_223, 0, x_213);
+lean_ctor_set(x_223, 1, x_209);
+if (lean_is_scalar(x_210)) {
+ x_224 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_124 = x_110;
+ x_224 = x_210;
 }
-lean_ctor_set(x_124, 0, x_119);
-lean_ctor_set(x_124, 1, x_116);
-x_125 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_125, 0, x_123);
-lean_ctor_set(x_125, 1, x_124);
-lean_ctor_set(x_12, 0, x_125);
-if (lean_is_scalar(x_121)) {
- x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_224, 0, x_219);
+lean_ctor_set(x_224, 1, x_216);
+x_225 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_225, 0, x_223);
+lean_ctor_set(x_225, 1, x_224);
+lean_ctor_set(x_12, 0, x_225);
+if (lean_is_scalar(x_221)) {
+ x_226 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_126 = x_121;
+ x_226 = x_221;
 }
-lean_ctor_set(x_126, 0, x_12);
-lean_ctor_set(x_126, 1, x_120);
-return x_126;
+lean_ctor_set(x_226, 0, x_12);
+lean_ctor_set(x_226, 1, x_220);
+return x_226;
 }
 else
 {
-uint8_t x_127; 
-x_127 = lean_name_eq(x_115, x_119);
-lean_dec(x_115);
-if (x_127 == 0)
+uint8_t x_227; 
+x_227 = lean_name_eq(x_215, x_219);
+lean_dec(x_215);
+if (x_227 == 0)
 {
-lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-if (lean_is_scalar(x_117)) {
- x_128 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+if (lean_is_scalar(x_217)) {
+ x_228 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_128 = x_117;
+ x_228 = x_217;
 }
-lean_ctor_set(x_128, 0, x_113);
-lean_ctor_set(x_128, 1, x_109);
-if (lean_is_scalar(x_110)) {
- x_129 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_228, 0, x_213);
+lean_ctor_set(x_228, 1, x_209);
+if (lean_is_scalar(x_210)) {
+ x_229 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_129 = x_110;
+ x_229 = x_210;
 }
-lean_ctor_set(x_129, 0, x_119);
-lean_ctor_set(x_129, 1, x_116);
-x_130 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_130, 0, x_128);
-lean_ctor_set(x_130, 1, x_129);
-lean_ctor_set(x_12, 0, x_130);
-if (lean_is_scalar(x_121)) {
- x_131 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_219);
+lean_ctor_set(x_229, 1, x_216);
+x_230 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_230, 0, x_228);
+lean_ctor_set(x_230, 1, x_229);
+lean_ctor_set(x_12, 0, x_230);
+if (lean_is_scalar(x_221)) {
+ x_231 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_131 = x_121;
+ x_231 = x_221;
 }
-lean_ctor_set(x_131, 0, x_12);
-lean_ctor_set(x_131, 1, x_120);
-return x_131;
+lean_ctor_set(x_231, 0, x_12);
+lean_ctor_set(x_231, 1, x_220);
+return x_231;
 }
 else
 {
-lean_object* x_132; lean_object* x_133; 
-lean_dec(x_119);
-lean_dec(x_117);
-lean_dec(x_116);
-lean_dec(x_113);
-lean_dec(x_110);
-lean_dec(x_109);
+lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; uint8_t x_238; 
+lean_dec(x_221);
+lean_dec(x_217);
+lean_dec(x_216);
+lean_dec(x_210);
+lean_dec(x_209);
 lean_free_object(x_12);
-x_132 = lean_box(0);
-if (lean_is_scalar(x_121)) {
- x_133 = lean_alloc_ctor(0, 2, 0);
+x_232 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_233 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_232, x_3, x_4, x_5, x_6, x_220);
+x_234 = lean_ctor_get(x_233, 0);
+lean_inc(x_234);
+x_235 = lean_ctor_get(x_233, 1);
+lean_inc(x_235);
+if (lean_is_exclusive(x_233)) {
+ lean_ctor_release(x_233, 0);
+ lean_ctor_release(x_233, 1);
+ x_236 = x_233;
 } else {
- x_133 = x_121;
+ lean_dec_ref(x_233);
+ x_236 = lean_box(0);
+}
+x_237 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_238 = lean_unbox(x_234);
+lean_dec(x_234);
+if (x_238 == 0)
+{
+lean_object* x_239; lean_object* x_240; 
+lean_dec(x_236);
+lean_dec(x_219);
+lean_dec(x_213);
+x_239 = lean_box(0);
+x_240 = lean_apply_6(x_237, x_239, x_3, x_4, x_5, x_6, x_235);
+return x_240;
+}
+else
+{
+lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; 
+x_241 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_241, 0, x_213);
+x_242 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+if (lean_is_scalar(x_236)) {
+ x_243 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_243 = x_236;
+ lean_ctor_set_tag(x_243, 7);
+}
+lean_ctor_set(x_243, 0, x_242);
+lean_ctor_set(x_243, 1, x_241);
+x_244 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_245 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_245, 0, x_243);
+lean_ctor_set(x_245, 1, x_244);
+x_246 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_246, 0, x_219);
+x_247 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_247, 0, x_245);
+lean_ctor_set(x_247, 1, x_246);
+x_248 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_249 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_249, 0, x_247);
+lean_ctor_set(x_249, 1, x_248);
+x_250 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_232, x_249, x_3, x_4, x_5, x_6, x_235);
+x_251 = lean_ctor_get(x_250, 0);
+lean_inc(x_251);
+x_252 = lean_ctor_get(x_250, 1);
+lean_inc(x_252);
+lean_dec(x_250);
+x_253 = lean_apply_6(x_237, x_251, x_3, x_4, x_5, x_6, x_252);
+return x_253;
 }
-lean_ctor_set(x_133, 0, x_132);
-lean_ctor_set(x_133, 1, x_120);
-return x_133;
 }
 }
 }
 else
 {
-lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-lean_dec(x_117);
-lean_dec(x_116);
-lean_dec(x_115);
-lean_dec(x_113);
-lean_dec(x_110);
-lean_dec(x_109);
-lean_dec(x_108);
-lean_free_object(x_12);
-x_134 = lean_ctor_get(x_118, 0);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_118, 1);
-lean_inc(x_135);
-if (lean_is_exclusive(x_118)) {
- lean_ctor_release(x_118, 0);
- lean_ctor_release(x_118, 1);
- x_136 = x_118;
-} else {
- lean_dec_ref(x_118);
- x_136 = lean_box(0);
-}
-if (lean_is_scalar(x_136)) {
- x_137 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_137 = x_136;
-}
-lean_ctor_set(x_137, 0, x_134);
-lean_ctor_set(x_137, 1, x_135);
-return x_137;
-}
-}
-else
-{
-lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
-lean_dec(x_110);
-lean_dec(x_109);
-lean_dec(x_108);
-lean_dec(x_107);
+lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; 
+lean_dec(x_217);
+lean_dec(x_216);
+lean_dec(x_215);
+lean_dec(x_213);
+lean_dec(x_210);
+lean_dec(x_209);
+lean_dec(x_208);
 lean_free_object(x_12);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_138 = lean_ctor_get(x_112, 0);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_112, 1);
-lean_inc(x_139);
-if (lean_is_exclusive(x_112)) {
- lean_ctor_release(x_112, 0);
- lean_ctor_release(x_112, 1);
- x_140 = x_112;
+x_254 = lean_ctor_get(x_218, 0);
+lean_inc(x_254);
+x_255 = lean_ctor_get(x_218, 1);
+lean_inc(x_255);
+if (lean_is_exclusive(x_218)) {
+ lean_ctor_release(x_218, 0);
+ lean_ctor_release(x_218, 1);
+ x_256 = x_218;
 } else {
- lean_dec_ref(x_112);
- x_140 = lean_box(0);
+ lean_dec_ref(x_218);
+ x_256 = lean_box(0);
 }
-if (lean_is_scalar(x_140)) {
- x_141 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_256)) {
+ x_257 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_141 = x_140;
+ x_257 = x_256;
 }
-lean_ctor_set(x_141, 0, x_138);
-lean_ctor_set(x_141, 1, x_139);
-return x_141;
+lean_ctor_set(x_257, 0, x_254);
+lean_ctor_set(x_257, 1, x_255);
+return x_257;
+}
+}
+else
+{
+lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; 
+lean_dec(x_210);
+lean_dec(x_209);
+lean_dec(x_208);
+lean_dec(x_207);
+lean_free_object(x_12);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_258 = lean_ctor_get(x_212, 0);
+lean_inc(x_258);
+x_259 = lean_ctor_get(x_212, 1);
+lean_inc(x_259);
+if (lean_is_exclusive(x_212)) {
+ lean_ctor_release(x_212, 0);
+ lean_ctor_release(x_212, 1);
+ x_260 = x_212;
+} else {
+ lean_dec_ref(x_212);
+ x_260 = lean_box(0);
+}
+if (lean_is_scalar(x_260)) {
+ x_261 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_261 = x_260;
+}
+lean_ctor_set(x_261, 0, x_258);
+lean_ctor_set(x_261, 1, x_259);
+return x_261;
 }
 }
 }
 else
 {
-lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; uint8_t x_150; lean_object* x_151; 
-x_142 = lean_ctor_get(x_12, 0);
-lean_inc(x_142);
+lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; uint8_t x_270; lean_object* x_271; 
+x_262 = lean_ctor_get(x_12, 0);
+lean_inc(x_262);
 lean_dec(x_12);
-x_143 = lean_ctor_get(x_142, 0);
-lean_inc(x_143);
-x_144 = lean_ctor_get(x_11, 1);
-lean_inc(x_144);
+x_263 = lean_ctor_get(x_262, 0);
+lean_inc(x_263);
+x_264 = lean_ctor_get(x_11, 1);
+lean_inc(x_264);
 lean_dec(x_11);
-x_145 = lean_ctor_get(x_142, 1);
-lean_inc(x_145);
-if (lean_is_exclusive(x_142)) {
- lean_ctor_release(x_142, 0);
- lean_ctor_release(x_142, 1);
- x_146 = x_142;
+x_265 = lean_ctor_get(x_262, 1);
+lean_inc(x_265);
+if (lean_is_exclusive(x_262)) {
+ lean_ctor_release(x_262, 0);
+ lean_ctor_release(x_262, 1);
+ x_266 = x_262;
 } else {
- lean_dec_ref(x_142);
- x_146 = lean_box(0);
+ lean_dec_ref(x_262);
+ x_266 = lean_box(0);
 }
-x_147 = lean_ctor_get(x_143, 0);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_143, 1);
-lean_inc(x_148);
-if (lean_is_exclusive(x_143)) {
- lean_ctor_release(x_143, 0);
- lean_ctor_release(x_143, 1);
- x_149 = x_143;
+x_267 = lean_ctor_get(x_263, 0);
+lean_inc(x_267);
+x_268 = lean_ctor_get(x_263, 1);
+lean_inc(x_268);
+if (lean_is_exclusive(x_263)) {
+ lean_ctor_release(x_263, 0);
+ lean_ctor_release(x_263, 1);
+ x_269 = x_263;
 } else {
- lean_dec_ref(x_143);
- x_149 = lean_box(0);
+ lean_dec_ref(x_263);
+ x_269 = lean_box(0);
 }
-x_150 = 0;
+x_270 = 0;
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_147);
-x_151 = l_Lean_Meta_simpIfTarget(x_147, x_150, x_3, x_4, x_5, x_6, x_144);
-if (lean_obj_tag(x_151) == 0)
+lean_inc(x_267);
+x_271 = l_Lean_Meta_simpIfTarget(x_267, x_270, x_3, x_4, x_5, x_6, x_264);
+if (lean_obj_tag(x_271) == 0)
 {
-lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
-x_152 = lean_ctor_get(x_151, 0);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_151, 1);
-lean_inc(x_153);
-lean_dec(x_151);
-x_154 = lean_ctor_get(x_145, 0);
-lean_inc(x_154);
-x_155 = lean_ctor_get(x_145, 1);
-lean_inc(x_155);
-if (lean_is_exclusive(x_145)) {
- lean_ctor_release(x_145, 0);
- lean_ctor_release(x_145, 1);
- x_156 = x_145;
+lean_object* x_272; lean_object* x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; lean_object* x_277; 
+x_272 = lean_ctor_get(x_271, 0);
+lean_inc(x_272);
+x_273 = lean_ctor_get(x_271, 1);
+lean_inc(x_273);
+lean_dec(x_271);
+x_274 = lean_ctor_get(x_265, 0);
+lean_inc(x_274);
+x_275 = lean_ctor_get(x_265, 1);
+lean_inc(x_275);
+if (lean_is_exclusive(x_265)) {
+ lean_ctor_release(x_265, 0);
+ lean_ctor_release(x_265, 1);
+ x_276 = x_265;
 } else {
- lean_dec_ref(x_145);
- x_156 = lean_box(0);
+ lean_dec_ref(x_265);
+ x_276 = lean_box(0);
 }
-lean_inc(x_154);
-x_157 = l_Lean_Meta_simpIfTarget(x_154, x_150, x_3, x_4, x_5, x_6, x_153);
-if (lean_obj_tag(x_157) == 0)
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_274);
+x_277 = l_Lean_Meta_simpIfTarget(x_274, x_270, x_3, x_4, x_5, x_6, x_273);
+if (lean_obj_tag(x_277) == 0)
 {
-lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-x_158 = lean_ctor_get(x_157, 0);
-lean_inc(x_158);
-x_159 = lean_ctor_get(x_157, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_157)) {
- lean_ctor_release(x_157, 0);
- lean_ctor_release(x_157, 1);
- x_160 = x_157;
+lean_object* x_278; lean_object* x_279; lean_object* x_280; uint8_t x_281; 
+x_278 = lean_ctor_get(x_277, 0);
+lean_inc(x_278);
+x_279 = lean_ctor_get(x_277, 1);
+lean_inc(x_279);
+if (lean_is_exclusive(x_277)) {
+ lean_ctor_release(x_277, 0);
+ lean_ctor_release(x_277, 1);
+ x_280 = x_277;
 } else {
- lean_dec_ref(x_157);
- x_160 = lean_box(0);
+ lean_dec_ref(x_277);
+ x_280 = lean_box(0);
 }
-x_161 = lean_name_eq(x_147, x_152);
-lean_dec(x_147);
-if (x_161 == 0)
+x_281 = lean_name_eq(x_267, x_272);
+lean_dec(x_267);
+if (x_281 == 0)
 {
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; 
-lean_dec(x_154);
-if (lean_is_scalar(x_156)) {
- x_162 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_162 = x_156;
-}
-lean_ctor_set(x_162, 0, x_152);
-lean_ctor_set(x_162, 1, x_148);
-if (lean_is_scalar(x_149)) {
- x_163 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_163 = x_149;
-}
-lean_ctor_set(x_163, 0, x_158);
-lean_ctor_set(x_163, 1, x_155);
-if (lean_is_scalar(x_146)) {
- x_164 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_164 = x_146;
-}
-lean_ctor_set(x_164, 0, x_162);
-lean_ctor_set(x_164, 1, x_163);
-x_165 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_165, 0, x_164);
-if (lean_is_scalar(x_160)) {
- x_166 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_166 = x_160;
-}
-lean_ctor_set(x_166, 0, x_165);
-lean_ctor_set(x_166, 1, x_159);
-return x_166;
-}
-else
-{
-uint8_t x_167; 
-x_167 = lean_name_eq(x_154, x_158);
-lean_dec(x_154);
-if (x_167 == 0)
-{
-lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; 
-if (lean_is_scalar(x_156)) {
- x_168 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_168 = x_156;
-}
-lean_ctor_set(x_168, 0, x_152);
-lean_ctor_set(x_168, 1, x_148);
-if (lean_is_scalar(x_149)) {
- x_169 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_169 = x_149;
-}
-lean_ctor_set(x_169, 0, x_158);
-lean_ctor_set(x_169, 1, x_155);
-if (lean_is_scalar(x_146)) {
- x_170 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_170 = x_146;
-}
-lean_ctor_set(x_170, 0, x_168);
-lean_ctor_set(x_170, 1, x_169);
-x_171 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_171, 0, x_170);
-if (lean_is_scalar(x_160)) {
- x_172 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_172 = x_160;
-}
-lean_ctor_set(x_172, 0, x_171);
-lean_ctor_set(x_172, 1, x_159);
-return x_172;
-}
-else
-{
-lean_object* x_173; lean_object* x_174; 
-lean_dec(x_158);
-lean_dec(x_156);
-lean_dec(x_155);
-lean_dec(x_152);
-lean_dec(x_149);
-lean_dec(x_148);
-lean_dec(x_146);
-x_173 = lean_box(0);
-if (lean_is_scalar(x_160)) {
- x_174 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_174 = x_160;
-}
-lean_ctor_set(x_174, 0, x_173);
-lean_ctor_set(x_174, 1, x_159);
-return x_174;
-}
-}
-}
-else
-{
-lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
-lean_dec(x_156);
-lean_dec(x_155);
-lean_dec(x_154);
-lean_dec(x_152);
-lean_dec(x_149);
-lean_dec(x_148);
-lean_dec(x_147);
-lean_dec(x_146);
-x_175 = lean_ctor_get(x_157, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_157, 1);
-lean_inc(x_176);
-if (lean_is_exclusive(x_157)) {
- lean_ctor_release(x_157, 0);
- lean_ctor_release(x_157, 1);
- x_177 = x_157;
-} else {
- lean_dec_ref(x_157);
- x_177 = lean_box(0);
-}
-if (lean_is_scalar(x_177)) {
- x_178 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_178 = x_177;
-}
-lean_ctor_set(x_178, 0, x_175);
-lean_ctor_set(x_178, 1, x_176);
-return x_178;
-}
-}
-else
-{
-lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
-lean_dec(x_149);
-lean_dec(x_148);
-lean_dec(x_147);
-lean_dec(x_146);
-lean_dec(x_145);
+lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; 
+lean_dec(x_274);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_179 = lean_ctor_get(x_151, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_151, 1);
-lean_inc(x_180);
-if (lean_is_exclusive(x_151)) {
- lean_ctor_release(x_151, 0);
- lean_ctor_release(x_151, 1);
- x_181 = x_151;
+if (lean_is_scalar(x_276)) {
+ x_282 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_151);
- x_181 = lean_box(0);
+ x_282 = x_276;
 }
-if (lean_is_scalar(x_181)) {
- x_182 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_282, 0, x_272);
+lean_ctor_set(x_282, 1, x_268);
+if (lean_is_scalar(x_269)) {
+ x_283 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_182 = x_181;
+ x_283 = x_269;
 }
-lean_ctor_set(x_182, 0, x_179);
-lean_ctor_set(x_182, 1, x_180);
-return x_182;
+lean_ctor_set(x_283, 0, x_278);
+lean_ctor_set(x_283, 1, x_275);
+if (lean_is_scalar(x_266)) {
+ x_284 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_284 = x_266;
+}
+lean_ctor_set(x_284, 0, x_282);
+lean_ctor_set(x_284, 1, x_283);
+x_285 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_285, 0, x_284);
+if (lean_is_scalar(x_280)) {
+ x_286 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_286 = x_280;
+}
+lean_ctor_set(x_286, 0, x_285);
+lean_ctor_set(x_286, 1, x_279);
+return x_286;
+}
+else
+{
+uint8_t x_287; 
+x_287 = lean_name_eq(x_274, x_278);
+lean_dec(x_274);
+if (x_287 == 0)
+{
+lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+if (lean_is_scalar(x_276)) {
+ x_288 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_288 = x_276;
+}
+lean_ctor_set(x_288, 0, x_272);
+lean_ctor_set(x_288, 1, x_268);
+if (lean_is_scalar(x_269)) {
+ x_289 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_289 = x_269;
+}
+lean_ctor_set(x_289, 0, x_278);
+lean_ctor_set(x_289, 1, x_275);
+if (lean_is_scalar(x_266)) {
+ x_290 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_290 = x_266;
+}
+lean_ctor_set(x_290, 0, x_288);
+lean_ctor_set(x_290, 1, x_289);
+x_291 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_291, 0, x_290);
+if (lean_is_scalar(x_280)) {
+ x_292 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_292 = x_280;
+}
+lean_ctor_set(x_292, 0, x_291);
+lean_ctor_set(x_292, 1, x_279);
+return x_292;
+}
+else
+{
+lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; uint8_t x_299; 
+lean_dec(x_280);
+lean_dec(x_276);
+lean_dec(x_275);
+lean_dec(x_269);
+lean_dec(x_268);
+lean_dec(x_266);
+x_293 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_294 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_293, x_3, x_4, x_5, x_6, x_279);
+x_295 = lean_ctor_get(x_294, 0);
+lean_inc(x_295);
+x_296 = lean_ctor_get(x_294, 1);
+lean_inc(x_296);
+if (lean_is_exclusive(x_294)) {
+ lean_ctor_release(x_294, 0);
+ lean_ctor_release(x_294, 1);
+ x_297 = x_294;
+} else {
+ lean_dec_ref(x_294);
+ x_297 = lean_box(0);
+}
+x_298 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_299 = lean_unbox(x_295);
+lean_dec(x_295);
+if (x_299 == 0)
+{
+lean_object* x_300; lean_object* x_301; 
+lean_dec(x_297);
+lean_dec(x_278);
+lean_dec(x_272);
+x_300 = lean_box(0);
+x_301 = lean_apply_6(x_298, x_300, x_3, x_4, x_5, x_6, x_296);
+return x_301;
+}
+else
+{
+lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; lean_object* x_313; lean_object* x_314; 
+x_302 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_302, 0, x_272);
+x_303 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+if (lean_is_scalar(x_297)) {
+ x_304 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_304 = x_297;
+ lean_ctor_set_tag(x_304, 7);
+}
+lean_ctor_set(x_304, 0, x_303);
+lean_ctor_set(x_304, 1, x_302);
+x_305 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_306 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_306, 0, x_304);
+lean_ctor_set(x_306, 1, x_305);
+x_307 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_307, 0, x_278);
+x_308 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_308, 0, x_306);
+lean_ctor_set(x_308, 1, x_307);
+x_309 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_310 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_310, 0, x_308);
+lean_ctor_set(x_310, 1, x_309);
+x_311 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_293, x_310, x_3, x_4, x_5, x_6, x_296);
+x_312 = lean_ctor_get(x_311, 0);
+lean_inc(x_312);
+x_313 = lean_ctor_get(x_311, 1);
+lean_inc(x_313);
+lean_dec(x_311);
+x_314 = lean_apply_6(x_298, x_312, x_3, x_4, x_5, x_6, x_313);
+return x_314;
 }
 }
 }
 }
 else
 {
-uint8_t x_183; 
+lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; 
+lean_dec(x_276);
+lean_dec(x_275);
+lean_dec(x_274);
+lean_dec(x_272);
+lean_dec(x_269);
+lean_dec(x_268);
+lean_dec(x_267);
+lean_dec(x_266);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_183 = !lean_is_exclusive(x_11);
-if (x_183 == 0)
+x_315 = lean_ctor_get(x_277, 0);
+lean_inc(x_315);
+x_316 = lean_ctor_get(x_277, 1);
+lean_inc(x_316);
+if (lean_is_exclusive(x_277)) {
+ lean_ctor_release(x_277, 0);
+ lean_ctor_release(x_277, 1);
+ x_317 = x_277;
+} else {
+ lean_dec_ref(x_277);
+ x_317 = lean_box(0);
+}
+if (lean_is_scalar(x_317)) {
+ x_318 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_318 = x_317;
+}
+lean_ctor_set(x_318, 0, x_315);
+lean_ctor_set(x_318, 1, x_316);
+return x_318;
+}
+}
+else
+{
+lean_object* x_319; lean_object* x_320; lean_object* x_321; lean_object* x_322; 
+lean_dec(x_269);
+lean_dec(x_268);
+lean_dec(x_267);
+lean_dec(x_266);
+lean_dec(x_265);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_319 = lean_ctor_get(x_271, 0);
+lean_inc(x_319);
+x_320 = lean_ctor_get(x_271, 1);
+lean_inc(x_320);
+if (lean_is_exclusive(x_271)) {
+ lean_ctor_release(x_271, 0);
+ lean_ctor_release(x_271, 1);
+ x_321 = x_271;
+} else {
+ lean_dec_ref(x_271);
+ x_321 = lean_box(0);
+}
+if (lean_is_scalar(x_321)) {
+ x_322 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_322 = x_321;
+}
+lean_ctor_set(x_322, 0, x_319);
+lean_ctor_set(x_322, 1, x_320);
+return x_322;
+}
+}
+}
+}
+else
+{
+uint8_t x_323; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_323 = !lean_is_exclusive(x_11);
+if (x_323 == 0)
 {
 return x_11;
 }
 else
 {
-lean_object* x_184; lean_object* x_185; lean_object* x_186; 
-x_184 = lean_ctor_get(x_11, 0);
-x_185 = lean_ctor_get(x_11, 1);
-lean_inc(x_185);
-lean_inc(x_184);
+lean_object* x_324; lean_object* x_325; lean_object* x_326; 
+x_324 = lean_ctor_get(x_11, 0);
+x_325 = lean_ctor_get(x_11, 1);
+lean_inc(x_325);
+lean_inc(x_324);
 lean_dec(x_11);
-x_186 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_186, 0, x_184);
-lean_ctor_set(x_186, 1, x_185);
-return x_186;
+x_326 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_326, 0, x_324);
+lean_ctor_set(x_326, 1, x_325);
+return x_326;
 }
 }
 }
 else
 {
-uint8_t x_187; 
+uint8_t x_327; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_187 = !lean_is_exclusive(x_8);
-if (x_187 == 0)
+x_327 = !lean_is_exclusive(x_8);
+if (x_327 == 0)
 {
 return x_8;
 }
 else
 {
-lean_object* x_188; lean_object* x_189; lean_object* x_190; 
-x_188 = lean_ctor_get(x_8, 0);
-x_189 = lean_ctor_get(x_8, 1);
-lean_inc(x_189);
-lean_inc(x_188);
+lean_object* x_328; lean_object* x_329; lean_object* x_330; 
+x_328 = lean_ctor_get(x_8, 0);
+x_329 = lean_ctor_get(x_8, 1);
+lean_inc(x_329);
+lean_inc(x_328);
 lean_dec(x_8);
-x_190 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_190, 0, x_188);
-lean_ctor_set(x_190, 1, x_189);
-return x_190;
+x_330 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_330, 0, x_328);
+lean_ctor_set(x_330, 1, x_329);
+return x_330;
 }
 }
 }
@@ -5449,13 +10067,26 @@ LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f(lean_object* x_1, lean_ob
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
-x_8 = lean_alloc_closure((void*)(l_Lean_Meta_splitIfTarget_x3f___lambda__1), 7, 2);
+x_8 = lean_alloc_closure((void*)(l_Lean_Meta_splitIfTarget_x3f___lambda__2), 7, 2);
 lean_closure_set(x_8, 0, x_1);
 lean_closure_set(x_8, 1, x_2);
 x_9 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1(x_8, x_3, x_4, x_5, x_6, x_7);
 return x_9;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Meta_splitIfTarget_x3f___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_7;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -5766,6 +10397,10 @@ lean_dec(x_28);
 x_31 = lean_ctor_get(x_26, 0);
 lean_inc(x_31);
 lean_dec(x_26);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
 lean_inc(x_31);
 x_32 = l_Lean_Meta_simpIfLocalDecl(x_31, x_4, x_5, x_6, x_7, x_8, x_30);
 if (lean_obj_tag(x_32) == 0)
@@ -5774,25 +10409,18 @@ uint8_t x_33;
 x_33 = !lean_is_exclusive(x_32);
 if (x_33 == 0)
 {
-lean_object* x_34; uint8_t x_35; 
+lean_object* x_34; lean_object* x_35; uint8_t x_36; 
 x_34 = lean_ctor_get(x_32, 0);
-x_35 = lean_name_eq(x_27, x_29);
+x_35 = lean_ctor_get(x_32, 1);
+x_36 = lean_name_eq(x_27, x_29);
 lean_dec(x_27);
-if (x_35 == 0)
-{
-lean_dec(x_31);
-lean_ctor_set(x_22, 1, x_34);
-lean_ctor_set(x_22, 0, x_29);
-lean_ctor_set(x_32, 0, x_14);
-return x_32;
-}
-else
-{
-uint8_t x_36; 
-x_36 = lean_name_eq(x_31, x_34);
-lean_dec(x_31);
 if (x_36 == 0)
 {
+lean_dec(x_31);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
 lean_ctor_set(x_22, 1, x_34);
 lean_ctor_set(x_22, 0, x_29);
 lean_ctor_set(x_32, 0, x_14);
@@ -5800,100 +10428,285 @@ return x_32;
 }
 else
 {
-lean_object* x_37; 
-lean_dec(x_34);
-lean_dec(x_29);
-lean_free_object(x_22);
-lean_free_object(x_14);
-x_37 = lean_box(0);
-lean_ctor_set(x_32, 0, x_37);
+uint8_t x_37; 
+x_37 = lean_name_eq(x_31, x_34);
+lean_dec(x_31);
+if (x_37 == 0)
+{
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_ctor_set(x_22, 1, x_34);
+lean_ctor_set(x_22, 0, x_29);
+lean_ctor_set(x_32, 0, x_14);
 return x_32;
 }
-}
-}
 else
 {
 lean_object* x_38; lean_object* x_39; uint8_t x_40; 
-x_38 = lean_ctor_get(x_32, 0);
-x_39 = lean_ctor_get(x_32, 1);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_dec(x_32);
-x_40 = lean_name_eq(x_27, x_29);
-lean_dec(x_27);
+lean_free_object(x_32);
+lean_free_object(x_22);
+lean_free_object(x_14);
+x_38 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_39 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_38, x_5, x_6, x_7, x_8, x_35);
+x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
-lean_object* x_41; 
-lean_dec(x_31);
-lean_ctor_set(x_22, 1, x_38);
-lean_ctor_set(x_22, 0, x_29);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_14);
-lean_ctor_set(x_41, 1, x_39);
-return x_41;
-}
-else
+lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
+x_41 = lean_ctor_get(x_39, 0);
+x_42 = lean_ctor_get(x_39, 1);
+x_43 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_44 = lean_unbox(x_41);
+lean_dec(x_41);
+if (x_44 == 0)
 {
-uint8_t x_42; 
-x_42 = lean_name_eq(x_31, x_38);
-lean_dec(x_31);
-if (x_42 == 0)
-{
-lean_object* x_43; 
-lean_ctor_set(x_22, 1, x_38);
-lean_ctor_set(x_22, 0, x_29);
-x_43 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_43, 0, x_14);
-lean_ctor_set(x_43, 1, x_39);
-return x_43;
-}
-else
-{
-lean_object* x_44; lean_object* x_45; 
-lean_dec(x_38);
+lean_object* x_45; lean_object* x_46; 
+lean_free_object(x_39);
+lean_dec(x_34);
 lean_dec(x_29);
+x_45 = lean_box(0);
+x_46 = lean_apply_6(x_43, x_45, x_5, x_6, x_7, x_8, x_42);
+return x_46;
+}
+else
+{
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+x_47 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_47, 0, x_29);
+x_48 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+lean_ctor_set_tag(x_39, 7);
+lean_ctor_set(x_39, 1, x_47);
+lean_ctor_set(x_39, 0, x_48);
+x_49 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_50 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_50, 0, x_39);
+lean_ctor_set(x_50, 1, x_49);
+x_51 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_51, 0, x_34);
+x_52 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+x_53 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_54 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+x_55 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_38, x_54, x_5, x_6, x_7, x_8, x_42);
+x_56 = lean_ctor_get(x_55, 0);
+lean_inc(x_56);
+x_57 = lean_ctor_get(x_55, 1);
+lean_inc(x_57);
+lean_dec(x_55);
+x_58 = lean_apply_6(x_43, x_56, x_5, x_6, x_7, x_8, x_57);
+return x_58;
+}
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+x_59 = lean_ctor_get(x_39, 0);
+x_60 = lean_ctor_get(x_39, 1);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_39);
+x_61 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_62 = lean_unbox(x_59);
+lean_dec(x_59);
+if (x_62 == 0)
+{
+lean_object* x_63; lean_object* x_64; 
+lean_dec(x_34);
+lean_dec(x_29);
+x_63 = lean_box(0);
+x_64 = lean_apply_6(x_61, x_63, x_5, x_6, x_7, x_8, x_60);
+return x_64;
+}
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+x_65 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_65, 0, x_29);
+x_66 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+x_67 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_65);
+x_68 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_69 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_69, 0, x_67);
+lean_ctor_set(x_69, 1, x_68);
+x_70 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_70, 0, x_34);
+x_71 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_71, 0, x_69);
+lean_ctor_set(x_71, 1, x_70);
+x_72 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_73 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_73, 0, x_71);
+lean_ctor_set(x_73, 1, x_72);
+x_74 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_38, x_73, x_5, x_6, x_7, x_8, x_60);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_77 = lean_apply_6(x_61, x_75, x_5, x_6, x_7, x_8, x_76);
+return x_77;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_78 = lean_ctor_get(x_32, 0);
+x_79 = lean_ctor_get(x_32, 1);
+lean_inc(x_79);
+lean_inc(x_78);
+lean_dec(x_32);
+x_80 = lean_name_eq(x_27, x_29);
+lean_dec(x_27);
+if (x_80 == 0)
+{
+lean_object* x_81; 
+lean_dec(x_31);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_ctor_set(x_22, 1, x_78);
+lean_ctor_set(x_22, 0, x_29);
+x_81 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_81, 0, x_14);
+lean_ctor_set(x_81, 1, x_79);
+return x_81;
+}
+else
+{
+uint8_t x_82; 
+x_82 = lean_name_eq(x_31, x_78);
+lean_dec(x_31);
+if (x_82 == 0)
+{
+lean_object* x_83; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_ctor_set(x_22, 1, x_78);
+lean_ctor_set(x_22, 0, x_29);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_14);
+lean_ctor_set(x_83, 1, x_79);
+return x_83;
+}
+else
+{
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
 lean_free_object(x_22);
 lean_free_object(x_14);
-x_44 = lean_box(0);
-x_45 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_45, 0, x_44);
-lean_ctor_set(x_45, 1, x_39);
-return x_45;
+x_84 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_85 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_84, x_5, x_6, x_7, x_8, x_79);
+x_86 = lean_ctor_get(x_85, 0);
+lean_inc(x_86);
+x_87 = lean_ctor_get(x_85, 1);
+lean_inc(x_87);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_88 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_88 = lean_box(0);
+}
+x_89 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_90 = lean_unbox(x_86);
+lean_dec(x_86);
+if (x_90 == 0)
+{
+lean_object* x_91; lean_object* x_92; 
+lean_dec(x_88);
+lean_dec(x_78);
+lean_dec(x_29);
+x_91 = lean_box(0);
+x_92 = lean_apply_6(x_89, x_91, x_5, x_6, x_7, x_8, x_87);
+return x_92;
+}
+else
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_93 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_93, 0, x_29);
+x_94 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+if (lean_is_scalar(x_88)) {
+ x_95 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_95 = x_88;
+ lean_ctor_set_tag(x_95, 7);
+}
+lean_ctor_set(x_95, 0, x_94);
+lean_ctor_set(x_95, 1, x_93);
+x_96 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_97 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_97, 0, x_95);
+lean_ctor_set(x_97, 1, x_96);
+x_98 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_98, 0, x_78);
+x_99 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_99, 0, x_97);
+lean_ctor_set(x_99, 1, x_98);
+x_100 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_101 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+x_102 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_84, x_101, x_5, x_6, x_7, x_8, x_87);
+x_103 = lean_ctor_get(x_102, 0);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_102, 1);
+lean_inc(x_104);
+lean_dec(x_102);
+x_105 = lean_apply_6(x_89, x_103, x_5, x_6, x_7, x_8, x_104);
+return x_105;
+}
 }
 }
 }
 }
 else
 {
-uint8_t x_46; 
+uint8_t x_106; 
 lean_dec(x_31);
 lean_dec(x_29);
 lean_dec(x_27);
 lean_free_object(x_22);
 lean_free_object(x_14);
-x_46 = !lean_is_exclusive(x_32);
-if (x_46 == 0)
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_106 = !lean_is_exclusive(x_32);
+if (x_106 == 0)
 {
 return x_32;
 }
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_32, 0);
-x_48 = lean_ctor_get(x_32, 1);
-lean_inc(x_48);
-lean_inc(x_47);
+lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_107 = lean_ctor_get(x_32, 0);
+x_108 = lean_ctor_get(x_32, 1);
+lean_inc(x_108);
+lean_inc(x_107);
 lean_dec(x_32);
-x_49 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_49, 0, x_47);
-lean_ctor_set(x_49, 1, x_48);
-return x_49;
+x_109 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_109, 0, x_107);
+lean_ctor_set(x_109, 1, x_108);
+return x_109;
 }
 }
 }
 else
 {
-uint8_t x_50; 
+uint8_t x_110; 
 lean_dec(x_27);
 lean_free_object(x_22);
 lean_dec(x_26);
@@ -5903,415 +10716,553 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_50 = !lean_is_exclusive(x_28);
-if (x_50 == 0)
+x_110 = !lean_is_exclusive(x_28);
+if (x_110 == 0)
 {
 return x_28;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_28, 0);
-x_52 = lean_ctor_get(x_28, 1);
-lean_inc(x_52);
-lean_inc(x_51);
+lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+x_111 = lean_ctor_get(x_28, 0);
+x_112 = lean_ctor_get(x_28, 1);
+lean_inc(x_112);
+lean_inc(x_111);
 lean_dec(x_28);
-x_53 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_53, 0, x_51);
-lean_ctor_set(x_53, 1, x_52);
-return x_53;
+x_113 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_113, 0, x_111);
+lean_ctor_set(x_113, 1, x_112);
+return x_113;
 }
 }
 }
 else
 {
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_54 = lean_ctor_get(x_22, 0);
-x_55 = lean_ctor_get(x_22, 1);
-lean_inc(x_55);
-lean_inc(x_54);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+x_114 = lean_ctor_get(x_22, 0);
+x_115 = lean_ctor_get(x_22, 1);
+lean_inc(x_115);
+lean_inc(x_114);
 lean_dec(x_22);
-x_56 = lean_ctor_get(x_54, 0);
-lean_inc(x_56);
-lean_dec(x_54);
+x_116 = lean_ctor_get(x_114, 0);
+lean_inc(x_116);
+lean_dec(x_114);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_56);
-x_57 = l_Lean_Meta_simpIfLocalDecl(x_56, x_4, x_5, x_6, x_7, x_8, x_23);
-if (lean_obj_tag(x_57) == 0)
+lean_inc(x_116);
+x_117 = l_Lean_Meta_simpIfLocalDecl(x_116, x_4, x_5, x_6, x_7, x_8, x_23);
+if (lean_obj_tag(x_117) == 0)
 {
-lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_58 = lean_ctor_get(x_57, 0);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_57, 1);
-lean_inc(x_59);
-lean_dec(x_57);
-x_60 = lean_ctor_get(x_55, 0);
-lean_inc(x_60);
-lean_dec(x_55);
-lean_inc(x_60);
-x_61 = l_Lean_Meta_simpIfLocalDecl(x_60, x_4, x_5, x_6, x_7, x_8, x_59);
-if (lean_obj_tag(x_61) == 0)
+lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+lean_dec(x_117);
+x_120 = lean_ctor_get(x_115, 0);
+lean_inc(x_120);
+lean_dec(x_115);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_120);
+x_121 = l_Lean_Meta_simpIfLocalDecl(x_120, x_4, x_5, x_6, x_7, x_8, x_119);
+if (lean_obj_tag(x_121) == 0)
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; 
-x_62 = lean_ctor_get(x_61, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_61, 1);
-lean_inc(x_63);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- x_64 = x_61;
+lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; 
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+if (lean_is_exclusive(x_121)) {
+ lean_ctor_release(x_121, 0);
+ lean_ctor_release(x_121, 1);
+ x_124 = x_121;
 } else {
- lean_dec_ref(x_61);
- x_64 = lean_box(0);
+ lean_dec_ref(x_121);
+ x_124 = lean_box(0);
 }
-x_65 = lean_name_eq(x_56, x_58);
-lean_dec(x_56);
-if (x_65 == 0)
+x_125 = lean_name_eq(x_116, x_118);
+lean_dec(x_116);
+if (x_125 == 0)
 {
-lean_object* x_66; lean_object* x_67; 
-lean_dec(x_60);
-x_66 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_66, 0, x_58);
-lean_ctor_set(x_66, 1, x_62);
-lean_ctor_set(x_14, 0, x_66);
-if (lean_is_scalar(x_64)) {
- x_67 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_126; lean_object* x_127; 
+lean_dec(x_120);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_126, 0, x_118);
+lean_ctor_set(x_126, 1, x_122);
+lean_ctor_set(x_14, 0, x_126);
+if (lean_is_scalar(x_124)) {
+ x_127 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_67 = x_64;
+ x_127 = x_124;
 }
-lean_ctor_set(x_67, 0, x_14);
-lean_ctor_set(x_67, 1, x_63);
-return x_67;
+lean_ctor_set(x_127, 0, x_14);
+lean_ctor_set(x_127, 1, x_123);
+return x_127;
 }
 else
 {
-uint8_t x_68; 
-x_68 = lean_name_eq(x_60, x_62);
-lean_dec(x_60);
-if (x_68 == 0)
+uint8_t x_128; 
+x_128 = lean_name_eq(x_120, x_122);
+lean_dec(x_120);
+if (x_128 == 0)
 {
-lean_object* x_69; lean_object* x_70; 
-x_69 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_69, 0, x_58);
-lean_ctor_set(x_69, 1, x_62);
-lean_ctor_set(x_14, 0, x_69);
-if (lean_is_scalar(x_64)) {
- x_70 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_129; lean_object* x_130; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_129 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_129, 0, x_118);
+lean_ctor_set(x_129, 1, x_122);
+lean_ctor_set(x_14, 0, x_129);
+if (lean_is_scalar(x_124)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_70 = x_64;
+ x_130 = x_124;
 }
-lean_ctor_set(x_70, 0, x_14);
-lean_ctor_set(x_70, 1, x_63);
-return x_70;
+lean_ctor_set(x_130, 0, x_14);
+lean_ctor_set(x_130, 1, x_123);
+return x_130;
 }
 else
 {
-lean_object* x_71; lean_object* x_72; 
-lean_dec(x_62);
-lean_dec(x_58);
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
+lean_dec(x_124);
 lean_free_object(x_14);
-x_71 = lean_box(0);
-if (lean_is_scalar(x_64)) {
- x_72 = lean_alloc_ctor(0, 2, 0);
+x_131 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_132 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_131, x_5, x_6, x_7, x_8, x_123);
+x_133 = lean_ctor_get(x_132, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_132, 1);
+lean_inc(x_134);
+if (lean_is_exclusive(x_132)) {
+ lean_ctor_release(x_132, 0);
+ lean_ctor_release(x_132, 1);
+ x_135 = x_132;
 } else {
- x_72 = x_64;
+ lean_dec_ref(x_132);
+ x_135 = lean_box(0);
+}
+x_136 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_137 = lean_unbox(x_133);
+lean_dec(x_133);
+if (x_137 == 0)
+{
+lean_object* x_138; lean_object* x_139; 
+lean_dec(x_135);
+lean_dec(x_122);
+lean_dec(x_118);
+x_138 = lean_box(0);
+x_139 = lean_apply_6(x_136, x_138, x_5, x_6, x_7, x_8, x_134);
+return x_139;
+}
+else
+{
+lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; 
+x_140 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_140, 0, x_118);
+x_141 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+if (lean_is_scalar(x_135)) {
+ x_142 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_142 = x_135;
+ lean_ctor_set_tag(x_142, 7);
+}
+lean_ctor_set(x_142, 0, x_141);
+lean_ctor_set(x_142, 1, x_140);
+x_143 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_144 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_144, 0, x_142);
+lean_ctor_set(x_144, 1, x_143);
+x_145 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_145, 0, x_122);
+x_146 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_146, 0, x_144);
+lean_ctor_set(x_146, 1, x_145);
+x_147 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_148 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_148, 0, x_146);
+lean_ctor_set(x_148, 1, x_147);
+x_149 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_131, x_148, x_5, x_6, x_7, x_8, x_134);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+x_152 = lean_apply_6(x_136, x_150, x_5, x_6, x_7, x_8, x_151);
+return x_152;
 }
-lean_ctor_set(x_72, 0, x_71);
-lean_ctor_set(x_72, 1, x_63);
-return x_72;
 }
 }
 }
 else
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-lean_dec(x_60);
-lean_dec(x_58);
-lean_dec(x_56);
+lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; 
+lean_dec(x_120);
+lean_dec(x_118);
+lean_dec(x_116);
 lean_free_object(x_14);
-x_73 = lean_ctor_get(x_61, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_61, 1);
-lean_inc(x_74);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- x_75 = x_61;
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_153 = lean_ctor_get(x_121, 0);
+lean_inc(x_153);
+x_154 = lean_ctor_get(x_121, 1);
+lean_inc(x_154);
+if (lean_is_exclusive(x_121)) {
+ lean_ctor_release(x_121, 0);
+ lean_ctor_release(x_121, 1);
+ x_155 = x_121;
 } else {
- lean_dec_ref(x_61);
- x_75 = lean_box(0);
+ lean_dec_ref(x_121);
+ x_155 = lean_box(0);
 }
-if (lean_is_scalar(x_75)) {
- x_76 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_155)) {
+ x_156 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_76 = x_75;
+ x_156 = x_155;
 }
-lean_ctor_set(x_76, 0, x_73);
-lean_ctor_set(x_76, 1, x_74);
-return x_76;
+lean_ctor_set(x_156, 0, x_153);
+lean_ctor_set(x_156, 1, x_154);
+return x_156;
 }
 }
 else
 {
-lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-lean_dec(x_56);
-lean_dec(x_55);
+lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; 
+lean_dec(x_116);
+lean_dec(x_115);
 lean_free_object(x_14);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_77 = lean_ctor_get(x_57, 0);
-lean_inc(x_77);
-x_78 = lean_ctor_get(x_57, 1);
-lean_inc(x_78);
-if (lean_is_exclusive(x_57)) {
- lean_ctor_release(x_57, 0);
- lean_ctor_release(x_57, 1);
- x_79 = x_57;
+x_157 = lean_ctor_get(x_117, 0);
+lean_inc(x_157);
+x_158 = lean_ctor_get(x_117, 1);
+lean_inc(x_158);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_159 = x_117;
 } else {
- lean_dec_ref(x_57);
- x_79 = lean_box(0);
+ lean_dec_ref(x_117);
+ x_159 = lean_box(0);
 }
-if (lean_is_scalar(x_79)) {
- x_80 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_159)) {
+ x_160 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_80 = x_79;
+ x_160 = x_159;
 }
-lean_ctor_set(x_80, 0, x_77);
-lean_ctor_set(x_80, 1, x_78);
-return x_80;
+lean_ctor_set(x_160, 0, x_157);
+lean_ctor_set(x_160, 1, x_158);
+return x_160;
 }
 }
 }
 else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_81 = lean_ctor_get(x_14, 0);
-lean_inc(x_81);
+lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; 
+x_161 = lean_ctor_get(x_14, 0);
+lean_inc(x_161);
 lean_dec(x_14);
-x_82 = lean_ctor_get(x_13, 1);
-lean_inc(x_82);
+x_162 = lean_ctor_get(x_13, 1);
+lean_inc(x_162);
 lean_dec(x_13);
-x_83 = lean_ctor_get(x_81, 0);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_81, 1);
-lean_inc(x_84);
-if (lean_is_exclusive(x_81)) {
- lean_ctor_release(x_81, 0);
- lean_ctor_release(x_81, 1);
- x_85 = x_81;
+x_163 = lean_ctor_get(x_161, 0);
+lean_inc(x_163);
+x_164 = lean_ctor_get(x_161, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_161)) {
+ lean_ctor_release(x_161, 0);
+ lean_ctor_release(x_161, 1);
+ x_165 = x_161;
 } else {
- lean_dec_ref(x_81);
- x_85 = lean_box(0);
+ lean_dec_ref(x_161);
+ x_165 = lean_box(0);
 }
-x_86 = lean_ctor_get(x_83, 0);
-lean_inc(x_86);
-lean_dec(x_83);
+x_166 = lean_ctor_get(x_163, 0);
+lean_inc(x_166);
+lean_dec(x_163);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_86);
-x_87 = l_Lean_Meta_simpIfLocalDecl(x_86, x_4, x_5, x_6, x_7, x_8, x_82);
-if (lean_obj_tag(x_87) == 0)
+lean_inc(x_166);
+x_167 = l_Lean_Meta_simpIfLocalDecl(x_166, x_4, x_5, x_6, x_7, x_8, x_162);
+if (lean_obj_tag(x_167) == 0)
 {
-lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_88 = lean_ctor_get(x_87, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_87, 1);
-lean_inc(x_89);
-lean_dec(x_87);
-x_90 = lean_ctor_get(x_84, 0);
-lean_inc(x_90);
-lean_dec(x_84);
-lean_inc(x_90);
-x_91 = l_Lean_Meta_simpIfLocalDecl(x_90, x_4, x_5, x_6, x_7, x_8, x_89);
-if (lean_obj_tag(x_91) == 0)
+lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_168 = lean_ctor_get(x_167, 0);
+lean_inc(x_168);
+x_169 = lean_ctor_get(x_167, 1);
+lean_inc(x_169);
+lean_dec(x_167);
+x_170 = lean_ctor_get(x_164, 0);
+lean_inc(x_170);
+lean_dec(x_164);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_170);
+x_171 = l_Lean_Meta_simpIfLocalDecl(x_170, x_4, x_5, x_6, x_7, x_8, x_169);
+if (lean_obj_tag(x_171) == 0)
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; uint8_t x_95; 
-x_92 = lean_ctor_get(x_91, 0);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_91, 1);
-lean_inc(x_93);
-if (lean_is_exclusive(x_91)) {
- lean_ctor_release(x_91, 0);
- lean_ctor_release(x_91, 1);
- x_94 = x_91;
+lean_object* x_172; lean_object* x_173; lean_object* x_174; uint8_t x_175; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_ctor_get(x_171, 1);
+lean_inc(x_173);
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_174 = x_171;
 } else {
- lean_dec_ref(x_91);
- x_94 = lean_box(0);
+ lean_dec_ref(x_171);
+ x_174 = lean_box(0);
 }
-x_95 = lean_name_eq(x_86, x_88);
-lean_dec(x_86);
-if (x_95 == 0)
+x_175 = lean_name_eq(x_166, x_168);
+lean_dec(x_166);
+if (x_175 == 0)
 {
-lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-lean_dec(x_90);
-if (lean_is_scalar(x_85)) {
- x_96 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+lean_dec(x_170);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+if (lean_is_scalar(x_165)) {
+ x_176 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_96 = x_85;
+ x_176 = x_165;
 }
-lean_ctor_set(x_96, 0, x_88);
-lean_ctor_set(x_96, 1, x_92);
-x_97 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_97, 0, x_96);
-if (lean_is_scalar(x_94)) {
- x_98 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_176, 0, x_168);
+lean_ctor_set(x_176, 1, x_172);
+x_177 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_177, 0, x_176);
+if (lean_is_scalar(x_174)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_98 = x_94;
+ x_178 = x_174;
 }
-lean_ctor_set(x_98, 0, x_97);
-lean_ctor_set(x_98, 1, x_93);
-return x_98;
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_173);
+return x_178;
 }
 else
 {
-uint8_t x_99; 
-x_99 = lean_name_eq(x_90, x_92);
-lean_dec(x_90);
-if (x_99 == 0)
+uint8_t x_179; 
+x_179 = lean_name_eq(x_170, x_172);
+lean_dec(x_170);
+if (x_179 == 0)
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-if (lean_is_scalar(x_85)) {
- x_100 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_180; lean_object* x_181; lean_object* x_182; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+if (lean_is_scalar(x_165)) {
+ x_180 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_100 = x_85;
+ x_180 = x_165;
 }
-lean_ctor_set(x_100, 0, x_88);
-lean_ctor_set(x_100, 1, x_92);
-x_101 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_101, 0, x_100);
-if (lean_is_scalar(x_94)) {
- x_102 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_180, 0, x_168);
+lean_ctor_set(x_180, 1, x_172);
+x_181 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_181, 0, x_180);
+if (lean_is_scalar(x_174)) {
+ x_182 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_102 = x_94;
+ x_182 = x_174;
 }
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_93);
-return x_102;
+lean_ctor_set(x_182, 0, x_181);
+lean_ctor_set(x_182, 1, x_173);
+return x_182;
 }
 else
 {
-lean_object* x_103; lean_object* x_104; 
-lean_dec(x_92);
-lean_dec(x_88);
-lean_dec(x_85);
-x_103 = lean_box(0);
-if (lean_is_scalar(x_94)) {
- x_104 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; uint8_t x_189; 
+lean_dec(x_174);
+lean_dec(x_165);
+x_183 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__2;
+x_184 = l_Lean_isTracingEnabledFor___at_Lean_Meta_processPostponed_loop___spec__1(x_183, x_5, x_6, x_7, x_8, x_173);
+x_185 = lean_ctor_get(x_184, 0);
+lean_inc(x_185);
+x_186 = lean_ctor_get(x_184, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_184)) {
+ lean_ctor_release(x_184, 0);
+ lean_ctor_release(x_184, 1);
+ x_187 = x_184;
 } else {
- x_104 = x_94;
+ lean_dec_ref(x_184);
+ x_187 = lean_box(0);
+}
+x_188 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__3;
+x_189 = lean_unbox(x_185);
+lean_dec(x_185);
+if (x_189 == 0)
+{
+lean_object* x_190; lean_object* x_191; 
+lean_dec(x_187);
+lean_dec(x_172);
+lean_dec(x_168);
+x_190 = lean_box(0);
+x_191 = lean_apply_6(x_188, x_190, x_5, x_6, x_7, x_8, x_186);
+return x_191;
+}
+else
+{
+lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; 
+x_192 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_192, 0, x_168);
+x_193 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__5;
+if (lean_is_scalar(x_187)) {
+ x_194 = lean_alloc_ctor(7, 2, 0);
+} else {
+ x_194 = x_187;
+ lean_ctor_set_tag(x_194, 7);
+}
+lean_ctor_set(x_194, 0, x_193);
+lean_ctor_set(x_194, 1, x_192);
+x_195 = l_Lean_Meta_splitIfTarget_x3f___lambda__2___closed__7;
+x_196 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_196, 0, x_194);
+lean_ctor_set(x_196, 1, x_195);
+x_197 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_197, 0, x_172);
+x_198 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_198, 0, x_196);
+lean_ctor_set(x_198, 1, x_197);
+x_199 = l_Lean_Meta_findSplit_x3f_find_x3f___closed__7;
+x_200 = lean_alloc_ctor(7, 2, 0);
+lean_ctor_set(x_200, 0, x_198);
+lean_ctor_set(x_200, 1, x_199);
+x_201 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__2(x_183, x_200, x_5, x_6, x_7, x_8, x_186);
+x_202 = lean_ctor_get(x_201, 0);
+lean_inc(x_202);
+x_203 = lean_ctor_get(x_201, 1);
+lean_inc(x_203);
+lean_dec(x_201);
+x_204 = lean_apply_6(x_188, x_202, x_5, x_6, x_7, x_8, x_203);
+return x_204;
 }
-lean_ctor_set(x_104, 0, x_103);
-lean_ctor_set(x_104, 1, x_93);
-return x_104;
 }
 }
 }
 else
 {
-lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-lean_dec(x_90);
-lean_dec(x_88);
-lean_dec(x_86);
-lean_dec(x_85);
-x_105 = lean_ctor_get(x_91, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_91, 1);
-lean_inc(x_106);
-if (lean_is_exclusive(x_91)) {
- lean_ctor_release(x_91, 0);
- lean_ctor_release(x_91, 1);
- x_107 = x_91;
+lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; 
+lean_dec(x_170);
+lean_dec(x_168);
+lean_dec(x_166);
+lean_dec(x_165);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_205 = lean_ctor_get(x_171, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_171, 1);
+lean_inc(x_206);
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_207 = x_171;
 } else {
- lean_dec_ref(x_91);
- x_107 = lean_box(0);
+ lean_dec_ref(x_171);
+ x_207 = lean_box(0);
 }
-if (lean_is_scalar(x_107)) {
- x_108 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_207)) {
+ x_208 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_108 = x_107;
+ x_208 = x_207;
 }
-lean_ctor_set(x_108, 0, x_105);
-lean_ctor_set(x_108, 1, x_106);
-return x_108;
+lean_ctor_set(x_208, 0, x_205);
+lean_ctor_set(x_208, 1, x_206);
+return x_208;
 }
 }
 else
 {
-lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-lean_dec(x_86);
-lean_dec(x_85);
-lean_dec(x_84);
+lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
+lean_dec(x_166);
+lean_dec(x_165);
+lean_dec(x_164);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_109 = lean_ctor_get(x_87, 0);
-lean_inc(x_109);
-x_110 = lean_ctor_get(x_87, 1);
-lean_inc(x_110);
-if (lean_is_exclusive(x_87)) {
- lean_ctor_release(x_87, 0);
- lean_ctor_release(x_87, 1);
- x_111 = x_87;
+x_209 = lean_ctor_get(x_167, 0);
+lean_inc(x_209);
+x_210 = lean_ctor_get(x_167, 1);
+lean_inc(x_210);
+if (lean_is_exclusive(x_167)) {
+ lean_ctor_release(x_167, 0);
+ lean_ctor_release(x_167, 1);
+ x_211 = x_167;
 } else {
- lean_dec_ref(x_87);
- x_111 = lean_box(0);
+ lean_dec_ref(x_167);
+ x_211 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_211)) {
+ x_212 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_112 = x_111;
+ x_212 = x_211;
 }
-lean_ctor_set(x_112, 0, x_109);
-lean_ctor_set(x_112, 1, x_110);
-return x_112;
+lean_ctor_set(x_212, 0, x_209);
+lean_ctor_set(x_212, 1, x_210);
+return x_212;
 }
 }
 }
 }
 else
 {
-uint8_t x_113; 
+uint8_t x_213; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_113 = !lean_is_exclusive(x_13);
-if (x_113 == 0)
+x_213 = !lean_is_exclusive(x_13);
+if (x_213 == 0)
 {
 return x_13;
 }
 else
 {
-lean_object* x_114; lean_object* x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_13, 0);
-x_115 = lean_ctor_get(x_13, 1);
-lean_inc(x_115);
-lean_inc(x_114);
+lean_object* x_214; lean_object* x_215; lean_object* x_216; 
+x_214 = lean_ctor_get(x_13, 0);
+x_215 = lean_ctor_get(x_13, 1);
+lean_inc(x_215);
+lean_inc(x_214);
 lean_dec(x_13);
-x_116 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_116, 0, x_114);
-lean_ctor_set(x_116, 1, x_115);
-return x_116;
+x_216 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_216, 0, x_214);
+lean_ctor_set(x_216, 1, x_215);
+return x_216;
 }
 }
 }
 else
 {
-uint8_t x_117; 
+uint8_t x_217; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -6319,23 +11270,23 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_117 = !lean_is_exclusive(x_10);
-if (x_117 == 0)
+x_217 = !lean_is_exclusive(x_10);
+if (x_217 == 0)
 {
 return x_10;
 }
 else
 {
-lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_118 = lean_ctor_get(x_10, 0);
-x_119 = lean_ctor_get(x_10, 1);
-lean_inc(x_119);
-lean_inc(x_118);
+lean_object* x_218; lean_object* x_219; lean_object* x_220; 
+x_218 = lean_ctor_get(x_10, 0);
+x_219 = lean_ctor_get(x_10, 1);
+lean_inc(x_219);
+lean_inc(x_218);
 lean_dec(x_10);
-x_120 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_120, 0, x_118);
-lean_ctor_set(x_120, 1, x_119);
-return x_120;
+x_220 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_220, 0, x_218);
+lean_ctor_set(x_220, 1, x_219);
+return x_220;
 }
 }
 }
@@ -6359,7 +11310,7 @@ x_12 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1(x
 return x_12;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__1() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -6367,27 +11318,27 @@ x_1 = lean_mk_string_unchecked("Lean", 4, 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__2() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__1;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__3() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__2;
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 return x_3;
 }
 }
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+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -6395,17 +11346,17 @@ x_1 = lean_mk_string_unchecked("initFn", 6, 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__5() {
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 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__4;
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 return x_3;
 }
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+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__6() {
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 {
 lean_object* x_1; 
@@ -6413,47 +11364,47 @@ x_1 = lean_mk_string_unchecked("_@", 2, 2);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__7() {
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 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__8() {
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-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__1;
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 return x_3;
 }
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+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__9() {
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 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__8;
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 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__10() {
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 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__9;
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 return x_3;
 }
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 {
 lean_object* x_1; 
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 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__12() {
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 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__11;
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 return x_3;
 }
 }
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 {
 lean_object* x_1; 
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 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__14() {
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 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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 return x_3;
 }
 }
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 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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 return x_3;
 }
 }
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 {
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 x_5 = l_Lean_registerTraceClass(x_2, x_3, x_4, x_1);
 return x_5;
 }
@@ -6523,6 +11474,64 @@ lean_dec_ref(res);
 res = initialize_Lean_Meta_Tactic_Simp_Main(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
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 l_Lean_Meta_SplitIf_getSimpContext___closed__1 = _init_l_Lean_Meta_SplitIf_getSimpContext___closed__1();
 lean_mark_persistent(l_Lean_Meta_SplitIf_getSimpContext___closed__1);
 l_Lean_Meta_SplitIf_getSimpContext___closed__2 = _init_l_Lean_Meta_SplitIf_getSimpContext___closed__2();
@@ -6596,28 +11605,14 @@ l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed
 lean_mark_persistent(l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__10);
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 lean_mark_persistent(l___private_Lean_Meta_Tactic_SplitIf_0__Lean_Meta_SplitIf_discharge_x3f___closed__11);
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 lean_mark_persistent(l_Lean_Meta_simpIfTarget___closed__1);
 l_Lean_Meta_simpIfTarget___closed__2 = _init_l_Lean_Meta_simpIfTarget___closed__2();
@@ -6646,37 +11641,51 @@ l_Lean_Meta_simpIfLocalDecl___closed__2 = _init_l_Lean_Meta_simpIfLocalDecl___cl
 lean_mark_persistent(l_Lean_Meta_simpIfLocalDecl___closed__2);
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-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609____closed__15);
-if (builtin) {res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1609_(lean_io_mk_world());
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+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__11);
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+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__12);
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+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__13);
+l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__14 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__14();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__14);
+l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__15 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__15();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688____closed__15);
+if (builtin) {res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_3688_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 }return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Parser/Term.c b/stage0/stdlib/Lean/Parser/Term.c
index 8f943da186..221bb84ce4 100644
--- a/stage0/stdlib/Lean/Parser/Term.c
+++ b/stage0/stdlib/Lean/Parser/Term.c
@@ -15,6 +15,8 @@ extern "C" {
 #endif
 static lean_object* l_Lean_Parser_Term_dynamicQuot_formatter___closed__2;
 static lean_object* l_Lean_Parser_Term_tuple___closed__5;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__62;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_byTactic_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_suffices___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_strictImplicitBinder_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -47,6 +49,7 @@ static lean_object* l_Lean_Parser_Tactic_quotSeq___closed__4;
 static lean_object* l_Lean_Parser_Term_matchExprPat_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser_Term_let__delayed_formatter___closed__6;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_ensureTypeOf_parenthesizer__1(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__56;
 static lean_object* l___regBuiltin_Lean_Parser_Term_waitIfTypeContainsMVar_formatter__1___closed__1;
 static lean_object* l_Lean_Parser_Term_noErrorIfUnused_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_whereDecls_parenthesizer___closed__4;
@@ -135,9 +138,11 @@ static lean_object* l_Lean_Parser_Termination_suffix_formatter___closed__5;
 static lean_object* l___regBuiltin_Lean_Parser_Term_structInst_declRange__1___closed__7;
 static lean_object* l___regBuiltin_Lean_Parser_Term_unsafe_formatter__1___closed__2;
 static lean_object* l_Lean_Parser_Term_type_parenthesizer___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__26;
 static lean_object* l_Lean_Parser_Term_explicitUniv_formatter___closed__6;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_panic_formatter__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_haveId_formatter___closed__3;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__1;
 static lean_object* l_Lean_Parser_Term_let_formatter___closed__6;
 static lean_object* l_Lean_Parser_Term_matchExpr_formatter___closed__5;
 lean_object* l_Lean_Parser_rawIdent_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -146,14 +151,12 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_typeOf_formatter__1___closed
 static lean_object* l_Lean_Parser_Term_borrowed___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_omission;
 static lean_object* l___regBuiltin_Lean_Parser_Term_omission_parenthesizer__1___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_noImplicitLambda;
 static lean_object* l_Lean_Parser_Term_suffices___closed__1;
 static lean_object* l_Lean_Parser_Term_inaccessible___closed__9;
 static lean_object* l_Lean_Parser_Term_structInst_formatter___closed__13;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_hole_declRange__1(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_arrow_declRange__1(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__38;
 static lean_object* l_Lean_Parser_Term_haveI___closed__2;
 lean_object* l_Lean_PrettyPrinter_Formatter_notFollowedBy_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_leftact___closed__7;
@@ -170,7 +173,6 @@ static lean_object* l_Lean_Parser_Term_structInst_parenthesizer___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_letDecl_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_depArrow___closed__8;
 static lean_object* l_Lean_Parser_Term_dynamicQuot_parenthesizer___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__1;
 static lean_object* l_Lean_Parser_Term_structInstFieldAbbrev___closed__5;
 static lean_object* l_Lean_Parser_Term_namedArgument___closed__1;
 static lean_object* l_Lean_Parser_Command_docComment_parenthesizer___closed__1;
@@ -241,7 +243,6 @@ static lean_object* l_Lean_Parser_Term_trailing__parser___closed__3;
 static lean_object* l_Lean_Parser_Term_byTactic_x27_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_letExpr_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_Term_letIdDecl_formatter___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__43;
 static lean_object* l_Lean_Parser_Term_structInst___closed__25;
 static lean_object* l_Lean_Parser_Term_basicFun___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_doubleQuotedName_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -337,12 +338,10 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_scientific_declRange__1___cl
 static lean_object* l_Lean_Parser_Term_omission___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Termination_suffix_parenthesizer__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_forInMacro_x27_parenthesizer__1___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__17;
 static lean_object* l_Lean_Parser_Term_let__delayed___closed__7;
 static lean_object* l_Lean_Parser_Term_namedPattern_formatter___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_proj_formatter__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_withAnonymousAntiquot;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__20;
 static lean_object* l_Lean_Parser_Term_dynamicQuot_parenthesizer___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Tactic_quot_declRange__1___closed__5;
 static lean_object* l_Lean_Parser_Term_clear_parenthesizer___closed__7;
@@ -436,7 +435,6 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_attrKind_docString__1(l
 static lean_object* l_Lean_Parser_Term_scoped___closed__5;
 static lean_object* l___regBuiltin_Lean_Parser_Term_typeAscription_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_hole___closed__5;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__32;
 static lean_object* l___regBuiltin_Lean_Parser_Term_withAnonymousAntiquot_formatter__1___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_depArrow_parenthesizer__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_noImplicitLambda_declRange__1___closed__4;
@@ -446,6 +444,7 @@ static lean_object* l_Lean_Parser_Term_fromTerm___closed__4;
 static lean_object* l_Lean_Parser_Term_sort___closed__2;
 static lean_object* l_Lean_Parser_Term_optEllipsis___closed__5;
 static lean_object* l_Lean_Parser_Term_haveDecl_parenthesizer___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Tactic_quotSeq_declRange__1___closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_showTermElabImpl_parenthesizer__1___closed__1;
 static lean_object* l_Lean_Parser_Term_matchExprPat___closed__10;
@@ -482,7 +481,6 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_structInstField_formatter__1
 static lean_object* l_Lean_Parser_Term_letRecDecl___closed__5;
 static lean_object* l_Lean_Parser_Term_typeOf_parenthesizer___closed__4;
 static lean_object* l_Lean_Parser_Term_borrowed___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__8;
 static lean_object* l_Lean_Parser_Term_structInstLVal___closed__1;
 static lean_object* l_Lean_Parser_Term_letMVar_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_Term_structInstArrayRef___closed__13;
@@ -550,6 +548,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_inaccessible_declRange__1___
 static lean_object* l_Lean_Parser_Term_noindex_formatter___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_waitIfTypeContainsMVar_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_dbgTrace_formatter___closed__3;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__11;
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot___closed__10;
 static lean_object* l_Lean_Parser_Term_structInst___closed__7;
 static lean_object* l___regBuiltin_Lean_Parser_Term_namedArgument_formatter__1___closed__2;
@@ -656,6 +655,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_explicit_formatter__1___clos
 static lean_object* l_Lean_Parser_Term_structInstField_formatter___closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_binderTactic_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_pipeCompletion___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__17;
 static lean_object* l_Lean_Parser_Term_local___closed__3;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_dynamicQuot_declRange__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_sorry___closed__1;
@@ -713,7 +713,6 @@ static lean_object* l_Lean_Parser_Term_structInstArrayRef_formatter___closed__6;
 static lean_object* l_Lean_Parser_Term_letIdLhs_parenthesizer___closed__4;
 static lean_object* l_Lean_Parser_Tactic_tacticSeqBracketed___closed__3;
 static lean_object* l_Lean_Parser_Term_match_formatter___closed__14;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__35;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_typeOf_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_showTermElabImpl_declRange__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_assert___closed__1;
@@ -734,7 +733,6 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_borrowed_parenthesizer(lean_object*,
 static lean_object* l_Lean_Parser_Term_matchExpr___closed__8;
 static lean_object* l_Lean_Parser_Term_suffices_formatter___closed__6;
 lean_object* l_Lean_Parser_rawFn(lean_object*, uint8_t, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__39;
 static lean_object* l_Lean_Parser_Term_noImplicitLambda___closed__8;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_namedPattern_formatter__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_trailing__parser___closed__4;
@@ -794,6 +792,7 @@ static lean_object* l_Lean_Parser_Term_bracketedBinder___closed__1;
 static lean_object* l_Lean_Parser_Term_binrel__no__prop_parenthesizer___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_typeAscription_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_haveId_formatter___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_explicitBinder_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Termination_terminationBy_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_showTermElabImpl___closed__7;
@@ -941,7 +940,6 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Tactic_quot_declRange__1(lea
 static lean_object* l_Lean_Parser_Term_pipeProj_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_let__tmp___closed__5;
 static lean_object* l_Lean_Parser_Term_noErrorIfUnused___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__48;
 lean_object* l_Lean_Parser_interpolatedStr(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_namedPattern_declRange__1___closed__7;
 static lean_object* l_Lean_Parser_Term_ellipsis_formatter___closed__6;
@@ -953,7 +951,6 @@ static lean_object* l_Lean_Parser_Term_syntheticHole_formatter___closed__3;
 static lean_object* l_Lean_Parser_Term_letExpr___closed__7;
 static lean_object* l_Lean_Parser_Term_structInst___closed__28;
 static lean_object* l_Lean_Parser_Term_stateRefT___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__33;
 static lean_object* l_Lean_Parser_Term_fromTerm_formatter___closed__4;
 static lean_object* l_Lean_Parser_Term_attributes_formatter___closed__5;
 static lean_object* l_Lean_Parser_Term_unop_parenthesizer___closed__1;
@@ -1014,6 +1011,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_syntheticHole_docString
 static lean_object* l_Lean_Parser_Term_tuple___closed__11;
 static lean_object* l_Lean_Parser_Term_namedArgument_formatter___closed__6;
 static lean_object* l_Lean_Parser_Term_sufficesDecl___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__48;
 static lean_object* l_Lean_Parser_Term_binrel___closed__2;
 static lean_object* l_Lean_Parser_Term_stateRefT___closed__5;
 static lean_object* l_Lean_Parser_Term_rightact_parenthesizer___closed__2;
@@ -1033,7 +1031,6 @@ static lean_object* l_Lean_Parser_Term_let__delayed_formatter___closed__5;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_binderTactic_parenthesizer__1(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_leftact_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_Tactic_initFn____x40_Lean_Parser_Term___hyg_185____closed__11;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__30;
 static lean_object* l_Lean_Parser_Term_strictImplicitBinder_formatter___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_tuple_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_tuple___closed__14;
@@ -1047,6 +1044,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_explicit_parenthesizer__1___
 static lean_object* l___regBuiltin_Lean_Parser_Term_show_declRange__1___closed__2;
 static lean_object* l_Lean_Parser_Term_panic_formatter___closed__4;
 static lean_object* l_Lean_Parser_Term_letrec___closed__6;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__63;
 static lean_object* l_Lean_Parser_Term_anonymousCtor___closed__13;
 static lean_object* l_Lean_Parser_Term_sufficesDecl_parenthesizer___closed__8;
 extern lean_object* l_Lean_Parser_strLit;
@@ -1069,6 +1067,7 @@ static lean_object* l_Lean_Parser_Term_waitIfTypeMVar___closed__8;
 static lean_object* l_Lean_Parser_Term_proj_formatter___closed__5;
 static lean_object* l_Lean_Parser_Term_binop_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser_Term_letMVar_parenthesizer___closed__1;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__9;
 static lean_object* l_Lean_Parser_Term_completion___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_syntheticHole_formatter__1___closed__1;
 static lean_object* l_Lean_Parser_Term_structInst_formatter___closed__2;
@@ -1104,6 +1103,7 @@ static lean_object* l_Lean_Parser_Term_explicitBinder_parenthesizer___closed__5;
 static lean_object* l_Lean_Parser_Term_letIdDecl_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_structInstField___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_byTactic_declRange__1___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__23;
 static lean_object* l___regBuiltin_Lean_Parser_Term_letI_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_whereDecls_formatter___closed__3;
 static lean_object* l_Lean_Parser_Term_ensureExpectedType_formatter___closed__1;
@@ -1140,7 +1140,6 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_matchAltsWhereDecls;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_anonymousCtor_parenthesizer__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_letMVar_declRange__1___closed__6;
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot___closed__5;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__57;
 static lean_object* l_Lean_Parser_Term_whereDecls_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser_Term_letMVar_parenthesizer___closed__5;
 static lean_object* l_Lean_Parser_Term_attrInstance___closed__2;
@@ -1175,6 +1174,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_pipeProj_declRange__1___clos
 static lean_object* l_Lean_Parser_Term_assert___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_unsafe_declRange__1___closed__6;
 static lean_object* l_Lean_Parser_Term_dbgTrace___closed__7;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__9;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_typeAscription_docString__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_doubleQuotedName_formatter___closed__3___boxed__const__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_sufficesDecl_parenthesizer__1___closed__2;
@@ -1198,6 +1198,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_panic_declRange__1___closed_
 static lean_object* l_Lean_Parser_Term_structInstLVal_formatter___closed__4;
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__3;
 static lean_object* l_Lean_Parser_Term_assert___closed__10;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__14;
 static lean_object* l_Lean_Parser_Term_binderDefault___closed__2;
 static lean_object* l_Lean_Parser_Term_letPatDecl_parenthesizer___closed__7;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_let__tmp_docString__1(lean_object*);
@@ -1206,6 +1207,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_unreachable_docString__
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_unreachable;
 static lean_object* l_Lean_Parser_Term_inaccessible_formatter___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_dotIdent_declRange__1___closed__7;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__2;
 extern lean_object* l_Lean_Parser_hygieneInfo;
 static lean_object* l_Lean_Parser_Term_forInMacro_formatter___closed__5;
 static lean_object* l___regBuiltin_Lean_Parser_Term_leftact_formatter__1___closed__2;
@@ -1258,6 +1260,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_binderTactic_parenthesizer__
 static lean_object* l_Lean_Parser_Term_nomatch___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Termination_terminationBy_docString__1___closed__3;
 static lean_object* l_Lean_Parser_Term_noImplicitLambda___closed__4;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__1;
 static lean_object* l_Lean_Parser_Term_whereDecls___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_binrel_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_haveIdDecl___closed__9;
@@ -1268,6 +1271,7 @@ static lean_object* l_Lean_Parser_Term_scoped_formatter___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_letRecDecls_parenthesizer__1(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_letEqnsDecl_parenthesizer__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_haveI_parenthesizer__1___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__54;
 static lean_object* l_Lean_Parser_Term_structInstField___closed__10;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_syntheticHole_formatter__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_forInMacro_x27_formatter___closed__2;
@@ -1332,7 +1336,6 @@ static lean_object* l_Lean_Parser_Term_declName___closed__1;
 static lean_object* l_Lean_Parser_Term_stateRefT_formatter___closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_cdot_declRange__1___closed__5;
 static lean_object* l_Lean_Parser_Term_noImplicitLambda_parenthesizer___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__42;
 static lean_object* l_Lean_Parser_Term_leftact_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_forall___closed__12;
 static lean_object* l_Lean_Parser_Term_letIdDecl_parenthesizer___closed__6;
@@ -1412,7 +1415,6 @@ static lean_object* l_Lean_Parser_Term_fromTerm_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_attrInstance___closed__5;
 static lean_object* l_Lean_Parser_Term_stateRefT_parenthesizer___closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_let_declRange__1___closed__5;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__40;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_matchExprAlt(lean_object*);
 static lean_object* l_Lean_Parser_Term_structInstField_formatter___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_haveEqnsDecl;
@@ -1436,6 +1438,7 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_explicitUniv;
 static lean_object* l_Lean_Parser_Term_strictImplicitRightBracket___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_dotIdent_declRange__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_binrel_docString__1___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__49;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_typeSpec;
 static lean_object* l_Lean_Parser_Term_doubleQuotedName___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_whereDecls;
@@ -1549,21 +1552,21 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_unop_parenthesizer__1___clos
 lean_object* l_Lean_Parser_ppLine_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Termination_terminationBy___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_matchExprAlt_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__36;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_categoryParser_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_app_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_subst___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_Termination_terminationBy_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_macroDollarArg;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__10;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_argument_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_letIdDecl_formatter__1___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_syntheticHole_declRange__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_suffices_declRange__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_funBinder;
 static lean_object* l_Lean_Parser_Term_paren___closed__10;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__45;
 static lean_object* l_Lean_Parser_Term_borrowed___closed__8;
 static lean_object* l___regBuiltin_Lean_Parser_Tactic_quot_parenthesizer__1___closed__1;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__12;
 static lean_object* l_Lean_Parser_Term_structInstLVal_formatter___closed__3;
 static lean_object* l_Lean_Parser_Term_typeAscription_formatter___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_typeOf_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1602,6 +1605,7 @@ static lean_object* l_Lean_Parser_Term_sufficesDecl_formatter___closed__1;
 static lean_object* l_Lean_Parser_Tactic_sepByIndentSemicolon___closed__9;
 static lean_object* l_Lean_Parser_Term_whereDecls___closed__3;
 static lean_object* l_Lean_Parser_Term_suffices_parenthesizer___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__55;
 static lean_object* l_Lean_Parser_Term_strictImplicitRightBracket___closed__1;
 static lean_object* l_Lean_Parser_Term_namedPattern___closed__9;
 static lean_object* l_Lean_Parser_Term_syntheticHole_formatter___closed__4;
@@ -1672,6 +1676,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_fun_declRange__1___closed__5
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_tacticSeq1Indented_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_explicit___closed__6;
 static lean_object* l_Lean_Parser_Term_binderTactic___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__22;
 static lean_object* l_Lean_Parser_Term_match_parenthesizer___closed__7;
 static lean_object* l_Lean_Parser_Term_explicitUniv_formatter___closed__5;
 static lean_object* l___regBuiltin_Lean_Parser_Termination_decreasingBy_docString__1___closed__3;
@@ -1689,7 +1694,6 @@ static lean_object* l_Lean_Parser_Term_panic___closed__8;
 static lean_object* l_Lean_Parser_Term_have___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_typeAscription;
 static lean_object* l_Lean_Parser_Term_binrel___closed__13;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__63;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_proj;
 static lean_object* l_Lean_Parser_Term_declName___closed__3;
 static lean_object* l_Lean_Parser_Term_trueVal___closed__1;
@@ -1761,6 +1765,7 @@ static lean_object* l_Lean_Parser_Term_syntheticHole_parenthesizer___closed__6;
 uint8_t l_Lean_Syntax_isAntiquot(lean_object*);
 static lean_object* l_Lean_Parser_Term_letIdLhs___closed__7;
 static lean_object* l_Lean_Parser_Term_unreachable___closed__7;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__37;
 static lean_object* l_Lean_Parser_Term_structInst___closed__2;
 static lean_object* l_Lean_Parser_Term_ident_parenthesizer___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_cdot_formatter__1___closed__1;
@@ -1817,6 +1822,7 @@ static lean_object* l_Lean_Parser_Term_structInst___closed__20;
 static lean_object* l_Lean_Parser_Term_attrInstance_formatter___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_trueVal;
 static lean_object* l___regBuiltin_Lean_Parser_Term_waitIfTypeContainsMVar_declRange__1___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__7;
 static lean_object* l_Lean_Parser_Term_haveDecl___closed__7;
 static lean_object* l_Lean_Parser_Term_matchDiscr_formatter___closed__2;
 static lean_object* l_Lean_Parser_Term_typeOf___closed__3;
@@ -1863,6 +1869,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_ellipsis_formatter__1(l
 static lean_object* l_Lean_Parser_Command_docComment___closed__1;
 static lean_object* l_Lean_Parser_Term_binop__lazy___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_paren_declRange__1___closed__2;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_haveI_parenthesizer__1___closed__1;
 static lean_object* l_Lean_Parser_Term_ellipsis___closed__9;
 static lean_object* l___regBuiltin_Lean_Parser_Term_depArrow_declRange__1___closed__5;
@@ -1906,7 +1913,6 @@ static lean_object* l_Lean_Parser_Term_trailing__parser___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_sepBy1IndentSemicolon_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_nofun_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Tactic_quot_parenthesizer__1(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_typeAscription_formatter__1___closed__1;
 static lean_object* l_Lean_Parser_Term_explicitBinder_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__6;
@@ -1981,6 +1987,7 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_haveEqnsDecl_parenthesizer(lean_obje
 static lean_object* l_Lean_Parser_Tactic_tacticSeqIndentGt_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_haveIdDecl___closed__4;
 static lean_object* l_Lean_Parser_Term_trailing__parser_formatter___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__33;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_dynamicQuot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_ensureExpectedType_parenthesizer___closed__5;
 static lean_object* l___regBuiltin_Lean_Parser_Term_hole_formatter__1___closed__2;
@@ -1988,6 +1995,8 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_let__tmp_declRange__1(l
 static lean_object* l_Lean_Parser_Term_showTermElabImpl_parenthesizer___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_tacticParser_formatter___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_forInMacro___closed__6;
+LEAN_EXPORT lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419_(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__57;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_pipeCompletion_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_noImplicitLambda_formatter___closed__3;
 static lean_object* l_Lean_Parser_semicolonOrLinebreak_parenthesizer___closed__2;
@@ -2081,7 +2090,6 @@ static lean_object* l_Lean_Parser_Term_waitIfTypeMVar_parenthesizer___closed__4;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_sort_declRange__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot_formatter___closed__9;
 static lean_object* l_Lean_Parser_Term_explicitBinder_formatter___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_waitIfTypeContainsMVar_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_typeAscription_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_match___closed__17;
@@ -2153,6 +2161,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_depArrow_parenthesizer_
 static lean_object* l_Lean_Parser_Term_structInst___closed__23;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_subst_formatter__1(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Termination_decreasingBy_docString__1(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__24;
 static lean_object* l___regBuiltin_Lean_Parser_Term_defaultOrOfNonempty_declRange__1___closed__6;
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot_formatter___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_attrKind_docString__1___closed__2;
@@ -2191,6 +2200,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_app__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_structInstArrayRef_formatter___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_panic_declRange__1___closed__2;
 static lean_object* l_Lean_Parser_Term_whereDecls___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__21;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_letIdDecl_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_haveI_declRange__1___closed__6;
@@ -2237,6 +2247,7 @@ static lean_object* l_Lean_Parser_Term_letPatDecl_formatter___closed__6;
 static lean_object* l_Lean_Parser_Term_funBinder_formatter___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_borrowed_declRange__1___closed__3;
 static lean_object* l_Lean_Parser_Tactic_quot_formatter___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__3;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_explicitUniv_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_letIdDecl_formatter___closed__4;
 static lean_object* l_Lean_Parser_Term_structInst_formatter___closed__9;
@@ -2292,6 +2303,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_panic__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_byTactic_declRange__1___closed__1;
 static lean_object* l_Lean_Parser_Term_letIdDecl_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser_Term_let__fun___closed__12;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__30;
 static lean_object* l___regBuiltin_Lean_Parser_Term_forInMacro_declRange__1___closed__2;
 static lean_object* l_Lean_Parser_Tactic_tacticSeq1Indented___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_dotIdent_formatter__1(lean_object*);
@@ -2332,13 +2344,11 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_letrec_formatter__1___closed
 static lean_object* l_Lean_Parser_Term_letExpr_parenthesizer___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_forall_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_attributes_formatter___closed__3;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__37;
 static lean_object* l_Lean_Parser_Term_cdot___closed__8;
 static lean_object* l___regBuiltin_Lean_Parser_Term_hole_declRange__1___closed__3;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_waitIfTypeContainsMVar_formatter__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_noindex___closed__7;
 static lean_object* l___regBuiltin_Lean_Parser_Term_noErrorIfUnused_parenthesizer__1___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__14;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_attrInstance;
 static lean_object* l_Lean_Parser_Term_waitIfContainsMVar___closed__7;
 static lean_object* l_Lean_Parser_Term_cdot_parenthesizer___closed__4;
@@ -2410,10 +2420,10 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_leftact;
 static lean_object* l___regBuiltin_Lean_Parser_Term_binop_parenthesizer__1___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_showTermElabImpl_formatter__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_let__delayed_declRange__1___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__13;
 static lean_object* l_Lean_Parser_Term_let__delayed___closed__3;
 static lean_object* l_Lean_Parser_Term_letExpr_formatter___closed__3;
 static lean_object* l_Lean_Parser_Term_assert___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__50;
 static lean_object* l_Lean_Parser_Tactic_initFn____x40_Lean_Parser_Term___hyg_185____closed__20;
 static lean_object* l_Lean_Parser_Term_clear___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_type_declRange__1___closed__2;
@@ -2444,7 +2454,6 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_macroDollarArg_formatte
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_generalizingParam;
 static lean_object* l___regBuiltin_Lean_Parser_Term_structInst_declRange__1___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_omission_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__44;
 static lean_object* l_Lean_Parser_Term_doubleQuotedName___closed__10;
 static lean_object* l_Lean_Parser_Term_explicitBinder_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_haveId___closed__5;
@@ -2457,6 +2466,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_borrowed_parenthesizer_
 static lean_object* l_Lean_Parser_Term_let__delayed___closed__11;
 static lean_object* l_Lean_Parser_Tactic_quotSeq_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_haveId___closed__8;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__38;
 static lean_object* l_Lean_Parser_Term_sufficesDecl_parenthesizer___closed__5;
 static lean_object* l_Lean_Parser_Term_anonymousCtor_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_Term_cdot___closed__4;
@@ -2492,6 +2502,7 @@ static lean_object* l_Lean_Parser_Termination_terminationBy_parenthesizer___clos
 static lean_object* l_Lean_Parser_Term_let__fun___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_rightact_declRange__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_attrKind;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__44;
 static lean_object* l_Lean_Parser_Term_dbgTrace_formatter___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_suffices_declRange__1___closed__7;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_structInst__1(lean_object*);
@@ -2532,7 +2543,6 @@ lean_object* l_Lean_PrettyPrinter_Parenthesizer_andthen_parenthesizer(lean_objec
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Termination_terminationBy_docString__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_matchExpr___closed__11;
 static lean_object* l_Lean_Parser_Term_typeAscription___closed__15;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__60;
 static lean_object* l_Lean_Parser_Term_leftact___closed__1;
 static lean_object* l_Lean_Parser_Term_subst___closed__7;
 static lean_object* l___regBuiltin_Lean_Parser_Term_hole_declRange__1___closed__4;
@@ -2541,6 +2551,7 @@ static lean_object* l_Lean_Parser_Term_binop__lazy___closed__5;
 static lean_object* l___regBuiltin_Lean_Parser_Term_paren_declRange__1___closed__3;
 static lean_object* l_Lean_Parser_Term_leftact___closed__4;
 static lean_object* l_Lean_Parser_Term_binderTactic___closed__7;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__13;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_sort;
 static lean_object* l_Lean_Parser_Tactic_quotSeq___closed__9;
 static lean_object* l___regBuiltin_Lean_Parser_Term_explicit_docString__1___closed__1;
@@ -2561,7 +2572,6 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_cdot_docString__1(lean_
 static lean_object* l_Lean_Parser_Term_structInst_formatter___closed__14;
 static lean_object* l_Lean_Parser_Command_docComment_parenthesizer___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_waitIfTypeMVar_declRange__1___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_unreachable_formatter__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_let__fun_formatter__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_nomatch_docString__1___closed__1;
@@ -2588,9 +2598,7 @@ static lean_object* l_Lean_Parser_Term_binderTactic_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_anonymousCtor___closed__3;
 static lean_object* l_Lean_Parser_Term_byTactic_formatter___closed__5;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_parserOfStack_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__26;
 static lean_object* l___regBuiltin_Lean_Parser_Term_haveDecl_docString__1___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__9;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_dbgTrace_formatter__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_namedArgument___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_waitIfTypeMVar_formatter__1___closed__2;
@@ -2681,7 +2689,6 @@ static lean_object* l_Lean_Parser_Term_tuple_parenthesizer___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_withAnonymousAntiquot_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_assert_declRange__1___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_binop__lazy_parenthesizer__1___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__59;
 static lean_object* l___regBuiltin_Lean_Parser_Term_let__delayed_declRange__1___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_haveEqnsDecl_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_waitIfTypeMVar___closed__4;
@@ -2694,7 +2701,6 @@ static lean_object* l_Lean_Parser_Term_attributes_formatter___closed__7;
 lean_object* l_Lean_Parser_symbol_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_strictImplicitRightBracket_formatter___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_attrInstance_parenthesizer__1(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__31;
 static lean_object* l_Lean_Parser_Term_binderTactic_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_matchDiscr_formatter___closed__4;
 static lean_object* l_Lean_Parser_Term_let_formatter___closed__4;
@@ -2747,7 +2753,6 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_trailing__parser;
 static lean_object* l___regBuiltin_Lean_Parser_Term_fun_declRange__1___closed__4;
 static lean_object* l_Lean_Parser_Term_basicFun___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_typeOf_declRange__1___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__29;
 static lean_object* l_Lean_Parser_Term_letrec___closed__9;
 static lean_object* l_Lean_Parser_Term_waitIfContainsMVar___closed__4;
 lean_object* l_Lean_Parser_nameLit_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -2768,9 +2773,9 @@ static lean_object* l_Lean_Parser_Term_doubleQuotedName_parenthesizer___closed__
 static lean_object* l___regBuiltin_Lean_Parser_Term_explicitUniv_formatter__1___closed__2;
 static lean_object* l_Lean_Parser_Term_binderDefault___closed__5;
 static lean_object* l_Lean_Parser_Term_sorry_formatter___closed__3;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__34;
 static lean_object* l_Lean_Parser_Term_binrel_formatter___closed__4;
 static lean_object* l_Lean_Parser_Term_show___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__41;
 static lean_object* l___regBuiltin_Lean_Parser_Term_generalizingParam_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_suffices_formatter___closed__2;
 static lean_object* l_Lean_Parser_Term_leading__parser_parenthesizer___closed__8;
@@ -2888,9 +2893,9 @@ static lean_object* l_Lean_Parser_Term_letIdBinder___closed__3;
 static lean_object* l_Lean_Parser_Term_let_parenthesizer___closed__5;
 static lean_object* l_Lean_Parser_Term_letDecl___closed__2;
 static lean_object* l_Lean_Parser_Term_basicFun_formatter___closed__7;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__54;
 static lean_object* l_Lean_Parser_Term_letRecDecls_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_sorry_formatter___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__39;
 static lean_object* l_Lean_Parser_Term_funStrictImplicitBinder_formatter___closed__5;
 static lean_object* l_Lean_Parser_Term_structInst_formatter___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Parser_darrow;
@@ -2985,6 +2990,7 @@ static lean_object* l_Lean_Parser_Term_binrel__no__prop___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_unreachable_declRange__1___closed__1;
 static lean_object* l_Lean_Parser_Term_haveDecl___closed__5;
 static lean_object* l_Lean_Parser_Term_argument_parenthesizer___closed__3;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__32;
 static lean_object* l_Lean_Parser_Term_withDeclName_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_Term_letExpr___closed__12;
 static lean_object* l___regBuiltin_Lean_Parser_Term_doubleQuotedName_formatter__1___closed__2;
@@ -2992,6 +2998,7 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_ident_formatter(lean_object*, lean_o
 static lean_object* l___regBuiltin_Lean_Parser_Term_attrInstance_formatter__1___closed__2;
 lean_object* l_Lean_Parser_withoutPosition___lambda__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_dynamicQuot___closed__5;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_omission_declRange__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_waitIfContainsMVar_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_app_declRange__1___closed__1;
@@ -3015,11 +3022,11 @@ static lean_object* l___regBuiltin_Lean_Parser_Tactic_tacticSeqBracketed_docStri
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_namedPattern_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_generalizingParam___closed__12;
 static lean_object* l_Lean_Parser_Term_matchAlt_parenthesizer___closed__5;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__12;
 static lean_object* l_Lean_Parser_Term_letrec_formatter___closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_ellipsis_parenthesizer__1___closed__1;
 static lean_object* l_Lean_Parser_Term_type_parenthesizer___closed__7;
 static lean_object* l_Lean_Parser_Term_matchExpr___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__18;
 static lean_object* l_Lean_Parser_Tactic_tacticSeqIndentGt_formatter___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_structInst_formatter__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_local_formatter__1___closed__2;
@@ -3059,6 +3066,7 @@ static lean_object* l_Lean_Parser_Term_macroDollarArg___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_waitIfTypeMVar_declRange__1___closed__1;
 static lean_object* l_Lean_Parser_Term_inaccessible___closed__10;
 static lean_object* l_Lean_Parser_Term_show_formatter___closed__4;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__8;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_attrKind_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_assert_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_let_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -3145,6 +3153,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Tactic_quot_formatter__1___closed
 static lean_object* l_Lean_Parser_Term_matchExprPat_formatter___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_doubleQuotedName_declRange__1___closed__7;
 static lean_object* l_Lean_Parser_Term_structInst_parenthesizer___closed__13;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__11;
 static lean_object* l_Lean_Parser_Term_anonymousCtor_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_structInstField_formatter___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_letExpr;
@@ -3154,7 +3163,7 @@ static lean_object* l_Lean_Parser_Term_clear_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_Term_waitIfTypeContainsMVar_parenthesizer___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_implicitBinder_parenthesizer(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Tactic_quotSeq_formatter___closed__5;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__50;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__58;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_matchExpr__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_optEllipsis___closed__7;
 static lean_object* l_Lean_Parser_Term_letDecl___closed__4;
@@ -3333,6 +3342,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_letI_declRange__1___closed__
 static lean_object* l_Lean_Parser_Term_matchDiscr_parenthesizer___closed__4;
 static lean_object* l_Lean_Parser_Term_match_parenthesizer___closed__14;
 static lean_object* l_Lean_Parser_Term_binderDefault_parenthesizer___closed__3;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__6;
 static lean_object* l_Lean_Parser_Term_arrow_parenthesizer___closed__4;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_showTermElabImpl_formatter__1(lean_object*);
 static lean_object* l_Lean_Parser_Termination_terminationBy_parenthesizer___closed__10;
@@ -3357,7 +3367,6 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_haveI_declRange__1___closed_
 static lean_object* l_Lean_Parser_Term_optIdent_formatter___closed__1;
 static lean_object* l_Lean_Parser_Termination_terminationBy___closed__3;
 static lean_object* l_Lean_Parser_Term_haveI_parenthesizer___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__19;
 static lean_object* l___regBuiltin_Lean_Parser_Term_depArrow_declRange__1___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_dotIdent_declRange__1(lean_object*);
 static lean_object* l_Lean_Parser_Tactic_quot_formatter___closed__5;
@@ -3380,7 +3389,6 @@ static lean_object* l___regBuiltin_Lean_Parser_Tactic_tacticSeq1Indented_formatt
 static lean_object* l_Lean_Parser_Term_letRecDecl___closed__3;
 static lean_object* l_Lean_Parser_Term_unop___closed__5;
 static lean_object* l_Lean_Parser_Term_structInstLVal_parenthesizer___closed__8;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__27;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_noindex_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_basicFun_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_showTermElabImpl___closed__8;
@@ -3450,6 +3458,7 @@ static lean_object* l_Lean_Parser_Term_let__tmp___closed__11;
 static lean_object* l_Lean_Parser_Term_fun_parenthesizer___closed__5;
 static lean_object* l_Lean_Parser_Term_haveEqnsDecl_formatter___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_scoped;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__47;
 static lean_object* l_Lean_Parser_Tactic_tacticSeqIndentGt___closed__1;
 static lean_object* l_Lean_Parser_Term_explicit___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_char_declRange__1___closed__3;
@@ -3540,6 +3549,7 @@ static lean_object* l_Lean_Parser_Term_nomatch___closed__4;
 static lean_object* l_Lean_Parser_Term_forInMacro_x27___closed__4;
 static lean_object* l_Lean_Parser_Term_syntheticHole_parenthesizer___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_falseVal_parenthesizer__1___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__25;
 static lean_object* l_Lean_Parser_Term_forall_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_stateRefT___closed__7;
 static lean_object* l_Lean_Parser_Term_rightact___closed__2;
@@ -3564,6 +3574,7 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_match_formatter(lean_object*, lean_o
 static lean_object* l_Lean_Parser_Term_explicitUniv___closed__9;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Command_docComment_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_assert___closed__9;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__4;
 static lean_object* l_Lean_Parser_Term_anonymousCtor_formatter___closed__9;
 static lean_object* l_Lean_Parser_darrow___closed__2;
 static lean_object* l_Lean_Parser_Term_funBinder_parenthesizer___closed__2;
@@ -3587,6 +3598,7 @@ static lean_object* l_Lean_Parser_Term_assert_formatter___closed__6;
 static lean_object* l_Lean_Parser_Term_structInstFieldAbbrev___closed__13;
 static lean_object* l_Lean_Parser_Term_forall_parenthesizer___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_depArrow_formatter__1___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__35;
 static lean_object* l_Lean_Parser_Term_haveIdDecl_parenthesizer___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_binop__lazy_parenthesizer__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_matchAlt_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -3633,6 +3645,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_binrel__no__prop_formatter__
 lean_object* l_Lean_Parser_many(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_optEllipsis;
 static lean_object* l___regBuiltin_Lean_Parser_Term_forInMacro_x27_declRange__1___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__40;
 static lean_object* l___regBuiltin_Lean_Parser_Term_quotedName_parenthesizer__1___closed__1;
 static lean_object* l_Lean_Parser_Term_explicitUniv_formatter___closed__1;
 static lean_object* l_Lean_Parser_Termination_suffix_formatter___closed__7;
@@ -3675,6 +3688,7 @@ static lean_object* l_Lean_Parser_Term_instBinder_formatter___closed__4;
 static lean_object* l_Lean_Parser_Term_letMVar_formatter___closed__6;
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot_formatter___closed__8;
 static lean_object* l_Lean_Parser_Term_type_formatter___closed__6;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__59;
 static lean_object* l___regBuiltin_Lean_Parser_Term_cdot_docString__1___closed__1;
 static lean_object* l_Lean_Parser_Term_whereDecls___closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_rightact_formatter__1___closed__1;
@@ -3685,7 +3699,6 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_omission_formatter__1___clos
 static lean_object* l_Lean_Parser_Term_scoped___closed__2;
 lean_object* l_Lean_PrettyPrinter_Formatter_pushNone_formatter___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_app_formatter__1(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__22;
 static lean_object* l_Lean_Parser_Term_funStrictImplicitBinder___closed__7;
 static lean_object* l_Lean_Parser_Term_rightact___closed__9;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_ensureTypeOf_declRange__1(lean_object*);
@@ -3741,6 +3754,7 @@ static lean_object* l_Lean_Parser_Term_typeAscription_formatter___closed__11;
 static lean_object* l_Lean_Parser_Term_motive_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_scientific_formatter___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_binrel__no__prop_declRange__1(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__60;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_doubleQuotedName_parenthesizer___closed__3___boxed__const__1;
 static lean_object* l_Lean_Parser_Term_letIdDecl___closed__5;
 static lean_object* l_Lean_Parser_Term_binrel___closed__8;
@@ -3751,6 +3765,7 @@ static lean_object* l_Lean_Parser_Term_syntheticHole_formatter___closed__1;
 static lean_object* l_Lean_Parser_Termination_decreasingBy_formatter___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Tactic_quotSeq_formatter__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_stateRefT_formatter___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__20;
 static lean_object* l_Lean_Parser_Term_optExprPrecedence___closed__3;
 static lean_object* l_Lean_Parser_Term_structInstFieldAbbrev_formatter___closed__4;
 static lean_object* l_Lean_Parser_Term_type_parenthesizer___closed__9;
@@ -3759,7 +3774,6 @@ static lean_object* l_Lean_Parser_Term_binderTactic_formatter___closed__2;
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot_formatter___closed__5;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_nomatch_declRange__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_explicitBinder___closed__3;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__62;
 static lean_object* l___regBuiltin_Lean_Parser_Tactic_quot_declRange__1___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_byTactic_formatter__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_explicitBinder___boxed(lean_object*);
@@ -3976,12 +3990,11 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_declName_formatter(lean_object*, lea
 static lean_object* l_Lean_Parser_Term_structInst_formatter___closed__8;
 static lean_object* l___regBuiltin_Lean_Parser_Term_optEllipsis_formatter__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_haveEqnsDecl_formatter__1___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__18;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__24;
 static lean_object* l_Lean_Parser_Term_binderDefault_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_typeSpec_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_explicit_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_let__fun___closed__13;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__28;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_structInstArrayRef_formatter__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_explicitUniv_declRange__1___closed__5;
 static lean_object* l_Lean_Parser_Term_have___closed__1;
@@ -4006,8 +4019,10 @@ static lean_object* l_Lean_Parser_Term_anonymousCtor_parenthesizer___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_leftact_declRange__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_motive_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_structInst_docString__1(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__46;
 static lean_object* l_Lean_Parser_Term_matchExprPat___closed__6;
 static lean_object* l_Lean_Parser_Term_structInst_formatter___closed__17;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__42;
 static lean_object* l_Lean_Parser_Term_sorry_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_typeAscription_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_whereDecls_formatter___closed__7;
@@ -4029,7 +4044,6 @@ static lean_object* l_Lean_Parser_Term_explicit_formatter___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_unreachable_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_forInMacro_x27_parenthesizer__1___closed__2;
 static lean_object* l_Lean_Parser_Term_rightact___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__51;
 static lean_object* l_Lean_Parser_Term_defaultOrOfNonempty___closed__7;
 static lean_object* l_Lean_Parser_Term_ensureTypeOf___closed__10;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_scientific_declRange__1(lean_object*);
@@ -4068,9 +4082,9 @@ static lean_object* l___regBuiltin_Lean_Parser_Tactic_tacticSeqBracketed_parenth
 static lean_object* l_Lean_Parser_Term_dynamicQuot___closed__12;
 static lean_object* l___regBuiltin_Lean_Parser_Term_letDecl_formatter__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_scientific_declRange__1___closed__6;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__46;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_rightact_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_type___closed__8;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__36;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Tactic_tacticSeq_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_funStrictImplicitBinder___closed__3;
 static lean_object* l_Lean_Parser_Term_stateRefT_parenthesizer___closed__2;
@@ -4143,6 +4157,7 @@ static lean_object* l_Lean_Parser_Term_type_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_Term_omission___closed__8;
 static lean_object* l_Lean_Parser_Term_letMVar___closed__4;
 static lean_object* l_Lean_Parser_Tactic_sepByIndentSemicolon___closed__7;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_binderType_formatter(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_stateRefT___closed__9;
 static lean_object* l_Lean_Parser_Term_noindex_parenthesizer___closed__4;
@@ -4167,6 +4182,7 @@ static lean_object* l_Lean_Parser_Term_typeOf___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_trailing__parser_declRange__1___closed__4;
 static lean_object* l_Lean_Parser_Term_syntheticHole_parenthesizer___closed__2;
 lean_object* l_id___rarg___boxed(lean_object*);
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__7;
 static lean_object* l_Lean_Parser_Term_subst___closed__8;
 static lean_object* l_Lean_Parser_Term_byTactic_parenthesizer___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_matchAlt_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4229,6 +4245,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Tactic_tacticSeq_parenthesizer__1
 static lean_object* l_Lean_Parser_Term_ident_formatter___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Termination_suffix_formatter__1___closed__1;
 static lean_object* l_Lean_Parser_Term_structInst___closed__10;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__12;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_haveI__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_prop_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_forall___closed__7;
@@ -4261,7 +4278,6 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_structInstFields_parenthesizer(lean_
 lean_object* l_Lean_Parser_unicodeSymbol_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_withDeclName_docString__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_anonymousCtor_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__47;
 static lean_object* l___regBuiltin_Lean_Parser_Term_withDeclName_parenthesizer__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_let_declRange__1___closed__7;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_let_parenthesizer__1(lean_object*);
@@ -4327,7 +4343,6 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_dotIdent_formatter(lean_object*, lea
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_letrec_formatter__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_suffices___closed__11;
 static lean_object* l___regBuiltin_Lean_Parser_Term_let__delayed_declRange__1___closed__6;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__41;
 static lean_object* l_Lean_Parser_Term_doubleQuotedName_formatter___closed__7;
 static lean_object* l_Lean_Parser_Term_sort_parenthesizer___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_matchAltsWhereDecls_parenthesizer__1___closed__1;
@@ -4442,6 +4457,7 @@ static lean_object* l_Lean_Parser_Term_letI___closed__2;
 static lean_object* l_Lean_Parser_Term_structInst___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_borrowed_declRange__1___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_haveIdDecl_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__51;
 static lean_object* l_Lean_Parser_Term_letI_parenthesizer___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_fromTerm_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_letPatDecl_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4472,7 +4488,6 @@ static lean_object* l_Lean_Parser_Term_falseVal_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_nomatch_parenthesizer___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_tuple_parenthesizer__1___closed__1;
 static lean_object* l_Lean_Parser_Command_docComment___closed__9;
-LEAN_EXPORT lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_dotIdent;
 static lean_object* l_Lean_Parser_Term_structInst_formatter___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_letMVar_formatter__1___closed__1;
@@ -4588,6 +4603,7 @@ static lean_object* l_Lean_Parser_Term_showTermElabImpl_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_dbgTrace___closed__13;
 static lean_object* l___regBuiltin_Lean_Parser_Term_withDeclName_parenthesizer__1___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Tactic_quot_formatter__1(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__19;
 static lean_object* l_Lean_Parser_Term_namedArgument_parenthesizer___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_let__delayed_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_dbgTrace_parenthesizer__1___closed__1;
@@ -4646,6 +4662,7 @@ static lean_object* l_Lean_Parser_Term_forInMacro_x27___closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_arrow_declRange__1___closed__2;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_trailingNode_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_defaultOrOfNonempty;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__43;
 static lean_object* l_Lean_Parser_Term_explicitUniv___closed__15;
 static lean_object* l_Lean_Parser_Term_matchDiscr_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_ensureTypeOf___closed__3;
@@ -4669,6 +4686,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_paren_docString__1___closed_
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_sepByIndentSemicolon_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_explicitUniv___closed__16;
 static lean_object* l_Lean_Parser_Term_show___closed__6;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__8;
 static lean_object* l_Lean_Parser_Term_forall_parenthesizer___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_fun_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_withDeclName___closed__3;
@@ -4691,7 +4709,6 @@ static lean_object* l_Lean_Parser_Term_rightact_parenthesizer___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_noindex_declRange__1___closed__7;
 static lean_object* l_Lean_Parser_Term_typeAscription_formatter___closed__12;
 static lean_object* l___regBuiltin_Lean_Parser_Term_namedPattern_declRange__1___closed__5;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__23;
 static lean_object* l_Lean_Parser_Term_strictImplicitRightBracket___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_proj_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_inaccessible_formatter___closed__1;
@@ -4832,11 +4849,11 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_cdot_parenthesizer__1(l
 static lean_object* l_Lean_Parser_Term_type_formatter___closed__3;
 static lean_object* l_Lean_Parser_Term_syntheticHole___closed__2;
 static lean_object* l_Lean_Parser_Term_proj___closed__7;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__45;
 lean_object* l_Lean_Parser_sepBy1_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_ensureTypeOf_formatter___closed__2;
 lean_object* l_Lean_Parser_lookahead(lean_object*);
 static lean_object* l_Lean_Parser_Term_str_formatter___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__16;
 static lean_object* l_Lean_Parser_Term_ellipsis_parenthesizer___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_sorry_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot_parenthesizer___closed__2;
@@ -4892,6 +4909,7 @@ static lean_object* l_Lean_Parser_Tactic_tacticSeqBracketed_parenthesizer___clos
 static lean_object* l_Lean_Parser_Term_proj_formatter___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_doubleQuotedName_formatter__1___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_waitIfContainsMVar_parenthesizer__1(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__10;
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot_parenthesizer___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_letMVar__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_typeAscription___closed__5;
@@ -4970,6 +4988,7 @@ static lean_object* l_Lean_Parser_Term_depArrow_formatter___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_structInstFieldAbbrev;
 static lean_object* l___regBuiltin_Lean_Parser_Term_syntheticHole_declRange__1___closed__1;
 lean_object* l_Lean_Parser_mkAntiquot(lean_object*, lean_object*, uint8_t, uint8_t);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__15;
 static lean_object* l___regBuiltin_Lean_Parser_Term_char_declRange__1___closed__7;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_node_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Tactic_tacticSeq___closed__3;
@@ -5004,7 +5023,6 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Term_dbgTrace;
 static lean_object* l_Lean_Parser_Term_noImplicitLambda___closed__7;
 static lean_object* l_Lean_Parser_Tactic_sepByIndentSemicolon___closed__5;
 static lean_object* l_Lean_Parser_Term_sufficesDecl___closed__8;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__28;
 static lean_object* l_Lean_Parser_Term_borrowed_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_falseVal_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_forall_formatter___closed__7;
@@ -5026,7 +5044,7 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_sepBy1IndentSemicolon_formatter(le
 static lean_object* l_Lean_Parser_Term_leading__parser___closed__9;
 static lean_object* l_Lean_Parser_Term_dynamicQuot_formatter___closed__7;
 static lean_object* l_Lean_Parser_Term_explicit___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__15;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__53;
 static lean_object* l___regBuiltin_Lean_Parser_Term_binop__lazy_docString__1___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_haveIdDecl_formatter__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_fun_formatter__1___closed__1;
@@ -5035,8 +5053,6 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_noImplicitLambda_parenthesiz
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_have_declRange__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_withDeclName_declRange__1___closed__2;
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__49;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__55;
 static lean_object* l_Lean_Parser_Term_explicitUniv_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_Term_show_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_panic___closed__9;
@@ -5067,6 +5083,7 @@ static lean_object* l_Lean_Parser_Term_matchExpr_formatter___closed__6;
 static lean_object* l_Lean_Parser_Term_leading__parser_parenthesizer___closed__6;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_showTermElabImpl_parenthesizer__1(lean_object*);
 static lean_object* l_Lean_Parser_Term_matchExpr_formatter___closed__8;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__61;
 static lean_object* l_Lean_Parser_Term_argument___closed__7;
 static lean_object* l_Lean_Parser_Term_noErrorIfUnused___closed__8;
 extern lean_object* l_Lean_Parser_numLit;
@@ -5083,7 +5100,6 @@ static lean_object* l_Lean_Parser_Term_unsafe___closed__6;
 static lean_object* l_Lean_Parser_Term_basicFun___closed__6;
 static lean_object* l_Lean_Parser_Tactic_tacticSeq_parenthesizer___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_let__delayed_formatter__1___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__52;
 static lean_object* l_Lean_Parser_Term_ensureExpectedType_formatter___closed__4;
 extern lean_object* l_Lean_PrettyPrinter_formatterAttribute;
 static lean_object* l_Lean_Parser_Term_optEllipsis___closed__2;
@@ -5107,7 +5123,6 @@ static lean_object* l_Lean_Parser_Term_doubleQuotedName___closed__12;
 static lean_object* l_Lean_Parser_Tactic_tacticSeqBracketed_parenthesizer___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_assert_docString__1___closed__1;
 static lean_object* l_Lean_Parser_Term_sufficesDecl_parenthesizer___closed__10;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__11;
 static lean_object* l_Lean_Parser_Term_tuple_parenthesizer___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_basicFun;
 static lean_object* l_Lean_Parser_Term_attrKind_parenthesizer___closed__1;
@@ -5116,6 +5131,7 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_let_parenthesizer__1___close
 static lean_object* l_Lean_Parser_Term_generalizingParam___closed__5;
 static lean_object* l___regBuiltin_Lean_Parser_Term_doubleQuotedName_declRange__1___closed__3;
 static lean_object* l_Lean_Parser_Tactic_tacticSeq1Indented___closed__3;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__52;
 static lean_object* l_Lean_Parser_Term_structInstField_formatter___closed__5;
 static lean_object* l_Lean_Parser_Term_letExpr___closed__8;
 static lean_object* l_Lean_Parser_Term_sufficesDecl_formatter___closed__4;
@@ -5151,13 +5167,13 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_letExpr_declRange__1___close
 static lean_object* l_Lean_Parser_Term_match_parenthesizer___closed__2;
 static lean_object* l___regBuiltin_Lean_Parser_Term_num_declRange__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_doubleQuotedName_parenthesizer__1___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__21;
 static lean_object* l_Lean_Parser_Term_forall_formatter___closed__3;
 static lean_object* l_Lean_Parser_Term_strictImplicitRightBracket___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_borrowed_parenthesizer__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_ensureTypeOf_declRange__1___closed__6;
 static lean_object* l_Lean_Parser_Term_forInMacro_x27_parenthesizer___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_matchDiscr_formatter__1___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__29;
 static lean_object* l_Lean_Parser_Term_fun_formatter___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_structInstFieldAbbrev_formatter__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_optType;
@@ -5207,7 +5223,6 @@ static lean_object* l_Lean_Parser_Term_let__fun___closed__11;
 static lean_object* l___regBuiltin_Lean_Parser_Term_hole_parenthesizer__1___closed__1;
 static lean_object* l_Lean_Parser_Tactic_tacticSeqIndentGt_parenthesizer___closed__4;
 static lean_object* l_Lean_Parser_Term_matchAlt_formatter___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__16;
 static lean_object* l_Lean_Parser_Term_matchAlt___closed__8;
 static lean_object* l_Lean_Parser_Term_letEqnsDecl___closed__7;
 static lean_object* l_Lean_Parser_Term_basicFun_formatter___closed__9;
@@ -5332,7 +5347,6 @@ static lean_object* l_Lean_Parser_Command_docComment_formatter___closed__2;
 static lean_object* l_Lean_Parser_Term_noErrorIfUnused_formatter___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_forInMacro;
 lean_object* l_Lean_PrettyPrinter_Formatter_categoryParser_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__61;
 static lean_object* l_Lean_Parser_Term_haveDecl___closed__3;
 static lean_object* l_Lean_Parser_Term_funImplicitBinder___closed__4;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_namedPattern_docString__1(lean_object*);
@@ -5341,7 +5355,6 @@ static lean_object* l_Lean_Parser_Term_haveIdDecl_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_Term_let__tmp_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_Term_structInstFieldAbbrev___closed__14;
 static lean_object* l_Lean_Parser_Term_matchAlt___closed__3;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_Term_tuple_declRange__1___closed__2;
 static lean_object* l_Lean_Parser_Term_defaultOrOfNonempty_parenthesizer___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_whereDecls_parenthesizer__1___closed__1;
@@ -5397,7 +5410,6 @@ static lean_object* l___regBuiltin_Lean_Parser_Term_fromTerm_parenthesizer__1___
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_forInMacro_x27_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_have_formatter___closed__1;
 lean_object* l_Lean_Parser_ppDedentIfGrouped_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__25;
 static lean_object* l_Lean_Parser_semicolonOrLinebreak_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_Term_let__tmp_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser_Term_explicitUniv___closed__14;
@@ -5457,9 +5469,9 @@ static lean_object* l_Lean_Parser_Term_generalizingParam___closed__9;
 static lean_object* l_Lean_Parser_Term_typeAscription___closed__13;
 static lean_object* l_Lean_Parser_Term_binrel___closed__6;
 static lean_object* l___regBuiltin_Lean_Parser_Term_hole_parenthesizer__1___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__34;
 static lean_object* l___regBuiltin_Lean_Parser_Term_unop_formatter__1___closed__1;
 static lean_object* l_Lean_Parser_Termination_terminationBy_x3f_parenthesizer___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__53;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_binrel__no__prop_parenthesizer__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_explicitBinder(uint8_t);
 static lean_object* l_Lean_Parser_Term_leftact_formatter___closed__2;
@@ -5490,6 +5502,8 @@ static lean_object* l_Lean_Parser_Term_clear___closed__9;
 static lean_object* l___regBuiltin_Lean_Parser_Term_forInMacro_parenthesizer__1___closed__1;
 static lean_object* l_Lean_Parser_Term_matchExprAlts_formatter___closed__3;
 static lean_object* l_Lean_Parser_Term_attrInstance___closed__9;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__27;
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__3;
 static lean_object* l_Lean_Parser_Term_ellipsis___closed__10;
 static lean_object* l_Lean_Parser_Term_typeAscription___closed__3;
 static lean_object* l_Lean_Parser_Term_withDeclName___closed__4;
@@ -5658,7 +5672,6 @@ static lean_object* l_Lean_Parser_Term_motive_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser_Term_haveIdDecl_parenthesizer___closed__5;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_pipeCompletion_declRange__1(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_inaccessible__1(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__58;
 static lean_object* l_Lean_Parser_Term_explicit_formatter___closed__4;
 static lean_object* l___regBuiltin_Lean_Parser_Term_depArrow_declRange__1___closed__6;
 static lean_object* l_Lean_Parser_Term_letrec___closed__13;
@@ -5686,7 +5699,6 @@ static lean_object* l_Lean_Parser_Term_waitIfTypeMVar_formatter___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_letrec_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Term_argument___closed__5;
 static lean_object* l_Lean_Parser_Term_optEllipsis___closed__6;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__56;
 static lean_object* l_Lean_Parser_Term_depArrow_parenthesizer___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Term_let__fun_declRange__1___closed__7;
 static lean_object* l___regBuiltin_Lean_Parser_Term_typeAscription_declRange__1___closed__5;
@@ -5747,6 +5759,7 @@ static lean_object* l_Lean_Parser_Term_waitIfTypeMVar___closed__12;
 static lean_object* l_Lean_Parser_Term_structInst_parenthesizer___closed__8;
 static lean_object* l_Lean_Parser_Term_macroDollarArg_formatter___closed__1;
 static lean_object* l_Lean_Parser_Term_depArrow_formatter___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__31;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_forall_parenthesizer__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_Term_borrowed_docString__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_Termination_suffix_docString__1___closed__2;
@@ -5774,6 +5787,7 @@ static lean_object* l_Lean_Parser_Term_syntheticHole___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Parser_Term_structInstField_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_Command_commentBody___elambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_Term_let__tmp_parenthesizer__1(lean_object*);
+static lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__10;
 static lean_object* l_Lean_Parser_Term_letExpr_formatter___closed__9;
 static lean_object* l___regBuiltin_Lean_Parser_Term_withDeclName_declRange__1___closed__5;
 static lean_object* l_Lean_Parser_Tactic_tacticSeq1Indented_parenthesizer___closed__2;
@@ -5844,7 +5858,6 @@ static lean_object* l_Lean_Parser_Term_letMVar_formatter___closed__9;
 static lean_object* l_Lean_Parser_Term_clear___closed__4;
 static lean_object* l_Lean_Parser_Term_binderType___closed__4;
 lean_object* l_Lean_Parser_termParser(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__7;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_pushNone_parenthesizer___boxed(lean_object*);
 static lean_object* l_Lean_Parser_Term_clear_formatter___closed__5;
 static lean_object* l_Lean_Parser_Term_withAnonymousAntiquot_formatter___closed__2;
@@ -23266,6 +23279,136 @@ x_3 = l_Lean_Parser_Term_bracketedBinder(x_2);
 return x_3;
 }
 }
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("builtin_structInstFieldDecl_parser", 34, 34);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_unchecked("structInstFieldDecl", 19, 19);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_1 = l_Lean_Parser_Command_docComment___closed__1;
+x_2 = l_Lean_Parser_Command_docComment___closed__2;
+x_3 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__3;
+x_4 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__3;
+x_5 = l_Lean_Name_mkStr4(x_1, x_2, x_3, x_4);
+return x_5;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__7;
+x_2 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__14;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__5;
+x_2 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__8;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__6;
+x_2 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__10;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__7;
+x_2 = l_Lean_Parser_Command_docComment___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__9() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__8;
+x_2 = l_Lean_Parser_Command_docComment___closed__2;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__10() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__9;
+x_2 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__14;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__10;
+x_2 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_71____closed__16;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__12() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__11;
+x_2 = lean_unsigned_to_nat(1921u);
+x_3 = l_Lean_Name_num___override(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921_(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; uint8_t x_4; lean_object* x_5; lean_object* x_6; 
+x_2 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__2;
+x_3 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__4;
+x_4 = 0;
+x_5 = l_Lean_Parser_Term_initFn____x40_Lean_Parser_Term___hyg_1921____closed__12;
+x_6 = l_Lean_Parser_registerBuiltinParserAttribute(x_2, x_3, x_4, x_5, x_1);
+return x_6;
+}
+}
 static lean_object* _init_l_Lean_Parser_Term_depArrow___closed__1() {
 _start:
 {
@@ -69144,7 +69287,7 @@ x_6 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_5, x_1);
 return x_6;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__1() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -69154,7 +69297,7 @@ x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__2() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -69164,7 +69307,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__3() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -69174,7 +69317,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__4() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -69184,7 +69327,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__5() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -69194,7 +69337,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__6() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -69204,7 +69347,7 @@ x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
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 return x_2;
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 return x_2;
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 return x_2;
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 return x_2;
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 return x_3;
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 return x_2;
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 return x_2;
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 return x_3;
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 return x_2;
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 return x_3;
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+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__57() {
 _start:
 {
 lean_object* x_1; 
@@ -69706,17 +69849,17 @@ x_1 = lean_alloc_closure((void*)(l_Lean_Parser_Term_structInstFields), 1, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__58() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__58() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__57;
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 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__59() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__59() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -69726,7 +69869,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__60() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__60() {
 _start:
 {
 lean_object* x_1; 
@@ -69734,17 +69877,17 @@ x_1 = lean_alloc_closure((void*)(l_Lean_Parser_Term_structInstFields_formatter),
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__61() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__61() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__60;
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 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__62() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__62() {
 _start:
 {
 lean_object* x_1; 
@@ -69752,24 +69895,24 @@ x_1 = lean_alloc_closure((void*)(l_Lean_Parser_Term_structInstFields_parenthesiz
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__63() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__63() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__62;
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 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
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+LEAN_EXPORT lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419_(lean_object* x_1) {
 _start:
 {
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-x_2 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__1;
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@@ -69779,7 +69922,7 @@ x_8 = lean_ctor_get(x_7, 1);
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 lean_dec(x_7);
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 if (lean_obj_tag(x_11) == 0)
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@@ -69788,7 +69931,7 @@ x_12 = lean_ctor_get(x_11, 1);
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 lean_dec(x_11);
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@@ -69796,10 +69939,10 @@ lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean
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 lean_inc(x_16);
 lean_dec(x_15);
-x_17 = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5379____closed__6;
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 lean_inc(x_22);
 lean_dec(x_21);
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 lean_inc(x_25);
 lean_dec(x_24);
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@@ -69823,10 +69966,10 @@ lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean
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 lean_inc(x_28);
 lean_dec(x_27);
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 lean_inc(x_34);
 lean_dec(x_33);
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 lean_inc(x_37);
 lean_dec(x_36);
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 lean_inc(x_40);
 lean_dec(x_39);
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 lean_dec(x_45);
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 lean_dec(x_51);
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 lean_dec(x_60);
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 lean_inc(x_64);
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+lean_mark_persistent(l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__61);
+l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__62 = _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__62();
+lean_mark_persistent(l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__62);
+l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__63 = _init_l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__63();
+lean_mark_persistent(l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419____closed__63);
+if (builtin) {res = l_Lean_Parser_initFn____x40_Lean_Parser_Term___hyg_5419_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 }return lean_io_result_mk_ok(lean_box(0));