diff --git a/stage0/src/Init/Prelude.lean b/stage0/src/Init/Prelude.lean
index aa1b8d508e..69883312b4 100644
--- a/stage0/src/Init/Prelude.lean
+++ b/stage0/src/Init/Prelude.lean
@@ -2497,6 +2497,42 @@ Push an element onto the end of an array. This is amortized O(1) because
 def Array.push {α : Type u} (a : Array α) (v : α) : Array α where
   data := List.concat a.data v
 
+/-- Create array `#[]` -/
+def Array.mkArray0 {α : Type u} : Array α :=
+  mkEmpty 0
+
+/-- Create array `#[a₁]` -/
+def Array.mkArray1 {α : Type u} (a₁ : α) : Array α :=
+  (mkEmpty 1).push a₁
+
+/-- Create array `#[a₁, a₂]` -/
+def Array.mkArray2 {α : Type u} (a₁ a₂ : α) : Array α :=
+  ((mkEmpty 1).push a₁).push a₂
+
+/-- Create array `#[a₁, a₂, a₃]` -/
+def Array.mkArray3 {α : Type u} (a₁ a₂ a₃ : α) : Array α :=
+  (((mkEmpty 1).push a₁).push a₂).push a₃
+
+/-- Create array `#[a₁, a₂, a₃, a₄]` -/
+def Array.mkArray4 {α : Type u} (a₁ a₂ a₃ a₄ : α) : Array α :=
+  ((((mkEmpty 1).push a₁).push a₂).push a₃).push a₄
+
+/-- Create array `#[a₁, a₂, a₃, a₄, a₅]` -/
+def Array.mkArray5 {α : Type u} (a₁ a₂ a₃ a₄ a₅ : α) : Array α :=
+  (((((mkEmpty 1).push a₁).push a₂).push a₃).push a₄).push a₅
+
+/-- Create array `#[a₁, a₂, a₃, a₄, a₅, a₆]` -/
+def Array.mkArray6 {α : Type u} (a₁ a₂ a₃ a₄ a₅ a₆ : α) : Array α :=
+  ((((((mkEmpty 1).push a₁).push a₂).push a₃).push a₄).push a₅).push a₆
+
+/-- Create array `#[a₁, a₂, a₃, a₄, a₅, a₆, a₇]` -/
+def Array.mkArray7 {α : Type u} (a₁ a₂ a₃ a₄ a₅ a₆ a₇ : α) : Array α :=
+  (((((((mkEmpty 1).push a₁).push a₂).push a₃).push a₄).push a₅).push a₆).push a₇
+
+/-- Create array `#[a₁, a₂, a₃, a₄, a₅, a₆, a₇, a₈]` -/
+def Array.mkArray8 {α : Type u} (a₁ a₂ a₃ a₄ a₅ a₆ a₇ a₈ : α) : Array α :=
+  ((((((((mkEmpty 1).push a₁).push a₂).push a₃).push a₄).push a₅).push a₆).push a₇).push a₈
+
 /--
 Set an element in an array without bounds checks, using a `Fin` index.
 
diff --git a/stage0/src/Lean/Compiler/LCNF/Simp/ConstantFold.lean b/stage0/src/Lean/Compiler/LCNF/Simp/ConstantFold.lean
index a0a2d4f8e2..091f12c1af 100644
--- a/stage0/src/Lean/Compiler/LCNF/Simp/ConstantFold.lean
+++ b/stage0/src/Lean/Compiler/LCNF/Simp/ConstantFold.lean
@@ -158,6 +158,12 @@ where
     | _ =>
       return none
 
+def mkSmallArrayFunctions := #[
+  ``Array.mkArray0, ``Array.mkArray1, ``Array.mkArray2, ``Array.mkArray3,
+  ``Array.mkArray4, ``Array.mkArray5, ``Array.mkArray6, ``Array.mkArray7,
+  ``Array.mkArray8
+]
+
 /--
 Turn an `#[a, b, c]` into:
 ```
@@ -170,11 +176,15 @@ _x.26
 ```
 -/
 def mkPseudoArrayLiteral (elements : Array FVarId) (typ : Expr) (typLevel : Level) : FolderM Expr := do
-  let sizeLit ← mkAuxLit elements.size
-  let mut literal ← mkAuxLetDecl <| mkApp2 (mkConst ``Array.mkEmpty [typLevel]) typ (.fvar sizeLit)
-  for element in elements do
-    literal ← mkAuxLetDecl <| mkApp3 (mkConst ``Array.push [typLevel]) typ (.fvar literal) (.fvar element)
-  return .fvar literal
+  if h : elements.size < mkSmallArrayFunctions.size then
+    let mkFn := mkApp (mkConst mkSmallArrayFunctions[elements.size] [typLevel]) typ
+    return mkAppN mkFn (elements.map (.fvar ·))
+  else
+    let sizeLit ← mkAuxLit elements.size
+    let mut literal ← mkAuxLetDecl <| mkApp2 (mkConst ``Array.mkEmpty [typLevel]) typ (.fvar sizeLit)
+    for element in elements do
+      literal ← mkAuxLetDecl <| mkApp3 (mkConst ``Array.push [typLevel]) typ (.fvar literal) (.fvar element)
+    return .fvar literal
 
 /--
 Evaluate array literals at compile time, that is turn:
diff --git a/stage0/stdlib/Init/Prelude.c b/stage0/stdlib/Init/Prelude.c
index 049502ce2b..2620a97583 100644
--- a/stage0/stdlib/Init/Prelude.c
+++ b/stage0/stdlib/Init/Prelude.c
@@ -296,6 +296,7 @@ LEAN_EXPORT lean_object* l_ite(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instInhabitedTSyntax___boxed(lean_object*);
 static lean_object* l_Lean_groupKind___closed__2;
 LEAN_EXPORT lean_object* l_instTransEq__1___rarg___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray3(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_numLitKind;
 LEAN_EXPORT lean_object* l_EStateM_run_x27___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_pure___at_Lean_PrettyPrinter_instMonadQuotationUnexpandM___spec__2(lean_object*);
@@ -303,6 +304,7 @@ LEAN_EXPORT lean_object* l_EStateM_bind___rarg(lean_object*, lean_object*, lean_
 static lean_object* l_Lean_choiceKind___closed__1;
 LEAN_EXPORT lean_object* l_not___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_instFunctorReaderT___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray2(lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Name_instAppendName;
 LEAN_EXPORT lean_object* l_Lean_TSyntaxArray_mkImpl___boxed(lean_object*);
@@ -364,6 +366,7 @@ static lean_object* l_Lean_scientificLitKind___closed__2;
 LEAN_EXPORT lean_object* l_instHAddPosChar___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_set(lean_object*);
 LEAN_EXPORT uint8_t l_List_hasDecEq___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray5(lean_object*);
 LEAN_EXPORT lean_object* l_Char_utf8Size___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MonadQuotation_addMacroScope___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_strLitKind___closed__2;
@@ -379,6 +382,7 @@ static uint16_t l_instInhabitedUInt16___closed__1;
 static uint32_t l_Char_utf8Size___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Macro_instMonadQuotationMacroM___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray8___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_instMonadQuotationUnexpandM___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Syntax_getId(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_instMonadQuotationUnexpandM___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -395,12 +399,14 @@ LEAN_EXPORT lean_object* l_instHPow(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_instMulNat;
 static lean_object* l_Lean_Macro_instMonadRefMacroM___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Macro_instMonadQuotationMacroM___lambda__2___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray0(lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_read___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_inferInstance___rarg___boxed(lean_object*);
 LEAN_EXPORT uint8_t l_instDecidableEqUInt8(uint8_t, uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Syntax_instGetElemSyntaxNatTrue___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Function_comp___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray4___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Functor_mapConst___default___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_run___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Macro_instInhabitedMethods___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
@@ -537,6 +543,7 @@ LEAN_EXPORT uint8_t l_Lean_Syntax_isMissing(lean_object*);
 LEAN_EXPORT lean_object* l_EStateM_throw___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_setArg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Macro_instInhabitedMethods___lambda__3(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray6(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_identKind;
 LEAN_EXPORT lean_object* l_MonadExcept_instOrElse___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ite___rarg(uint8_t, lean_object*, lean_object*);
@@ -566,11 +573,13 @@ LEAN_EXPORT lean_object* l_ReaderT_instApplicativeReaderT___rarg___lambda__3(lea
 LEAN_EXPORT lean_object* l_Lean_Syntax_isNodeOf___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_getNumArgs(lean_object*);
 LEAN_EXPORT lean_object* l_instMonadWithReader(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray5___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_EStateM_instMonadEStateM___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Macro_throwError___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_inferInstanceAs(lean_object*);
 LEAN_EXPORT lean_object* l_instHAnd(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_scientificLitKind;
+LEAN_EXPORT lean_object* l_Array_mkArray1___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_setArg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Monad_seqRight___default___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_mk(lean_object*);
@@ -633,8 +642,10 @@ LEAN_EXPORT uint32_t l_Char_utf8Size(uint32_t);
 LEAN_EXPORT lean_object* l_EStateM_run_x27(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_getThe___rarg___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_setD(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray7___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_instDecidableAnd(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Name_hasMacroScopes___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray2___rarg(lean_object*, lean_object*);
 static uint32_t l_Char_utf8Size___closed__4;
 LEAN_EXPORT lean_object* l_Lean_MonadQuotation_addMacroScope___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Macro_getMethodsImp(lean_object*, lean_object*);
@@ -664,6 +675,7 @@ LEAN_EXPORT uint8_t l_instDecidableEqString(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_sequenceMap___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instInhabitedName;
 LEAN_EXPORT lean_object* l_instHAdd___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray6___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_appendCore(lean_object*);
 LEAN_EXPORT lean_object* l_instHAnd___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_pure___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -706,6 +718,7 @@ static lean_object* l_EStateM_instMonadExceptOfEStateM___rarg___closed__1;
 LEAN_EXPORT lean_object* l___private_Init_Prelude_0__Lean_eraseMacroScopesAux___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_UInt16_ofNatCore___boxed(lean_object*, lean_object*);
 uint32_t lean_uint32_of_nat(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray8(lean_object*);
 LEAN_EXPORT lean_object* l_instLTPos;
 lean_object* lean_array_data(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Macro_instInhabitedMethods___lambda__4(lean_object*, lean_object*, lean_object*);
@@ -717,6 +730,7 @@ static lean_object* l_Lean_instInhabitedMacroScopesView___closed__1;
 LEAN_EXPORT lean_object* l_Array_sequenceMap_loop(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_USize_ofNatCore___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_instMonadExceptOfReaderT___rarg(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray7(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_getTailPos_x3f(lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_instInhabited(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Fin_decLt___boxed(lean_object*);
@@ -752,6 +766,8 @@ LEAN_EXPORT lean_object* l_Lean_Macro_instInhabitedMethods;
 LEAN_EXPORT lean_object* l_Lean_Syntax_getOptional_x3f___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_instHOrElse___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Prelude_0__Lean_Macro_MethodsRefPointed;
+LEAN_EXPORT lean_object* l_Array_mkArray3___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray4(lean_object*);
 LEAN_EXPORT lean_object* l_dite___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_String_utf8ByteSize___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_id___rarg(lean_object*);
@@ -798,6 +814,7 @@ static lean_object* l_EStateM_instMonadEStateM___closed__7;
 LEAN_EXPORT uint8_t l_Lean_Syntax_matchesIdent(lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_instMonadQuotationUnexpandM___closed__5;
 LEAN_EXPORT lean_object* l_instMonadReader(lean_object*, lean_object*);
+static lean_object* l_Array_mkArray1___rarg___closed__1;
 LEAN_EXPORT lean_object* l_instPowNat;
 LEAN_EXPORT lean_object* l_instInhabitedReaderT___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_instMonadExceptOfReaderT___rarg___lambda__2(lean_object*, lean_object*, lean_object*);
@@ -818,6 +835,7 @@ LEAN_EXPORT lean_object* l_instDecidableLtPosInstLTPos___boxed(lean_object*, lea
 LEAN_EXPORT lean_object* l_instLTFin___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_modifyGetThe___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_modify___rarg(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mkArray1(lean_object*);
 LEAN_EXPORT lean_object* l_EStateM_instMonadExceptOfEStateM(lean_object*, lean_object*, lean_object*);
 lean_object* lean_uint32_to_nat(uint32_t);
 LEAN_EXPORT lean_object* l_Array_sequenceMap_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4188,6 +4206,187 @@ x_4 = lean_array_push(x_2, x_3);
 return x_4;
 }
 }
+LEAN_EXPORT lean_object* l_Array_mkArray0(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Array_empty___closed__1;
+return x_2;
+}
+}
+static lean_object* _init_l_Array_mkArray1___rarg___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(1u);
+x_2 = lean_mk_empty_array_with_capacity(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray1___rarg(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; 
+x_2 = l_Array_mkArray1___rarg___closed__1;
+x_3 = lean_array_push(x_2, x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mkArray1___rarg), 1, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray2___rarg(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_3 = l_Array_mkArray1___rarg___closed__1;
+x_4 = lean_array_push(x_3, x_1);
+x_5 = lean_array_push(x_4, x_2);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray2(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mkArray2___rarg), 2, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
+x_4 = l_Array_mkArray1___rarg___closed__1;
+x_5 = lean_array_push(x_4, x_1);
+x_6 = lean_array_push(x_5, x_2);
+x_7 = lean_array_push(x_6, x_3);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray3(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mkArray3___rarg), 3, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray4___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_5 = l_Array_mkArray1___rarg___closed__1;
+x_6 = lean_array_push(x_5, x_1);
+x_7 = lean_array_push(x_6, x_2);
+x_8 = lean_array_push(x_7, x_3);
+x_9 = lean_array_push(x_8, x_4);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray4(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mkArray4___rarg), 4, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray5___rarg(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; 
+x_6 = l_Array_mkArray1___rarg___closed__1;
+x_7 = lean_array_push(x_6, x_1);
+x_8 = lean_array_push(x_7, x_2);
+x_9 = lean_array_push(x_8, x_3);
+x_10 = lean_array_push(x_9, x_4);
+x_11 = lean_array_push(x_10, x_5);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray5(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mkArray5___rarg), 5, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray6___rarg(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; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_7 = l_Array_mkArray1___rarg___closed__1;
+x_8 = lean_array_push(x_7, x_1);
+x_9 = lean_array_push(x_8, x_2);
+x_10 = lean_array_push(x_9, x_3);
+x_11 = lean_array_push(x_10, x_4);
+x_12 = lean_array_push(x_11, x_5);
+x_13 = lean_array_push(x_12, x_6);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray6(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mkArray6___rarg), 6, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray7___rarg(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_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_8 = l_Array_mkArray1___rarg___closed__1;
+x_9 = lean_array_push(x_8, x_1);
+x_10 = lean_array_push(x_9, x_2);
+x_11 = lean_array_push(x_10, x_3);
+x_12 = lean_array_push(x_11, x_4);
+x_13 = lean_array_push(x_12, x_5);
+x_14 = lean_array_push(x_13, x_6);
+x_15 = lean_array_push(x_14, x_7);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray7(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mkArray7___rarg), 7, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray8___rarg(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; lean_object* x_16; lean_object* x_17; 
+x_9 = l_Array_mkArray1___rarg___closed__1;
+x_10 = lean_array_push(x_9, x_1);
+x_11 = lean_array_push(x_10, x_2);
+x_12 = lean_array_push(x_11, x_3);
+x_13 = lean_array_push(x_12, x_4);
+x_14 = lean_array_push(x_13, x_5);
+x_15 = lean_array_push(x_14, x_6);
+x_16 = lean_array_push(x_15, x_7);
+x_17 = lean_array_push(x_16, x_8);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mkArray8(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mkArray8___rarg), 8, 0);
+return x_2;
+}
+}
 LEAN_EXPORT lean_object* l_Array_set___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -11324,6 +11523,8 @@ l_instLTPos = _init_l_instLTPos();
 lean_mark_persistent(l_instLTPos);
 l_Array_empty___closed__1 = _init_l_Array_empty___closed__1();
 lean_mark_persistent(l_Array_empty___closed__1);
+l_Array_mkArray1___rarg___closed__1 = _init_l_Array_mkArray1___rarg___closed__1();
+lean_mark_persistent(l_Array_mkArray1___rarg___closed__1);
 l_Applicative_seqLeft___default___rarg___closed__1 = _init_l_Applicative_seqLeft___default___rarg___closed__1();
 lean_mark_persistent(l_Applicative_seqLeft___default___rarg___closed__1);
 l_Applicative_seqRight___default___rarg___closed__1 = _init_l_Applicative_seqRight___default___rarg___closed__1();
diff --git a/stage0/stdlib/Lean/Compiler/LCNF/Simp/ConstantFold.c b/stage0/stdlib/Lean/Compiler/LCNF/Simp/ConstantFold.c
index 6ecedebb28..b2cffa5ef3 100644
--- a/stage0/stdlib/Lean/Compiler/LCNF/Simp/ConstantFold.c
+++ b/stage0/stdlib/Lean/Compiler/LCNF/Simp/ConstantFold.c
@@ -15,14 +15,13 @@ extern "C" {
 #endif
 lean_object* l_List_reverse___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkUnary___rarg(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_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__1(lean_object*, lean_object*);
-static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__4;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt32___closed__4;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__44;
 lean_object* l_Lean_addMessageContextPartial___at_Lean_Core_instAddMessageContextCoreM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_panic___at_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___spec__1___closed__1;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_foldArrayLiteral___closed__1;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_foldArrayLiteral___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getStringLit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_sub___boxed(lean_object*, lean_object*);
@@ -38,6 +37,8 @@ static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___c
 uint8_t lean_uint64_dec_eq(uint64_t, uint64_t);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__26(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___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_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__5;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__16;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__17(uint32_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__10;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt32___closed__1;
@@ -54,11 +55,11 @@ LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_folderExt;
 lean_object* l_Nat_div___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance___elambda__2___rarg(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_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt32___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__3(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__38;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__21;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt8___closed__7;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__1;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__3(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__28___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_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__16(uint32_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__35___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -70,28 +71,35 @@ lean_object* l_UInt8_toNat___boxed(lean_object*);
 lean_object* l_UInt16_ofNat___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__21___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_AssocList_contains___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__7(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___at_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___spec__1(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);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__6;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_foldConstants(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__4;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__29;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__3;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__42;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__29;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_foldArrayLiteral(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkUnary(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_ofExcept___at___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolder___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 extern lean_object* l_Lean_instHashableName;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__28;
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__25(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__37;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__14;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralString;
 uint8_t lean_name_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkAuxLetDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__15;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___closed__5;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__22;
 LEAN_EXPORT lean_object* l_Lean_HashMapImp_find_x3f___at_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___spec__6(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getFolders___rarg(lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__18;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__30;
@@ -101,9 +109,11 @@ extern uint8_t l_instInhabitedUInt8;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__25;
 lean_object* l_UInt16_mul___boxed(lean_object*, lean_object*);
 lean_object* l_UInt16_div___boxed(lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__15;
 lean_object* l_UInt32_mul___boxed(lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__24;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralNat___closed__1;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__5;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_first___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*);
@@ -122,7 +132,6 @@ static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt64___c
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__33;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolder(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__7;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralNat;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__22;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt8___closed__5;
@@ -151,24 +160,26 @@ static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Com
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__3;
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_insertAux___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__2;
+lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 size_t lean_uint64_to_usize(uint64_t);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralChar___closed__5;
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__4___boxed(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 extern uint64_t l_instInhabitedUInt64;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__12;
 lean_object* l_Lean_PersistentHashMap_getCollisionNodeSize___rarg(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__23;
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__1(lean_object*, lean_object*);
 uint64_t l_Lean_Name_hash___override(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__13;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__41;
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolder___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__22(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightAnnihilator___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_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__4;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__5;
 LEAN_EXPORT lean_object* l_Lean_AssocList_find_x3f___at_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___spec__7___boxed(lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__4(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkHashMapImp___rarg(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__11;
@@ -176,8 +187,8 @@ uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__3;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__19;
 LEAN_EXPORT lean_object* l_Lean_HashMap_insert___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__6(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getFolders___rarg___boxed(lean_object*, lean_object*);
 lean_object* l_UInt64_sub___boxed(lean_object*, lean_object*);
@@ -198,18 +209,19 @@ static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralNat___clos
 lean_object* l_panic___at_Lean_Level_normalize___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getNatLit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__34;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe(lean_object*, lean_object*, lean_object*);
 lean_object* l_UInt32_add___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__48;
-static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__3;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__3(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt32;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__9(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_SMap_find_x3f___at_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___spec__2(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433_(lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__20;
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__4;
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkAuxLetDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__4;
@@ -237,25 +249,27 @@ lean_object* l_Lean_registerPersistentEnvExtensionUnsafe___rarg(lean_object*, le
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt64___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatLit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__5;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkUnary___at_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt64___closed__6___boxed__const__1;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__26;
 LEAN_EXPORT lean_object* l_Lean_mkHashMap___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__12(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__3;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__4;
 lean_object* l_Lean_Expr_sort___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__30(uint16_t, uint16_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__6;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__20(uint64_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_UInt64_mul___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_HashMapImp_expand___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__8(lean_object*, lean_object*);
 size_t lean_usize_shift_left(size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__8;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralChar___closed__6;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__10;
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__12;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___at_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightAnnihilator(lean_object*);
@@ -265,13 +279,13 @@ LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt3
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt16___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt8___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__4(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__17___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_modn(size_t, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt8___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt64;
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__3(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___closed__4;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__1;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -284,12 +298,13 @@ LEAN_EXPORT lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lea
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkStringLit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_mul(size_t, size_t);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightNeutral___rarg(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_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__2(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__30___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_Compiler_LCNF_Simp_ConstantFold_registerFolder(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__19;
 LEAN_EXPORT lean_object* l___private_Init_Data_Option_Basic_0__beqOption____x40_Init_Data_Option_Basic___hyg_939____at_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___spec__1___boxed(lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__34___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -316,7 +331,9 @@ static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftAnnihilator___rarg(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_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__13;
 lean_object* l_Lean_Compiler_LCNF_mkAuxLetDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_SMap_switch___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__4(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_first(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkAuxLit___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance___elambda__1___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -324,7 +341,8 @@ LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary(
 LEAN_EXPORT lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getLitAux___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern uint32_t l_Char_instInhabitedChar;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__8(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__1___boxed(lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__23;
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__4___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvar___override(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__39;
@@ -333,12 +351,14 @@ static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_first___closed
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_first___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Data_HashMap_0__Lean_numBucketsForCapacity(lean_object*);
 lean_object* l_List_redLength___rarg(lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__11;
 extern uint32_t l_instInhabitedUInt32;
 LEAN_EXPORT lean_object* l_Lean_AssocList_contains___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__7___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__35;
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___rarg___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_Compiler_LCNF_Simp_ConstantFold_higherOrderLiteralFolders___closed__4;
+LEAN_EXPORT lean_object* l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Init_Data_Option_Basic_0__beqOption____x40_Init_Data_Option_Basic___hyg_939____at_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___spec__1(lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralChar___closed__1;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__36;
@@ -361,13 +381,14 @@ uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 uint8_t lean_usize_dec_le(size_t, size_t);
 LEAN_EXPORT lean_object* l_panic___at_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___spec__1___closed__3;
-static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__1;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralChar___closed__2;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__7;
 lean_object* l_instInhabitedReaderT___rarg___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt32___closed__3;
 extern lean_object* l_Lean_Core_instMonadCoreM;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__2(size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolder___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralChar;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__24;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getFolders(lean_object*);
@@ -380,11 +401,12 @@ lean_object* l_UInt64_toNat___boxed(lean_object*);
 lean_object* l_UInt16_toNat___boxed(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__49;
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__7;
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_mul___boxed(lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__17;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightNeutral___rarg(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_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getLitAux___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__27;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__31;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -394,6 +416,7 @@ LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt1
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__11;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt16___closed__3;
 LEAN_EXPORT lean_object* l_Lean_AssocList_replace___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__11(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions;
 LEAN_EXPORT lean_object* l_Lean_AssocList_foldlM___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__10(lean_object*, lean_object*);
 lean_object* lean_nat_mul(lean_object*, lean_object*);
 lean_object* l_UInt32_sub___boxed(lean_object*, lean_object*);
@@ -403,8 +426,10 @@ static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__13(uint16_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightNeutral___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftAnnihilator___rarg___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_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__2;
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_findAtAux___at_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__26___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__6;
 lean_object* l_Lean_Expr_constName_x3f(lean_object*);
 lean_object* l_Lean_PersistentHashMap_mkEmptyEntries(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
@@ -416,12 +441,15 @@ lean_object* l_Char_ofNat___boxed(lean_object*);
 lean_object* l_UInt64_div___boxed(lean_object*, lean_object*);
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkAuxLit(lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__25;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralChar___closed__6___boxed__const__1;
 lean_object* lean_mk_array(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_ofExcept___at___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolder___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PersistentEnvExtension_getState___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftAnnihilator(lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__30;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__19___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__5;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__28;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt32___closed__5;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt16___closed__4;
@@ -429,20 +457,21 @@ LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_foldArrayLiteral
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_first___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___closed__3;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__18;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__5;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__14;
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_insertAux_traverse___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__27(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getFolders___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_uint16_dec_eq(uint16_t, uint16_t);
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_insertAux_traverse___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__4(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_UInt8_mul___boxed(lean_object*, lean_object*);
-static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__2;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__11;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__3;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt8___closed__6;
 lean_object* l_ReaderT_instMonadReaderT___rarg(lean_object*);
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
@@ -457,13 +486,14 @@ lean_object* l_UInt64_add___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_registerFolder___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getNatLit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance___elambda__2(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_SMap_switch___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__4(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___rarg___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_Compiler_LCNF_Simp_ConstantFold_Folder_rightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__18___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__4;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralUInt64___closed__4;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__23(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_String_push___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_instLiteralString___closed__3;
@@ -475,16 +505,17 @@ LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutr
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__18(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern uint16_t l_instInhabitedUInt16;
 lean_object* lean_usize_to_nat(size_t);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__2(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PersistentHashMap_insertAux___at_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___spec__3___closed__1;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_higherOrderLiteralFolders___closed__5;
 lean_object* l_EStateM_pure___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftRightNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_leftNeutral___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_rightAnnihilator___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__33___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__6;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__16;
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__21;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___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*);
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_mkBinary___at_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -505,9 +536,11 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_Consta
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_higherOrderLiteralFolders___closed__1;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_arithmeticFolders___closed__46;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_foldArrayLiteral___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__8;
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_findAux___at_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getLitAux___rarg___closed__2;
 lean_object* l_List_appendTR___rarg(lean_object*, lean_object*);
+static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance___elambda__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___closed__4;
 static lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_stringFolders___closed__7;
@@ -2365,6 +2398,293 @@ lean_dec(x_2);
 return x_7;
 }
 }
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("Array", 5);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray0", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__3;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray1", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__5;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray2", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__7;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__9() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray3", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__10() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__9;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__11() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray4", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__12() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__11;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__13() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray5", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__14() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__13;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__15() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray6", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__16() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__15;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__17() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray7", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__18() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__17;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__19() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("mkArray8", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__20() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__19;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__21() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(9u);
+x_2 = lean_mk_empty_array_with_capacity(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__22() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__21;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__4;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__23() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__22;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__6;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__24() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__23;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__8;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__25() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__24;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__10;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__26() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__25;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__12;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__27() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__26;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__14;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__28() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__27;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__16;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__29() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__28;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__18;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__30() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__29;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__20;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__30;
+return x_1;
+}
+}
 static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__1___closed__1() {
 _start:
 {
@@ -2461,38 +2781,54 @@ return x_33;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__2(size_t x_1, size_t x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; 
+x_4 = lean_usize_dec_lt(x_2, x_1);
+if (x_4 == 0)
+{
+return x_3;
+}
+else
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; size_t x_9; size_t x_10; lean_object* x_11; 
+x_5 = lean_array_uget(x_3, x_2);
+x_6 = lean_unsigned_to_nat(0u);
+x_7 = lean_array_uset(x_3, x_2, x_6);
+x_8 = l_Lean_Expr_fvar___override(x_5);
+x_9 = 1;
+x_10 = lean_usize_add(x_2, x_9);
+x_11 = lean_array_uset(x_7, x_2, x_8);
+x_2 = x_10;
+x_3 = x_11;
+goto _start;
+}
+}
+}
 static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__1() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("Array", 5);
-return x_1;
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions;
+x_2 = lean_array_get_size(x_1);
+return x_2;
 }
 }
 static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__1;
-x_3 = l_Lean_Name_str___override(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__3() {
-_start:
-{
 lean_object* x_1; 
 x_1 = lean_mk_string_from_bytes("mkEmpty", 7);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__4() {
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__2;
-x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__3;
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__2;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
@@ -2500,134 +2836,141 @@ return x_3;
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral(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; lean_object* x_11; lean_object* x_12; 
+lean_object* x_10; lean_object* x_11; uint8_t x_12; 
 x_10 = lean_array_get_size(x_1);
-x_11 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance___elambda__1___rarg___closed__2;
+x_11 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__1;
+x_12 = lean_nat_dec_lt(x_10, x_11);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance___elambda__1___rarg___closed__2;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_10);
-x_12 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkAuxLit___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance___elambda__1___spec__1(x_10, x_11, x_4, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_12) == 0)
+x_14 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkAuxLit___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkNatWrapperInstance___elambda__1___spec__1(x_10, x_13, x_4, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_14) == 0)
 {
-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; 
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
-lean_dec(x_12);
-x_15 = lean_box(0);
-x_16 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_16, 0, x_3);
-lean_ctor_set(x_16, 1, x_15);
-x_17 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__4;
+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_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
 lean_inc(x_16);
-x_18 = l_Lean_Expr_const___override(x_17, x_16);
-x_19 = l_Lean_Expr_fvar___override(x_13);
+lean_dec(x_14);
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_18, 0, x_3);
+lean_ctor_set(x_18, 1, x_17);
+x_19 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__3;
+lean_inc(x_18);
+x_20 = l_Lean_Expr_const___override(x_19, x_18);
+x_21 = l_Lean_Expr_fvar___override(x_15);
 lean_inc(x_2);
-x_20 = l_Lean_mkAppB(x_18, x_2, x_19);
+x_22 = l_Lean_mkAppB(x_20, x_2, x_21);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_21 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkAuxLetDecl(x_20, x_11, x_4, x_5, x_6, x_7, x_8, x_14);
-if (lean_obj_tag(x_21) == 0)
+x_23 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkAuxLetDecl(x_22, x_13, x_4, x_5, x_6, x_7, x_8, x_16);
+if (lean_obj_tag(x_23) == 0)
 {
-lean_object* x_22; lean_object* x_23; size_t x_24; size_t x_25; lean_object* x_26; lean_object* x_27; 
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_usize_of_nat(x_10);
+lean_object* x_24; lean_object* x_25; size_t x_26; size_t x_27; lean_object* x_28; lean_object* x_29; 
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_23, 1);
+lean_inc(x_25);
+lean_dec(x_23);
+x_26 = lean_usize_of_nat(x_10);
 lean_dec(x_10);
-x_25 = 0;
-x_26 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__2;
-x_27 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__1(x_2, x_11, x_26, x_16, x_1, x_24, x_25, x_22, x_4, x_5, x_6, x_7, x_8, x_23);
-if (lean_obj_tag(x_27) == 0)
+x_27 = 0;
+x_28 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2;
+x_29 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__1(x_2, x_13, x_28, x_18, x_1, x_26, x_27, x_24, x_4, x_5, x_6, x_7, x_8, x_25);
+lean_dec(x_1);
+if (lean_obj_tag(x_29) == 0)
 {
-uint8_t x_28; 
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
+uint8_t x_30; 
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
 {
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = l_Lean_Expr_fvar___override(x_29);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_29, 0);
+x_32 = l_Lean_Expr_fvar___override(x_31);
+lean_ctor_set(x_29, 0, x_32);
+return x_29;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_27);
-x_33 = l_Lean_Expr_fvar___override(x_31);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_32);
-return x_34;
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_33 = lean_ctor_get(x_29, 0);
+x_34 = lean_ctor_get(x_29, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_29);
+x_35 = l_Lean_Expr_fvar___override(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_34);
+return x_36;
 }
 }
 else
 {
-uint8_t x_35; 
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
+uint8_t x_37; 
+x_37 = !lean_is_exclusive(x_29);
+if (x_37 == 0)
 {
-return x_27;
+return x_29;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_27);
-x_38 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_38, 0, x_36);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_29, 0);
+x_39 = lean_ctor_get(x_29, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_29);
+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;
 }
 }
 }
 else
 {
-uint8_t x_39; 
-lean_dec(x_16);
+uint8_t x_41; 
+lean_dec(x_18);
 lean_dec(x_10);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_2);
-x_39 = !lean_is_exclusive(x_21);
-if (x_39 == 0)
+lean_dec(x_1);
+x_41 = !lean_is_exclusive(x_23);
+if (x_41 == 0)
 {
-return x_21;
+return x_23;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_21, 0);
-x_41 = lean_ctor_get(x_21, 1);
-lean_inc(x_41);
-lean_inc(x_40);
-lean_dec(x_21);
-x_42 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_42, 0, x_40);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_23, 0);
+x_43 = lean_ctor_get(x_23, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_23);
+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;
 }
 }
 }
 else
 {
-uint8_t x_43; 
+uint8_t x_45; 
 lean_dec(x_10);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -2635,26 +2978,53 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
-x_43 = !lean_is_exclusive(x_12);
-if (x_43 == 0)
+lean_dec(x_1);
+x_45 = !lean_is_exclusive(x_14);
+if (x_45 == 0)
 {
-return x_12;
+return x_14;
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_44 = lean_ctor_get(x_12, 0);
-x_45 = lean_ctor_get(x_12, 1);
-lean_inc(x_45);
-lean_inc(x_44);
-lean_dec(x_12);
-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;
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_14, 0);
+x_47 = lean_ctor_get(x_14, 1);
+lean_inc(x_47);
+lean_inc(x_46);
+lean_dec(x_14);
+x_48 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_48, 0, x_46);
+lean_ctor_set(x_48, 1, x_47);
+return x_48;
 }
 }
 }
+else
+{
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; size_t x_55; size_t x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_49 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions;
+x_50 = lean_array_fget(x_49, x_10);
+x_51 = lean_box(0);
+x_52 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_52, 0, x_3);
+lean_ctor_set(x_52, 1, x_51);
+x_53 = l_Lean_Expr_const___override(x_50, x_52);
+x_54 = l_Lean_Expr_app___override(x_53, x_2);
+x_55 = lean_usize_of_nat(x_10);
+lean_dec(x_10);
+x_56 = 0;
+x_57 = l_Array_mapMUnsafe_map___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__2(x_55, x_56, x_1);
+x_58 = l_Lean_mkAppN(x_54, x_57);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_58);
+lean_ctor_set(x_59, 1, x_9);
+return x_59;
+}
+}
 }
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___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, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
@@ -2670,13 +3040,24 @@ lean_dec(x_5);
 return x_17;
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+size_t x_4; size_t x_5; lean_object* x_6; 
+x_4 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_5 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_6 = l_Array_mapMUnsafe_map___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__2(x_4, x_5, x_3);
+return x_6;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___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_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_4);
-lean_dec(x_1);
 return x_10;
 }
 }
@@ -2757,7 +3138,6 @@ lean_dec(x_23);
 x_28 = lean_array_mk(x_25);
 x_29 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral(x_28, x_26, x_27, x_2, x_3, x_4, x_5, x_6, x_24);
 lean_dec(x_2);
-lean_dec(x_28);
 if (lean_obj_tag(x_29) == 0)
 {
 uint8_t x_30; 
@@ -2831,7 +3211,6 @@ lean_dec(x_40);
 x_45 = lean_array_mk(x_42);
 x_46 = l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral(x_45, x_43, x_44, x_2, x_3, x_4, x_5, x_6, x_41);
 lean_dec(x_2);
-lean_dec(x_45);
 if (lean_obj_tag(x_46) == 0)
 {
 lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
@@ -13076,7 +13455,7 @@ _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_Compiler_LCNF_Simp_ConstantFold_applyFolders___closed__1;
 x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___closed__2;
-x_3 = lean_unsigned_to_nat(363u);
+x_3 = lean_unsigned_to_nat(373u);
 x_4 = lean_unsigned_to_nat(9u);
 x_5 = l_Lean_Compiler_LCNF_Simp_ConstantFold_applyFolders___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14692,7 +15071,7 @@ lean_dec(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__1(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -14719,7 +15098,7 @@ return x_7;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__2(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__2(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 uint8_t x_8; 
@@ -14748,7 +15127,7 @@ x_14 = lean_ctor_get(x_1, 1);
 lean_inc(x_14);
 x_15 = l___private_Lean_Compiler_LCNF_Simp_ConstantFold_0__Lean_Compiler_LCNF_Simp_ConstantFold_getFolderCoreUnsafe(x_13, x_14, x_12);
 lean_dec(x_14);
-x_16 = l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__1(x_15, x_7);
+x_16 = l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__1(x_15, x_7);
 lean_dec(x_15);
 if (lean_obj_tag(x_16) == 0)
 {
@@ -14794,7 +15173,7 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__3(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__3(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 uint8_t x_8; 
@@ -14817,7 +15196,7 @@ x_12 = lean_usize_of_nat(x_11);
 lean_dec(x_11);
 x_13 = 0;
 lean_inc(x_1);
-x_14 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__2(x_1, x_10, x_12, x_13, x_5, x_6, x_7);
+x_14 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__2(x_1, x_10, x_12, x_13, x_5, x_6, x_7);
 lean_dec(x_10);
 if (lean_obj_tag(x_14) == 0)
 {
@@ -14860,7 +15239,7 @@ return x_23;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_SMap_switch___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__4(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_SMap_switch___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__4(lean_object* x_1) {
 _start:
 {
 uint8_t x_2; 
@@ -14898,7 +15277,7 @@ return x_8;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; size_t x_6; size_t x_7; lean_object* x_8; lean_object* x_9; 
@@ -14908,7 +15287,7 @@ lean_dec(x_5);
 x_7 = 0;
 x_8 = l_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders;
 lean_inc(x_3);
-x_9 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__3(x_3, x_2, x_6, x_7, x_8, x_3, x_4);
+x_9 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__3(x_3, x_2, x_6, x_7, x_8, x_3, x_4);
 lean_dec(x_3);
 if (lean_obj_tag(x_9) == 0)
 {
@@ -14918,7 +15297,7 @@ 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 = l_Lean_SMap_switch___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__4(x_11);
+x_12 = l_Lean_SMap_switch___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__4(x_11);
 x_13 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_13, 0, x_1);
 lean_ctor_set(x_13, 1, x_12);
@@ -14933,7 +15312,7 @@ x_15 = lean_ctor_get(x_9, 1);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_dec(x_9);
-x_16 = l_Lean_SMap_switch___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__4(x_14);
+x_16 = l_Lean_SMap_switch___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__4(x_14);
 x_17 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_17, 0, x_1);
 lean_ctor_set(x_17, 1, x_16);
@@ -14968,7 +15347,7 @@ return x_22;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__2(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__2(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; 
@@ -15023,7 +15402,7 @@ return x_18;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__3(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__3(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
@@ -15038,7 +15417,7 @@ x_6 = l_List_toArrayAux___rarg(x_3, x_5);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__4(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__4(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
@@ -15046,7 +15425,7 @@ x_2 = lean_box(0);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__1() {
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -15054,17 +15433,17 @@ x_1 = lean_mk_string_from_bytes("cfolder", 7);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__2() {
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__1;
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__3() {
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -15076,52 +15455,52 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__4() {
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__3;
+x_1 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__3;
 x_2 = lean_alloc_closure((void*)(l_EStateM_pure___rarg), 2, 1);
 lean_closure_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__5() {
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__5() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__2), 2, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__2), 2, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__6() {
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__6() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__3), 1, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__3), 1, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__7() {
+static lean_object* _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__7() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__4___boxed), 1, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__4___boxed), 1, 0);
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555_(lean_object* x_1) {
 _start:
 {
 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; 
 x_2 = lean_box(0);
-x_3 = lean_alloc_closure((void*)(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__1___boxed), 4, 1);
+x_3 = lean_alloc_closure((void*)(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__1___boxed), 4, 1);
 lean_closure_set(x_3, 0, x_2);
-x_4 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__2;
-x_5 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__4;
-x_6 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__5;
-x_7 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__6;
-x_8 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__7;
+x_4 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__2;
+x_5 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__4;
+x_6 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__5;
+x_7 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__6;
+x_8 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__7;
 x_9 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_9, 0, x_4);
 lean_ctor_set(x_9, 1, x_5);
@@ -15133,16 +15512,16 @@ x_10 = l_Lean_registerPersistentEnvExtensionUnsafe___rarg(x_9, x_1);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__1(x_1, x_2);
+x_3 = l_IO_ofExcept___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__1(x_1, x_2);
 lean_dec(x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____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_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____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) {
 _start:
 {
 size_t x_8; size_t x_9; lean_object* x_10; 
@@ -15150,13 +15529,13 @@ x_8 = lean_unbox_usize(x_3);
 lean_dec(x_3);
 x_9 = lean_unbox_usize(x_4);
 lean_dec(x_4);
-x_10 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__2(x_1, x_2, x_8, x_9, x_5, x_6, x_7);
+x_10 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__2(x_1, x_2, x_8, x_9, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_2);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__3___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_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__3___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:
 {
 size_t x_8; size_t x_9; lean_object* x_10; 
@@ -15164,26 +15543,26 @@ x_8 = lean_unbox_usize(x_3);
 lean_dec(x_3);
 x_9 = lean_unbox_usize(x_4);
 lean_dec(x_4);
-x_10 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____spec__3(x_1, x_2, x_8, x_9, x_5, x_6, x_7);
+x_10 = l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____spec__3(x_1, x_2, x_8, x_9, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_2);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__1___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_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__1(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__1(x_1, x_2, x_3, x_4);
 lean_dec(x_2);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__4___boxed(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__4___boxed(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____lambda__4(x_1);
+x_2 = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____lambda__4(x_1);
 lean_dec(x_1);
 return x_2;
 }
@@ -15617,6 +15996,68 @@ l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__11 = _i
 lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__11);
 l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__12 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__12();
 lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_getPseudoListLiteral_go___closed__12);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__1 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__1();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__1);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__2);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__3 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__3();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__3);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__4 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__4();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__4);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__5 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__5();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__5);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__6 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__6();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__6);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__7 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__7();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__7);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__8 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__8();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__8);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__9 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__9();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__9);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__10 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__10();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__10);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__11 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__11();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__11);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__12 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__12();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__12);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__13 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__13();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__13);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__14 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__14();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__14);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__15 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__15();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__15);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__16 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__16();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__16);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__17 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__17();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__17);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__18 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__18();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__18);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__19 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__19();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__19);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__20 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__20();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__20);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__21 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__21();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__21);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__22 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__22();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__22);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__23 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__23();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__23);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__24 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__24();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__24);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__25 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__25();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__25);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__26 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__26();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__26);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__27 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__27();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__27);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__28 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__28();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__28);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__29 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__29();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__29);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__30 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__30();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions___closed__30);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkSmallArrayFunctions);
 l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__1___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__1___closed__1();
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___spec__1___closed__1);
 l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__1 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__1();
@@ -15625,8 +16066,6 @@ l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__2 = _init_
 lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__2);
 l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__3 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__3();
 lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__3);
-l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__4 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__4();
-lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_mkPseudoArrayLiteral___closed__4);
 l_Lean_Compiler_LCNF_Simp_ConstantFold_foldArrayLiteral___closed__1 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_foldArrayLiteral___closed__1();
 lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_foldArrayLiteral___closed__1);
 l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_first___closed__1 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_Folder_first___closed__1();
@@ -15835,21 +16274,21 @@ l_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___closed__5 = _init_l_Lean
 lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders___closed__5);
 l_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders();
 lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_builtinFolders);
-l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__1 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__1();
-lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__1);
-l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__2 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__2();
-lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__2);
-l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__3 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__3();
-lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__3);
-l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__4 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__4();
-lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__4);
-l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__5 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__5();
-lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__5);
-l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__6 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__6();
-lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__6);
-l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__7 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__7();
-lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433____closed__7);
-if (builtin) {res = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4433_(lean_io_mk_world());
+l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__1 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__1();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__1);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__2 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__2();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__2);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__3 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__3();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__3);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__4 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__4();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__4);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__5 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__5();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__5);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__6 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__6();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__6);
+l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__7 = _init_l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__7();
+lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555____closed__7);
+if (builtin) {res = l_Lean_Compiler_LCNF_Simp_ConstantFold_initFn____x40_Lean_Compiler_LCNF_Simp_ConstantFold___hyg_4555_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Compiler_LCNF_Simp_ConstantFold_folderExt = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Compiler_LCNF_Simp_ConstantFold_folderExt);