fix: no sorry-warning for missing match cases

src/Lean/Elab/Match.lean

@@ -1112,9 +1112,9 @@ private def elabMatchAux (generalizing? : Option Bool) (discrStxs : Array Syntax
     let numDiscrs := discrs.size
     let matcherName ← mkAuxName `match
     let matcherResult ← mkMatcher { matcherName, matchType, discrInfos := discrs.map fun discr => { hName? := discr.h?.map (·.getId) }, lhss := altLHSS }
+    reportMatcherResultErrors altLHSS matcherResult
     matcherResult.addMatcher
     let motive ← forallBoundedTelescope matchType numDiscrs fun xs matchType => mkLambdaFVars xs matchType
-    reportMatcherResultErrors altLHSS matcherResult
     let r := mkApp matcherResult.matcher motive
     let r := mkAppN r (discrs.map (·.expr))
     let r := mkAppN r rhss

tests/lean/301.lean.expected.out

@@ -1,4 +1,3 @@
-301.lean:1:9-1:17: warning: declaration uses 'sorry'
 301.lean:1:9-1:17: error: missing cases:
 (Nat.succ _)
 301.lean:1:21-1:24: error: type mismatch

tests/lean/matchErrorMsg.lean.expected.out

@@ -1,3 +1,2 @@
-matchErrorMsg.lean:2:1-4:16: warning: declaration uses 'sorry'
 matchErrorMsg.lean:2:1-2:6: error: missing cases:
 (Prod.mk Nat.zero (Nat.succ _))

tests/lean/matchMissingCasesAsStuckError.lean.expected.out

@@ -1,3 +1,2 @@
-matchMissingCasesAsStuckError.lean:2:2-3:24: warning: declaration uses 'sorry'
 matchMissingCasesAsStuckError.lean:2:2-2:7: error: missing cases:
 none

tests/lean/matchUnknownFVarBug.lean.expected.out

@@ -1,4 +1,3 @@
-matchUnknownFVarBug.lean:2:2-3:19: warning: declaration uses 'sorry'
 matchUnknownFVarBug.lean:2:2-2:7: error: missing cases:
 (some (Nat.succ _)), (some _)
 (some (Nat.succ _)), none

tests/lean/patvar.lean.expected.out

@@ -1,4 +1,3 @@
-patvar.lean:3:0-3:22: warning: declaration uses 'sorry'
 patvar.lean:3:0-3:22: error: missing cases:
 (List.cons _ _)
 patvar.lean:10:0-10:16: error: missing cases: