Force the correction of delayed typos in casts in non-C++ code.

Fixes PR21656, which is fallout from r222551 caused by an untested/missed
code path.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@222694 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index fd7c76121d..223e93e7c3 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -5299,6 +5299,12 @@ Sema::ActOnCastExpr(Scope *S, SourceLocation LParenLoc,
   if (getLangOpts().CPlusPlus) {
     // Check that there are no default arguments (C++ only).
     CheckExtraCXXDefaultArguments(D);
+  } else {
+    // Make sure any TypoExprs have been dealt with.
+    ExprResult Res = CorrectDelayedTyposInExpr(CastExpr);
+    if (!Res.isUsable())
+      return ExprError();
+    CastExpr = Res.get();
   }
 
   checkUnusedDeclAttributes(D);