Correct delayed typos in the operand to typeof expressions.

Fixes PR21947.

llvm-svn: 224558

clang/lib/Parse/ParseDecl.cpp

@@ -5932,8 +5932,8 @@ void Parser::ParseTypeofSpecifier(DeclSpec &DS) {
   bool isCastExpr;
   ParsedType CastTy;
   SourceRange CastRange;
-  ExprResult Operand = ParseExprAfterUnaryExprOrTypeTrait(OpTok, isCastExpr,
-                                                          CastTy, CastRange);
+  ExprResult Operand = Actions.CorrectDelayedTyposInExpr(
+      ParseExprAfterUnaryExprOrTypeTrait(OpTok, isCastExpr, CastTy, CastRange));
   if (hasParens)
     DS.setTypeofParensRange(CastRange);
 

clang/test/SemaCXX/typo-correction-delayed.cpp

@@ -147,3 +147,8 @@ void test() {
 namespace PR21905 {
 int (*a) () = (void)Z;  // expected-error-re {{use of undeclared identifier 'Z'{{$}}}}
 }
+
+namespace PR21947 {
+int blue;  // expected-note {{'blue' declared here}}
+__typeof blur y;  // expected-error {{use of undeclared identifier 'blur'; did you mean 'blue'?}}
+}