Wire up delayed typo correction to DiagnoseEmptyLookup and set up

Sema::ActOnIdExpression to use the new functionality.

Among other things, this allows recovery in several cases where it
wasn't possible before (e.g. correcting a mistyped static_cast<>).

llvm-svn: 222464

1 files changed, 4 insertions, 1 deletions

diff --git a/clang/lib/Parse/ParseObjc.cpp b/clang/lib/Parse/ParseObjc.cpp
index ad1cbff482b..0d0f1109895 100644
--- a/clang/lib/Parse/ParseObjc.cpp
+++ b/clang/lib/Parse/ParseObjc.cpp
@@ -2170,7 +2170,10 @@ bool Parser::ParseObjCXXMessageReceiver(bool &IsExpr, void *&TypeOrExpr) {
   if (!Actions.isSimpleTypeSpecifier(Tok.getKind())) {
     //   objc-receiver:
     //     expression
-    ExprResult Receiver = ParseExpression();
+    // Make sure any typos in the receiver are corrected or diagnosed, so that
+    // proper recovery can happen. FIXME: Perhaps filter the corrected expr to
+    // only the things that are valid ObjC receivers?
+    ExprResult Receiver = Actions.CorrectDelayedTyposInExpr(ParseExpression());
     if (Receiver.isInvalid())
       return true;