Fix <rdar://problem/6150376> [sema] crash on invalid message send.

The core fix in Sema::ActOnClassMessage(). All the other changes have to do with passing down the SourceLocation for the receiver (to properly position the cursor when producing an error diagnostic).



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59639 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 440393dac6..5f36f0bb27 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -212,9 +212,10 @@ Parser::ExprResult Parser::ParseAssignmentExpression() {
 /// expressions and other binary operators for these expressions as well.
 Parser::ExprResult 
 Parser::ParseAssignmentExprWithObjCMessageExprStart(SourceLocation LBracLoc,
+                                                    SourceLocation NameLoc,
                                                    IdentifierInfo *ReceiverName,
                                                     ExprTy *ReceiverExpr) {
-  ExprResult R = ParseObjCMessageExpressionBody(LBracLoc, ReceiverName,
+  ExprResult R = ParseObjCMessageExpressionBody(LBracLoc, NameLoc, ReceiverName,
                                                 ReceiverExpr);
   if (R.isInvalid) return R;
   R = ParsePostfixExpressionSuffix(R);