Emit more refined "unsupported" error for block expressions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61993 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 71f9f92f9c..7b71d7b129 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -316,6 +316,11 @@ public:
   Value *VisitBinComma      (const BinaryOperator *E);
 
   // Other Operators.
+  Value *VisitBlockExpr(const BlockExpr *BE) {
+    CGF.ErrorUnsupported(BE, "block expression");
+    return llvm::UndefValue::get(CGF.ConvertType(BE->getType()));
+  }
+
   Value *VisitConditionalOperator(const ConditionalOperator *CO);
   Value *VisitChooseExpr(ChooseExpr *CE);
   Value *VisitOverloadExpr(OverloadExpr *OE);