implement comma for complex.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41235 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CGExpr.cpp b/CodeGen/CGExpr.cpp
index 5e60e7b..6cb4e86 100644
--- a/CodeGen/CGExpr.cpp
+++ b/CodeGen/CGExpr.cpp
@@ -1353,7 +1353,7 @@
 
 
 RValue CodeGenFunction::EmitBinaryComma(const BinaryOperator *E) {
-  EmitExpr(E->getLHS());
+  EmitStmt(E->getLHS());
   return EmitExpr(E->getRHS());
 }