CHECK-LABEL-ify some code gen tests to improve diagnostic experience when tests fail.

llvm-svn: 188447
diff --git a/clang/test/CodeGenObjCXX/exceptions.mm b/clang/test/CodeGenObjCXX/exceptions.mm
index 031c222..a62a82b 100644
--- a/clang/test/CodeGenObjCXX/exceptions.mm
+++ b/clang/test/CodeGenObjCXX/exceptions.mm
@@ -5,7 +5,7 @@
 
 namespace test0 {
 
-  // CHECK: define void @_ZN5test03fooEv
+  // CHECK-LABEL: define void @_ZN5test03fooEv
   void foo() {
     try {
       // CHECK: invoke void @_Z6opaquev