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

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/pr9130.cpp b/clang/test/CodeGenCXX/pr9130.cpp
index b28f394..e726e5a 100644
--- a/clang/test/CodeGenCXX/pr9130.cpp
+++ b/clang/test/CodeGenCXX/pr9130.cpp
@@ -11,4 +11,4 @@
 nsVorbisState::~nsVorbisState() {
 }
 
-// CHECK: define linkonce_odr i32 @_ZN15nsOggCodecState9StartTimeEv
+// CHECK-LABEL: define linkonce_odr i32 @_ZN15nsOggCodecState9StartTimeEv