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

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/goto.cpp b/clang/test/CodeGenCXX/goto.cpp
index 77b6166..904f95f 100644
--- a/clang/test/CodeGenCXX/goto.cpp
+++ b/clang/test/CodeGenCXX/goto.cpp
@@ -5,7 +5,7 @@
   struct A { A(); ~A(); };
   struct V { V(const A &a = A()); ~V(); };
 
-  // CHECK: define linkonce_odr i32 @_ZN5test04testILi0EEEii
+  // CHECK-LABEL: define linkonce_odr i32 @_ZN5test04testILi0EEEii
   template<int X> int test(int x) {
     // CHECK:      [[RET:%.*]] = alloca i32
     // CHECK-NEXT: [[X:%.*]] = alloca i32