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

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/inheriting-constructor.cpp b/clang/test/CodeGenCXX/inheriting-constructor.cpp
index 0f39784..c99a20c 100644
--- a/clang/test/CodeGenCXX/inheriting-constructor.cpp
+++ b/clang/test/CodeGenCXX/inheriting-constructor.cpp
@@ -11,18 +11,18 @@
 struct D : C { using C::C; };
 D d(123);
 
-// CHECK: define void @_ZN1BD0Ev
-// CHECK: define void @_ZN1BD1Ev
-// CHECK: define void @_ZN1BD2Ev
+// CHECK-LABEL: define void @_ZN1BD0Ev
+// CHECK-LABEL: define void @_ZN1BD1Ev
+// CHECK-LABEL: define void @_ZN1BD2Ev
 
-// CHECK: define linkonce_odr void @_ZN1BC1Ei(
+// CHECK-LABEL: define linkonce_odr void @_ZN1BC1Ei(
 // CHECK: call void @_ZN1BC2Ei(
 
-// CHECK: define linkonce_odr void @_ZN1DC1IiEET_(
+// CHECK-LABEL: define linkonce_odr void @_ZN1DC1IiEET_(
 // CHECK: call void @_ZN1DC2IiEET_(
 
-// CHECK: define linkonce_odr void @_ZN1DC2IiEET_(
+// CHECK-LABEL: define linkonce_odr void @_ZN1DC2IiEET_(
 // CHECK: call void @_ZN1CC2IiEET_(
 
-// CHECK: define linkonce_odr void @_ZN1BC2Ei(
+// CHECK-LABEL: define linkonce_odr void @_ZN1BC2Ei(
 // CHECK: call void @_ZN1AC2Ei(