diff --git a/clang/test/SemaCXX/warn-inconsistent-missing-destructor-override b/clang/test/SemaCXX/warn-inconsistent-missing-destructor-override.cpp
similarity index 100%
rename from clang/test/SemaCXX/warn-inconsistent-missing-destructor-override
rename to clang/test/SemaCXX/warn-inconsistent-missing-destructor-override.cpp
diff --git a/clang/test/SemaCXX/warn-suggest-destructor-override b/clang/test/SemaCXX/warn-suggest-destructor-override.cpp
similarity index 100%
rename from clang/test/SemaCXX/warn-suggest-destructor-override
rename to clang/test/SemaCXX/warn-suggest-destructor-override.cpp
diff --git a/clang/test/SemaCXX/warn-suggest-override b/clang/test/SemaCXX/warn-suggest-override.cpp
similarity index 72%
rename from clang/test/SemaCXX/warn-suggest-override
rename to clang/test/SemaCXX/warn-suggest-override.cpp
index e06c939ff001f..4959cbc7a8a5b 100644
--- a/clang/test/SemaCXX/warn-suggest-override
+++ b/clang/test/SemaCXX/warn-suggest-override.cpp
@@ -17,13 +17,13 @@ struct C {
 
 struct D : public C {
   void run();
-  // expected-warning@-1 {{'run()' overrides a member function but is not marked 'override'}}
+  // expected-warning@-1 {{'run' overrides a member function but is not marked 'override'}}
   ~D();
 };
 
 struct E : public C {
   virtual void run();
-  // expected-warning@-1 {{'run()' overrides a member function but is not marked 'override'}}
+  // expected-warning@-1 {{'run' overrides a member function but is not marked 'override'}}
   virtual ~E();
 };