Tests/LinkLanguage/foo.cxx - third_party/github.com/Kitware/CMake - Git at Google

 extern "C" int foo(void)
 {
   // Reference C++ standard library symbols.
   delete new int;
   return 0;
 }
	extern "C" int foo(void)
	{
	// Reference C++ standard library symbols.
	delete new int;
	return 0;
	}