Index: source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
===================================================================
--- source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
+++ source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
@@ -256,6 +256,9 @@
   // this is a C++ mangled name, but we can put that off till there is actually
   // more than one
   // we care about.
+#if defined(_MSC_VER)
+  return (name != nullptr && name[0] == '?');
+#endif
 
   return (name != nullptr && name[0] == '_' && name[1] == 'Z');
 }