C++: fix member rewriting when doing template instantiation.

Task-number: QTCREATORBUG-7964
Change-Id: Icc7d87bb4f2d1ab0560a6c06187d9c23da9fe3e9
Reviewed-by: David Schulz <david.schulz@digia.com>

src/libs/3rdparty/cplusplus/Name.h

@@ -23,6 +23,7 @@
 
 #include "CPlusPlusForwardDeclarations.h"
 
+#include <functional>
 
 namespace CPlusPlus {
 
@@ -55,6 +56,11 @@ public:
     void accept(NameVisitor *visitor) const;
     static void accept(const Name *name, NameVisitor *visitor);
 
+public:
+    struct Compare: std::binary_function<const Name *, const Name *, bool> {
+        bool operator()(const Name *name, const Name *other) const;
+    };
+
 protected:
     virtual void accept0(NameVisitor *visitor) const = 0;
 };