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.cpp

@@ -18,10 +18,13 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
+#include "Literals.h"
 #include "Name.h"
 #include "Names.h"
 #include "NameVisitor.h"
 
+#include <cstring>
+
 using namespace CPlusPlus;
 
 Name::Name()
@@ -65,4 +68,16 @@ void Name::accept(const Name *name, NameVisitor *visitor)
     name->accept(visitor);
 }
 
+bool Name::Compare::operator()(const Name *name, const Name *other) const
+{
+    if (name == 0)
+        return other != 0;
+    if (other == 0)
+        return false;
+    if (name == other)
+        return false;
 
+    const Identifier *id = name->identifier();
+    const Identifier *otherId = other->identifier();
+    return std::strcmp(id->chars(), otherId->chars()) < 0;
+}