C++: Do type and name equality checking in a safe manner.

Change the TypeMatcher to also match names, and use two "block" lists
in SafeMatcher to prevent infinite recursion.

Task-number: QTCREATORBUG-11240
Change-Id: I0367ae795ee6be579b83aeb8d46723c877e4aa75
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

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

@@ -113,6 +113,7 @@ public:
 
 protected:
     virtual void accept0(NameVisitor *visitor) const;
+    virtual bool match0(const Name *otherName, Matcher *matcher) const;
 };
 
 } // namespace CPlusPlus