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/CPlusPlusForwardDeclarations.h

@@ -82,7 +82,7 @@ class QualifiedNameId;
 class SelectorNameId;
 
 // types
-class TypeMatcher;
+class Matcher;
 class FullySpecifiedType;
 class TypeVisitor;
 class Type;