symboldatabase.cpp: avoid library type lookup in parsedecl() if token is a keyword (#7821)

Author: firewave

lib/symboldatabase.cpp

@@ -7464,8 +7464,10 @@ static const Token* parsedecl(const Token* type,
             valuetype->typeScope = type->type()->classScope;
         } else if (type->isName() && valuetype->sign != ValueType::Sign::UNKNOWN_SIGN && valuetype->pointer == 0U)
             return nullptr;
-        else if (Token::Match(type->previous(), "!!:: %name% !!::"))
-            valuetype->fromLibraryType(type->str(), settings);
+        else if (Token::Match(type->previous(), "!!:: %name% !!::")) {
+            if (!type->isKeyword())
+                valuetype->fromLibraryType(type->str(), settings);
+        }
         if (!type->originalName().empty())
             valuetype->originalTypeName = type->originalName();
         type = type->next();