Fixed #6234 (FP : shift by too many bits is undefined on a QT container)

lib/checktype.cpp

@@ -124,7 +124,7 @@ void CheckType::checkTooBigBitwiseShift()
                     lhsbits = _settings->sizeof_int * 8;
                     break;
                 }
-                if (type == var->typeEndToken())
+                if (type == var->typeEndToken() || type->str() == "<")
                     break;
             }
             if (lhsbits == 0)

test/testtype.cpp

@@ -79,6 +79,12 @@ private:
               "   return (long long)x << 40;\n"
               "}",&settings);
         ASSERT_EQUALS("", errout.str());
+
+        check("void foo() {\n"
+              "  QList<int> someList;\n"
+              "  someList << 300;\n"
+              "}", &settings);
+        ASSERT_EQUALS("", errout.str());
     }
 
     void checkIntegerOverflow() {