Extract override modifier

java/ql/src/Advisory/Declarations/MissingOverrideAnnotation.ql

@@ -21,6 +21,7 @@ from OverridingMethod m, Method overridden
 where
   m.fromSource() and
   m.overrides(overridden) and
+  not m.hasModifier("override") and
   not m.isOverrideAnnotated() and
   not exists(FunctionalExpr mref | mref.asMethod() = m)
 select m, "This method overrides $@; it is advisable to add an Override annotation.", overridden,