if (!(match instanceof ReferenceBinding)) return false;
org.eclipse.jdt.internal.compiler.lookup.MethodBinding[] superMethods = ((ReferenceBinding)match).getMethods(selector);
LookupEnvironment lookupEnvironment = _env.getLookupEnvironment();
if (lookupEnvironment == null) return false;
MethodVerifier methodVerifier = lookupEnvironment.methodVerifier();
for (int i = 0, length = superMethods.length; i < length; i++) {
if (superMethods[i].original() == overriddenBinding) {
return methodVerifier.doesMethodOverride(overriderBinding, superMethods[i]);
}
}