if (receiverNode.definition(runtime, context, self, aBlock) != null) {
try {
IRubyObject receiver = receiverNode.interpret(runtime, context, self, aBlock);
RubyClass metaClass = receiver.getMetaClass();
DynamicMethod method = metaClass.searchMethod(name);
Visibility visibility = method.getVisibility();
if (visibility != Visibility.PRIVATE &&
(visibility != Visibility.PROTECTED || metaClass.getRealClass().isInstance(self))) {
if (metaClass.isMethodBound(name, false)) {
return ASTInterpreter.getArgumentDefinition(runtime, context, argsNode, "assignment", self, aBlock);