|  | // RUN: %clang_cc1  -fsyntax-only -verify -Wno-objc-root-class -disable-objc-default-synthesize-properties %s | 
|  |  | 
|  | @protocol PROTOCOL0 | 
|  | @required | 
|  | @property float MyProperty0; // expected-note 2 {{property declared}} | 
|  | @end | 
|  |  | 
|  | @protocol PROTOCOL<PROTOCOL0> | 
|  | @required | 
|  | @property float MyProperty; // expected-note 2 {{property declared}} | 
|  | @optional | 
|  | @property float OptMyProperty; | 
|  | @end | 
|  |  | 
|  | @interface I <PROTOCOL> | 
|  | @end | 
|  |  | 
|  | @implementation I @end // expected-warning {{property 'MyProperty0' requires method 'MyProperty0' to be defined}} \ | 
|  | // expected-warning {{property 'MyProperty0' requires method 'setMyProperty0:' to be defined}}\ | 
|  | // expected-warning {{property 'MyProperty' requires method 'MyProperty' to be defined}} \ | 
|  | // expected-warning {{property 'MyProperty' requires method 'setMyProperty:' to be defined}} | 
|  |  | 
|  | // rdar://10120691 | 
|  | // property is implemented in super class. No warning | 
|  |  | 
|  | @protocol PROTOCOL1 | 
|  | @property int MyProp; | 
|  | @end | 
|  |  | 
|  | @interface superclass | 
|  | @property int MyProp; | 
|  | @end | 
|  |  | 
|  | @interface childclass : superclass <PROTOCOL1> | 
|  | @end | 
|  |  | 
|  | @implementation childclass | 
|  | @end | 
|  |  |