|  | // RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify -Wno-objc-root-class %s | 
|  |  | 
|  | @interface foo | 
|  | - (int)meth; | 
|  | @end | 
|  |  | 
|  | @implementation foo | 
|  | - (int) meth { return [self meth]; } | 
|  | @end | 
|  |  | 
|  | // PR2708 | 
|  | @interface MyClass | 
|  | +- (void)myMethod;   // expected-error {{expected selector for Objective-C method}} | 
|  | - (vid)myMethod2;    // expected-error {{expected a type}} | 
|  | @end | 
|  |  | 
|  | @implementation MyClass | 
|  | - (void)myMethod { } | 
|  | - (vid)myMethod2 { }	// expected-error {{expected a type}} | 
|  |  | 
|  | @end | 
|  |  | 
|  |  | 
|  | @protocol proto; | 
|  | @protocol NSObject; | 
|  |  | 
|  | //@protocol GrowlPluginHandler <NSObject> @end | 
|  |  | 
|  |  | 
|  | @interface SomeClass2 | 
|  | - (int)myMethod1: (id<proto>) | 
|  | arg; // expected-note {{previous definition is here}} | 
|  | @end | 
|  |  | 
|  | @implementation SomeClass2 | 
|  | - (int)myMethod1: (id<NSObject>) | 
|  | arg { // expected-warning {{conflicting parameter types in implementation of 'myMethod1:': 'id<proto>' vs 'id<NSObject>'}} | 
|  |  | 
|  | } | 
|  | @end |