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1// RUN: %clang_cc1 -fsyntax-only -verify %s2 3@interface MyBase 4- (void) rootInstanceMethod;5@end6 7@interface MyIntermediate: MyBase8@end9 10@interface MyDerived: MyIntermediate11- (void) instanceMethod;12+ (void) classMethod;13@end14 15@implementation MyDerived16- (void) instanceMethod {17}18 19+ (void) classMethod { /* If a class method is not found, the root */20 [self rootInstanceMethod]; /* class is searched for an instance method */21 [MyIntermediate rootInstanceMethod]; /* with the same name. */22 23 [self instanceMethod];// expected-warning {{'+instanceMethod' not found (return type defaults to 'id')}}24 [MyDerived instanceMethod];// expected-warning {{'+instanceMethod' not found (return type defaults to 'id')}}25}26@end27 28@interface Object @end29 30@interface Class131- (void)setWindow:(Object *)wdw;32@end33 34@interface Class235- (void)setWindow:(Class1 *)window;36@end37 38#define nil (void*)039 40id foo(void) {41 Object *obj;42 id obj2 = obj;43 [obj setWindow:nil]; // expected-warning {{'Object' may not respond to 'setWindow:'}}44 45 return obj;46}47