1// RUN: %clang_cc1 -fsyntax-only -Wreceiver-forward-class -verify %s 2// RUN: %clang_cc1 -x objective-c++ -fsyntax-only -Wreceiver-forward-class -verify %s 3// rdar://10686120 4 5@class A; // expected-note {{forward declaration of class here}} 6 7@interface B 8-(int) width; // expected-note {{using}} 9@end 10@interface C 11-(float) width; // expected-note {{also found}} 12@end 13 14int f0(A *x) { 15 return [x width]; // expected-warning {{receiver type 'A' for instance message is a forward declaration}} \ 16 // expected-warning {{multiple methods named 'width' found}} \ 17 // expected-note {{receiver is treated with 'id' type for purpose of method lookup}} 18} 19 20