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