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1// RUN: %clang_cc1 -fsyntax-only -Wreceiver-forward-class -verify %s2// RUN: %clang_cc1 -x objective-c++ -fsyntax-only -Wreceiver-forward-class -verify %s3 4@class A; // expected-note {{forward declaration of class here}}5 6@interface B7-(int) width; // expected-note {{using}}8@end9@interface C10-(float) width; // expected-note {{also found}}11@end12 13int f0(A *x) {14 return [x width]; // expected-warning {{receiver type 'A' for instance message is a forward declaration}} \15 // expected-warning {{multiple methods named 'width' found}} \16 // expected-note {{receiver is treated with 'id' type for purpose of method lookup}}17}18 19