20 lines
		
	
	
		
			684 B
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			684 B
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
// RUN: %clang_cc1 -fsyntax-only -Wreceiver-forward-class -verify %s
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// RUN: %clang_cc1 -x objective-c++ -fsyntax-only  -Wreceiver-forward-class -verify %s
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// rdar://10686120
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@class A; // expected-note {{forward declaration of class here}}
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@interface B
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-(int) width; // expected-note {{using}}
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@end
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@interface C
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-(float) width; // expected-note {{also found}}
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@end
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int f0(A *x) {
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  return [x width]; // expected-warning {{receiver type 'A' for instance message is a forward declaration}} \
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                    // expected-warning {{multiple methods named 'width' found}} \
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                    // expected-note {{receiver is treated with 'id' type for purpose of method lookup}}
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}
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