File: forward-class-receiver.m

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// RUN: %clang_cc1  -fsyntax-only -verify %s

@interface I
+ new; // expected-note {{method 'new' is used for the forward class}}
@end
Class isa;

@class NotKnown; // expected-note{{forward declaration of class here}}

void foo(NotKnown *n) {
  [isa new];
  [NotKnown new];	   /* expected-warning {{receiver 'NotKnown' is a forward class and corresponding}} */
}