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/* Bail out gracefully if attempting to derive from a class that has only been

/* Bail out gracefully if attempting to derive from a class that has only been

   forward-declared (via @class).  Conversely, @compatibility_alias declarations

   forward-declared (via @class).  Conversely, @compatibility_alias declarations

   should be traversed to find the @interface.  */

   should be traversed to find the @interface.  */

/* { dg-do compile } */

/* { dg-do compile } */

#include "../objc-obj-c++-shared/Object1.h"

#include "../objc-obj-c++-shared/Object1.h"

@class MyWpModule;

@class MyWpModule;

@compatibility_alias MyObject Object;

@compatibility_alias MyObject Object;

@compatibility_alias FictitiousModule MyWpModule;

@compatibility_alias FictitiousModule MyWpModule;

@protocol MySelTarget

@protocol MySelTarget

- (id) meth1;

- (id) meth1;

@end

@end

@protocol Img

@protocol Img

- (id) meth2;

- (id) meth2;

@end

@end

@interface FunnyModule: FictitiousModule  /* { dg-error ".MyWpModule., superclass of .FunnyModule." } */

@interface FunnyModule: FictitiousModule  /* { dg-error ".MyWpModule., superclass of .FunnyModule." } */

- (id) meth2;

- (id) meth2;

@end

@end

@interface MyProjWpModule : MyWpModule  /* { dg-error ".MyWpModule., superclass of .MyProjWpModule." } */ {

@interface MyProjWpModule : MyWpModule  /* { dg-error ".MyWpModule., superclass of .MyProjWpModule." } */ {

  id i1, i2;

  id i1, i2;

}

}

- (id) meth1;

- (id) meth1;

- (id) meth2;

- (id) meth2;

@end

@end

@interface AnotherModule: MyObject 

@interface AnotherModule: MyObject 

- (id) meth1;

- (id) meth1;

@end

@end