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/* Test assignments and comparisons involving category protocols.  */

/* Author: Nicola Pero .  */

/* { dg-do compile } */

#include 

@protocol MyProtocol

- (void) method;

@end

@interface MyClass

@end

@interface MyClass (Addition) 

- (void) method;

@end

@interface MyOtherClass : MyClass

@end

int main()

{

  id  obj_p = nil;

  MyClass *obj_cp = nil;

  MyOtherClass *obj_cp2 = nil;

  obj_cp = obj_p;  /* { dg-warning "distinct Objective\\-C type" } */

  obj_cp2 = obj_p; /* { dg-warning "distinct Objective\\-C type" } */

  obj_p = obj_cp;  /* Ok */

  obj_p = obj_cp2; /* Ok */

  if (obj_cp == obj_p) ; /* Ok */

  if (obj_cp2 == obj_p) ; /* Ok */

  if (obj_p == obj_cp) ; /* Ok */

  if (obj_p == obj_cp2) ; /* Ok */

  return 0;

}