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/* Positive test case for constant string layout.  */

/* Contributed by Ziemowit Laski  .  */

/* { dg-do compile } */

/* { dg-options "-fconstant-string-class=MyConstantString" } */

/* { dg-options "-mno-constant-cfstrings -fconstant-string-class=MyConstantString" { target *-*-darwin* } } */

@interface MyBase {

  const char *p;

}

@end

@interface MyConstantString: MyBase {

  union equiv_u {

    void     *u;

    unsigned char   *c;

  } _contents;

  unsigned int  _count;

}

@end

/* The NeXT runtime initializes the 'isa' pointer of string constants at

   compile time.  */

#ifdef __NEXT_RUNTIME__

extern void *_MyConstantStringClassReference;

#endif

MyConstantString *str = @"Hello";