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/* Test for constant expressions: __builtin_offsetof allowed in

   integer constant expressions but not traditional offsetof

   expansion.  */

/* Origin: Joseph Myers <joseph@codesourcery.com> */

/* { dg-do compile } */

/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */

struct s {

  int a;

};

struct t {

  struct s a;

  int b[2];

};

#define old_offsetof(TYPE, MEMBER) ((__SIZE_TYPE__) &((TYPE *)0)->MEMBER)

enum e {

  E1 = old_offsetof (struct s, a), /* { dg-error "constant" } */

  E2 = old_offsetof (struct t, a.a), /* { dg-error "constant" } */

  E3 = old_offsetof (struct t, b[1]), /* { dg-error "constant" } */

  E4 = __builtin_offsetof (struct s, a),

  E5 = __builtin_offsetof (struct t, a.a),

  E6 = __builtin_offsetof (struct t, b[1])

};