1 /* Test for constant expressions: __builtin_offsetof allowed in
2 integer constant expressions but not traditional offsetof
4 /* Origin: Joseph Myers <joseph@codesourcery.com> */
5 /* { dg-do compile } */
6 /* { dg-options "-std=iso9899:1999 -pedantic-errors -ftrack-macro-expansion=0" } */
17 #define old_offsetof(TYPE, MEMBER) ((__SIZE_TYPE__)(__UINTPTR_TYPE__) &((TYPE *)0)->MEMBER)
20 E1
= old_offsetof (struct s
, a
), /* { dg-error "constant" } */
21 E2
= old_offsetof (struct t
, a
.a
), /* { dg-error "constant" } */
22 E3
= old_offsetof (struct t
, b
[1]), /* { dg-error "constant" } */
23 E4
= __builtin_offsetof (struct s
, a
),
24 E5
= __builtin_offsetof (struct t
, a
.a
),
25 E6
= __builtin_offsetof (struct t
, b
[1])