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])