blob: 11e0b2c08b31b4b2545ea186c6c6915f0919c393 [file] [log] [blame]
/* 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 -ftrack-macro-expansion=0" } */
struct s {
int a;
};
struct t {
struct s a;
int b[2];
};
#define old_offsetof(TYPE, MEMBER) ((__SIZE_TYPE__)(__UINTPTR_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])
};