2 /* { dg-do compile } */
3 /* { dg-options "-ansi" } */
4 /* Test whether we don't ICE on questionable constructs where offsetof
5 should have been used instead. */
13 char c[(char *) &((struct S *) 0)->b - (char *) 0]; /* { dg-warning "variably modified" } */
14 char d[(__UINTPTR_TYPE__) &((struct S *) 8)->b]; /* { dg-warning "variably modified" } */
15 char e[sizeof (c) == __builtin_offsetof (struct S, b) ? 1 : -1];
16 char f[sizeof (d) == __builtin_offsetof (struct S, b) + 8 ? 1 : -1];
18 extern void bar (char *, char *);
23 char g[(char *) &((struct S *) 0)->b - (char *) 0];
24 char h[(__UINTPTR_TYPE__) &((struct S *) 8)->b];
25 char i[sizeof (g) == __builtin_offsetof (struct S, b) ? 1 : -1];
26 char j[sizeof (h) == __builtin_offsetof (struct S, b) + 8 ? 1 : -1];