1 /* { dg-do compile } */
2 /* { dg-options "" } */
3 
4 /* ISO C99 flexible array members don't have a size.  GCC's zero-length
5    array extension does.  */
6 
7 typedef int T0[0];
8 typedef int T[];
9 struct f { int w; T0 x; } f;
10 struct g { int w; T x; } g;
11 
12 char test_gcc[sizeof (f.x) ? -1 : 1];
13 char test_iso[sizeof (g.x) ? -1 : 1]; /* { dg-error "incomplete type" "iso" } */
14