gcc/testsuite/gcc.dg/array-12.c

   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" } */