gcc/testsuite/gcc.dg/pr71362.c

   1 /* PR c/71362 */
   2 /* { dg-do compile } */
   3
   4 extern void foo (int[-1]); /* { dg-error "21:size of unnamed array is negative" } */
   5
   6 int
   7 bar (void)
   8 {
   9   123 + sizeof (int[-1]); /* { dg-error "20:size of unnamed array is negative" } */
  10 }