gcc/testsuite/gcc.dg/pr105969.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wall" } */
   3
   4 struct A
   5 {
   6   char a[0][0][0];
   7 };
   8 extern struct A b[][2];
   9 void f (void)
  10 {
  11   __builtin_sprintf (b[0][0].a[1][0], "%s", b[0][0].a[1][0]); /* { dg-warning "past the end" } */
  12   /* { dg-warning "overlaps destination" "" { target *-*-* } .-1 } */
  13 }