gcc/testsuite/gcc.c-torture/execute/pr59229.c

   1 int i;
   2
   3 __attribute__((noinline, noclone)) void
   4 bar (char *p)
   5 {
   6   if (i < 1 || i > 6)
   7     __builtin_abort ();
   8   if (__builtin_memcmp (p, "abcdefg", i + 1) != 0)
   9     __builtin_abort ();
  10   __builtin_memset (p, ' ', 7);
  11 }
  12
  13 __attribute__((noinline, noclone)) void
  14 foo (char *p, unsigned long l)
  15 {
  16   if (l < 1 || l > 6)
  17     return;
  18   char buf[7];
  19   __builtin_memcpy (buf, p, l + 1);
  20   bar (buf);
  21 }
  22
  23 int
  24 main ()
  25 {
  26   for (i = 0; i < 16; i++)
  27     foo ("abcdefghijklmnop", i);
  28   return 0;
  29 }