gcc/testsuite/gcc.dg/torture/pr100566.c

   1 /* { dg-do run } */
   2
   3 volatile int s, c;
   4
   5 __attribute__((noipa)) void
   6 foo (void)
   7 {
   8   if (c++ > 1)
   9     __builtin_abort ();
  10 }
  11
  12 __attribute__((noipa)) int
  13 bar (void)
  14 {
  15   int i = 0, j = s;
  16   if (j == 0)
  17     goto lab;
  18   for (i = 0; i < j; i++)
  19     {
  20     lab:
  21       foo ();
  22       if (!j)
  23         goto lab;
  24     }
  25   return 0;
  26 }
  27
  28 int
  29 main ()
  30 {
  31   s = 1;
  32   bar ();
  33   if (c != 1)
  34     __builtin_abort ();
  35   return 0;
  36 }