gcc/testsuite/gcc.dg/torture/pr82291.c

   1 /* { dg-do run } */
   2
   3 int a, c, d, *h;
   4 unsigned b;
   5
   6 int *fn1 ()
   7 {
   8   int *f[3], g = 0;
   9   for (; g < 3; g++)
  10     f[g] = &a;
  11   if (--b > a)
  12     {
  13       if (a > b)
  14         d++;
  15       return f[0];
  16     }
  17 }
  18
  19 void fn2 ()
  20 {
  21   for (; c >= 0; --c)
  22     {
  23       int j[] = { 0, 0, 0, 0, 0 };
  24       int *k = fn1 ();
  25       if (!k)
  26         __builtin_abort ();
  27       h = &j[4];
  28     }
  29 }
  30
  31 int main ()
  32 {
  33   fn2 ();
  34   if (d != 0)
  35     __builtin_abort ();
  36   return 0;
  37 }