gcc/testsuite/gcc.dg/torture/pr56349.c

   1 /* { dg-do compile } */
   2
   3 int a, b;
   4 short c;
   5
   6 void f(void)
   7 {
   8   int a = 0;
   9   int *k = 0;
  10
  11   for(; a < 2; a++);
  12
  13   if(!!(b |= a < 3) - 1)
  14     {
  15       if(0)
  16         for (;; a++)
  17           {
  18             for (; c; *k = 0);
  19 lbl1:
  20             ;
  21           }
  22
  23       for(; *k; k++)
  24         {
  25           c = b ? : a;
  26
  27           if (c)
  28             lbl2:
  29                 b = 0;
  30         }
  31       goto lbl1;
  32     }
  33
  34   for(;; b++)
  35     {
  36       if(b)
  37         goto lbl2;
  38
  39       k = &b;
  40     }
  41 }