gcc/testsuite/gcc.dg/torture/pr87177.c

   1 /* { dg-do run } */
   2
   3 int __attribute__((noinline)) my_printf (const char *p, ...)
   4 {
   5   static volatile int x;
   6   ++x;
   7 }
   8
   9 int a, b, c, e, f, g, h, i, j, k, l;
  10 unsigned d;
  11
  12 static void p ()
  13 {
  14   while (1)
  15     {
  16       int n = h;
  17       h = 8;
  18       if (!e)
  19         break;
  20       h = n;
  21       while (1)
  22         ;
  23     }
  24   for (; c != 4; c++)
  25     {
  26       int o = g = 1;
  27       for (; g; g--)
  28         {
  29           while (d < b)
  30             e--;
  31           a = g;
  32           int q = o;
  33           if (q)
  34             L1:
  35                 j = f;
  36           if (l)
  37             {
  38               my_printf ("%d", g);
  39               goto L1;
  40             }
  41           o = l;
  42           k = q;
  43         }
  44     }
  45 }
  46
  47 void s ()
  48 {
  49   int m = 0;
  50 L2:
  51   if (i && g)
  52     goto L2;
  53   for (; m < 2; m++)
  54     p ();
  55 }
  56
  57 int main ()
  58 {
  59   s ();
  60   return 0;
  61 }