gcc/testsuite/gcc.dg/torture/pr77855.c

   1 /* { dg-do run } */
   2
   3 int a, b = 1, c, e, f, g, k, m, n, o;
   4 char d, h, i, j, l;
   5 char res[2];
   6
   7 void __attribute__ ((noinline,noclone)) fn2 ()
   8 {
   9   d = 2;
  10 }
  11
  12 void fn3 ()
  13 {
  14   for (;;)
  15     {
  16       for (; b; b--)
  17         {
  18           fn2 ();
  19           if (e)
  20             j = 1;
  21           if (f)
  22             L1:
  23                 k = j | (a & l);
  24           for (;;)
  25             {
  26               __builtin_snprintf (res, 2, "%d\n", d);
  27               if (d)
  28                 break;
  29               for (; o; o--)
  30                 for (; n;)
  31                   for (; m; m++)
  32                     ;
  33               goto L1;
  34             }
  35         }
  36       g = h;
  37       c = i;
  38       break;
  39     }
  40 }
  41
  42 int main ()
  43 {
  44   fn3 ();
  45   if (res[0] != '2')
  46     __builtin_abort ();
  47   return 0;
  48 }