gcc/testsuite/gcc.dg/torture/pr55107.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-fno-split-loops -w" } */
   3
   4 typedef unsigned short uint16_t;
   5
   6 uint16_t a, b;
   7
   8 uint16_t f(void)
   9 {
  10   int c, **p;
  11   short d = 2, e = 4;
  12
  13   for (;; b++)
  14     {
  15       int *j, k = 0;
  16
  17       for (; *j; j++)
  18         {
  19           for(; c; c++)
  20             for(; k < 1; k++)
  21               {
  22                 short *f = &d;
  23
  24                 if(b)
  25                   return *f;
  26               }
  27         }
  28
  29       if(!c)
  30         d *= e;
  31
  32       ((a = d) ? b = 0 : (**p ? : 1) != (d != 1 ? : (a = 0))) != (k ? a : 0)
  33           < (a *= c = k) && (**p = 0);
  34     }
  35 }