gcc/testsuite/gcc.c-torture/compile/pr31345-1.c

   1 /* PR tree-optimization/31345
   2    This caused a crash in VRP when dealing with overflow infinities.  */
   3
   4 void
   5 dpsnaffle (const char *kbuf)
   6 {
   7   int hash, thash, head[2], off;
   8     {
   9       int _DP_i;
  10       (hash) = 19780211;
  11         {
  12           (hash) = (hash) + (kbuf)[_DP_i];
  13         }
  14       (hash) = ((hash) * 43321879) & 0x7FFFFFFF;
  15     }
  16   while (off != 0)
  17     {
  18       if (hash > thash) {}
  19       else if (hash < thash)
  20         {
  21           off = head[2];
  22         }
  23     }
  24 }