gcc/testsuite/gcc.target/arc/loop-hazard-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Os" } */
   3
   4 /* This caused an assertion within arc_loop_hazard.  */
   5
   6 unsigned a, b;
   7
   8 long fn1()
   9 {
  10   long c = 1, d = 0;
  11   while (a && c && b)
  12     c <<= 1;
  13   while (c)
  14     d |= c;
  15   return d;
  16 }