gcc/testsuite/gcc.dg/graphite/pr38559.c

   1 /* { dg-options "-O2" } */
   2
   3 int test()
   4 {
   5   int offset, len;
   6   register char *mid;
   7   register char *midend;
   8   register char *bigend;
   9   long unsigned int curlen;
  10   if (offset + len > curlen) {
  11     while (midend > mid)
  12       *--bigend = *--midend;
  13   }
  14 }