gcc/testsuite/gcc.dg/pr84321.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fwrapv" } */
   3
   4 int c;
   5
   6 void
   7 foo (int *a, int b)
   8 {
   9   int e;
  10   if (b == 1)
  11     return;
  12   for (e = 0; e < (b & ~7); e += 8)
  13     ;
  14   for (++e; e < b;)
  15     c = a[e];
  16 }