gcc/testsuite/gcc.dg/tree-ssa/pr93582-8.c

   1 /* PR tree-optimization/93582 */
   2 /* { dg-do compile { target int32 } } */
   3 /* { dg-options "-O2 -fdump-tree-fre1" } */
   4 /* { dg-final { scan-tree-dump "return 0;" "fre1" { target le } } } */
   5 /* { dg-final { scan-tree-dump "return -8531;" "fre1" { target be } } } */
   6
   7 short
   8 foo (void)
   9 {
  10   union U { char c[32]; short s[16]; int i[8]; } u;
  11   __builtin_memset (u.c + 1, '\0', 5);
  12   u.s[3] = 0xdead;
  13   return u.i[1];
  14 }