gcc/testsuite/gcc.c-torture/compile/20030704-1.c

   1 /* PR c/11428.  */
   2
   3 /* fold_single_bit_test() failed to return a tree of the type that the
   4    outer expression was looking for.  Specifically, it returned a tree
   5    whose type corresponded to QImode for !p->m, but the desired result
   6    type was int, which corresponded to SImode.  emit_move_insn() later
   7    tried to copy a reg:QI to reg:SI, causing an ICE.  */
   8
   9 struct s {
  10   int m : 1;
  11 };
  12
  13 int
  14 foo (struct s *p)
  15 {
  16   return !p->m;
  17 }