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/* We used to ICE on this testcase: the address of bad_spill_regs is

   only taken in a phi node, which we missed and cleared its TREE_ADDRESSABLE

   flag.  This gets revealed when the loop is completely unrolled, thus

   exposing the addresses as ordinary statements.  */

/* { dg-do compile } */

/* { dg-options "-O1" } */

typedef unsigned HARD_REG_SET[2];

static HARD_REG_SET bad_spill_regs;

void

order_regs_for_reload ()

{

  register int i;

  register unsigned *scan_tp_ = bad_spill_regs;

  for (i = 0; i < 2; i++)

    *scan_tp_++ = 0;

  bad_spill_regs[0] |= 1;

}