[Bug rtl-optimization/49891] New: [4.7 regression] ICE in redirect_jump_1

["rearnsha at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49891

           Summary: [4.7 regression] ICE in redirect_jump_1
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: critical
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rearnsha@gcc.gnu.org
                CC: bernds@gcc.gnu.org
            Target: arm-eabi


Created attachment 24860
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24860
testcase

ICE while building newlib with the options -mfloat-abi=hard -O2 

first failing revision: 176881

2011-07-28  Bernd Schmidt  <bernds@codesourcery.com>

        * rtlanal.c (tablejump_p): False for returns.
        * reorg.c (first_active_target_insn): New static function.
        (find_end_label): Set JUMP_LABEL for a new returnjump.
        (optimize_skip, get_jump_flags, rare_destination,
        mostly_true_jump, get_branch_condition,
        steal_delay_list_from_target, own_thread_p,
        fill_simple_delay_slots, follow_jumps, fill_slots_from_thread,
        fill_eager_delay_slots, relax_delay_slots, make_return_insns,
        dbr_schedule): Adjust to handle ret_rtx in JUMP_LABELs.
        * jump.c (delete_related_insns): Likewise.
        ...