[Bug debug/45136] -fcompare-debug failure with -Os -fschedule-insns

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

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45136

--- Comment #13 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2011-02-02 04:31:41 UTC ---
Author: aoliva
Date: Wed Feb  2 04:31:35 2011
New Revision: 169513

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169513
Log:
gcc/ChangeLog:
PR debug/47498
PR debug/47501
PR debug/45136
PR debug/45130
* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
debug insns.
(no_real_insns_p, schedule_block, set_priorities): Drop special
treatment of boundary debug insns.
* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
insns.
* sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
(BOUNDARY_DEBUG_INSN_P): Likewise.
(SCHEDULE_DEBUG_INSN_P): Likewise.
* sched-rgn.c (init_ready_list): Drop special treatment of
boundary debug insns.
* final.c (rest_of_clean_state): Clear notes' BB.
gcc/testsuite/ChangeLog:
PR debug/47498
PR debug/47501
PR debug/45136
PR debug/45130
* debug/pr47498.c: New.
* debug/pr47501.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/debug/pr47498.c
    trunk/gcc/testsuite/gcc.dg/debug/pr47501.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/final.c
    trunk/gcc/haifa-sched.c
    trunk/gcc/sched-deps.c
    trunk/gcc/sched-ebb.c
    trunk/gcc/sched-int.h
    trunk/gcc/sched-rgn.c
    trunk/gcc/testsuite/ChangeLog