[Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c

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* [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
@ 2011-01-28  9:44 ramana at gcc dot gnu.org
  2011-01-28 11:09 ` [Bug debug/47508] " rguenth at gcc dot gnu.org
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: ramana at gcc dot gnu.org @ 2011-01-28  9:44 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

           Summary: [4.6 Regression] -fcompare-debug failure with -ftracer
                    for pr42918.c
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ramana@gcc.gnu.org
            Target: arm-eabi


Since last night I'm seeing this failure with -ftracer and -fcompare-debug on
arm-eabi 

/arm/scratch/pdtltest/work/sandboxes/fsf/trunk/2011-01-26/build-a9softfpneon/gcc2/gcc/xgcc
-B/arm/scratch/pdtltest/work/sandboxes/fsf/trunk/2011-01-26/build-a9softfpneon/gcc2/gcc/
/arm/scratch/pdtltest/work/sandboxes/fsf/trunk/source/gcc-fsf/gcc/testsuite/gcc.dg/pr42918.c
-O2 -fcompare-debug -ftracer -DSTACK_SIZE=16384 -S -o pr42918.s (timeout = 800)
xgcc: error:
/arm/scratch/pdtltest/work/sandboxes/fsf/trunk/source/gcc-fsf/gcc/testsuite/gcc.dg/pr42918.c:
-fcompare-debug failure
compiler exited with status 1
output is:
xgcc: error:
/arm/scratch/pdtltest/work/sandboxes/fsf/trunk/source/gcc-fsf/gcc/testsuite/gcc.dg/pr42918.c:
-fcompare-debug failure

The difference in the .gkd files is : 
 -> 5)                                                           -> 5)
(note# 0 0 ("lab") NOTE_INSN_DELETED_LABEL 3)                 <
(code_label 1 0 0 1 "" [1 uses])                                (code_label 1 0
0 1 "" [1 uses])
(note# 0 0 [bb 4] NOTE_INSN_BASIC_BLOCK)                        (note# 0 0 [bb
4] NOTE_INSN_BASIC_BLOCK)
(insn# 0 0 (use (reg/i:SI 0 r0)) /arm/scratch/pdtltest/work/s   (insn# 0 0 (use
(reg/i:SI 0 r0)) /arm/scratch/pdtltest/work/s
     (nil))                                                          (nil))
(note# 0 0 NOTE_INSN_EPILOGUE_BEG)                              (note# 0 0
NOTE_INSN_EPILOGUE_BEG)
(jump_insn:TI# 0 0 (unspec_volatile [                           (jump_insn:TI#
0 0 (unspec_volatile [
            (return)                                                       
(return)
        ] 1) /arm/scratch/pdtltest/work/sandboxes/fsf/trunk/s           ] 1)
/arm/scratch/pdtltest/work/sandboxes/fsf/trunk/s
     (nil))                                                          (nil))
(barrier 0 0 0)                                                 (barrier 0 0 0)
(code_label 5 0 0 5 "" [2 uses])                                (code_label 5 0
0 5 "" [2 uses])
(note# 0 0 [bb 5] NOTE_INSN_BASIC_BLOCK)                        (note# 0 0 [bb
5] NOTE_INSN_BASIC_BLOCK)
                                                              > (note# 0 0
("lab") NOTE_INSN_DELETED_LABEL 3)


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug debug/47508] [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
  2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
@ 2011-01-28 11:09 ` rguenth at gcc dot gnu.org
  2011-01-28 15:00 ` ro at gcc dot gnu.org
                   ` (6 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-01-28 11:09 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.6.0


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug debug/47508] [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
  2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
  2011-01-28 11:09 ` [Bug debug/47508] " rguenth at gcc dot gnu.org
@ 2011-01-28 15:00 ` ro at gcc dot gnu.org
  2011-01-28 15:10 ` jakub at gcc dot gnu.org
                   ` (5 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: ro at gcc dot gnu.org @ 2011-01-28 15:00 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

Rainer Orth <ro at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|arm-eabi                    |arm-eabi,
                   |                            |sparc-sun-solaris2.11
                 CC|                            |ro at gcc dot gnu.org

--- Comment #1 from Rainer Orth <ro at gcc dot gnu.org> 2011-01-28 14:45:45 UTC ---
Between 20110121 and 20110127, the test also started to FAIL on Solaris
11/SPARC
(both 32 and 64-bit):

FAIL: gcc.dg/pr42918.c (test for excess errors)
Excess errors:
xgcc: error: /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/pr42918.c:
-fcompare-debug failure


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug debug/47508] [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
  2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
  2011-01-28 11:09 ` [Bug debug/47508] " rguenth at gcc dot gnu.org
  2011-01-28 15:00 ` ro at gcc dot gnu.org
@ 2011-01-28 15:10 ` jakub at gcc dot gnu.org
  2011-01-30 17:35 ` danglin at gcc dot gnu.org
                   ` (4 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-01-28 15:10 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aoliva at gcc dot gnu.org,
                   |                            |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-28 14:57:10 UTC ---
Likely the same problem as PR47498 and PR47501.


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug debug/47508] [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
  2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
                   ` (2 preceding siblings ...)
  2011-01-28 15:10 ` jakub at gcc dot gnu.org
@ 2011-01-30 17:35 ` danglin at gcc dot gnu.org
  2011-01-31 10:51 ` jakub at gcc dot gnu.org
                   ` (3 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: danglin at gcc dot gnu.org @ 2011-01-30 17:35 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

John David Anglin <danglin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|arm-eabi,                   |arm-eabi,
                   |sparc-sun-solaris2.11       |sparc-sun-solaris2.11,
                   |                            |hppa64-hp-hpux11.11
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.01.30 16:00:51
                 CC|                            |danglin at gcc dot gnu.org
     Ever Confirmed|0                           |1


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug debug/47508] [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
  2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
                   ` (3 preceding siblings ...)
  2011-01-30 17:35 ` danglin at gcc dot gnu.org
@ 2011-01-31 10:51 ` jakub at gcc dot gnu.org
  2011-02-02 10:05 ` jakub at gcc dot gnu.org
                   ` (2 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-01-31 10:51 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-31 10:40:20 UTC ---
Alex (temporarily) reverted the patch on the trunk, can you verify this is gone
again?


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug debug/47508] [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
  2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
                   ` (4 preceding siblings ...)
  2011-01-31 10:51 ` jakub at gcc dot gnu.org
@ 2011-02-02 10:05 ` jakub at gcc dot gnu.org
  2011-02-03 10:13 ` ro at CeBiTec dot Uni-Bielefeld.DE
  2011-02-03 10:17 ` jakub at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-02 10:05 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-02 10:05:24 UTC ---
And now a new version of that patch has been checked in.  Can you verify if
this bug still exists with current trunk (r169513 or newer)?


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug debug/47508] [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
  2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
                   ` (5 preceding siblings ...)
  2011-02-02 10:05 ` jakub at gcc dot gnu.org
@ 2011-02-03 10:13 ` ro at CeBiTec dot Uni-Bielefeld.DE
  2011-02-03 10:17 ` jakub at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: ro at CeBiTec dot Uni-Bielefeld.DE @ 2011-02-03 10:13 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

--- Comment #5 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2011-02-03 10:13:18 UTC ---
> --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-02 10:05:24 UTC ---
> And now a new version of that patch has been checked in.  Can you verify if
> this bug still exists with current trunk (r169513 or newer)?

A sparc-sun-solaris2.10 bootstrap as of rev 169517 just completed
without regressions and both FAILs are gone.  Same for mips-sgi-irix6.5.

Thanks.
    Rainer


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug debug/47508] [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c
  2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
                   ` (6 preceding siblings ...)
  2011-02-03 10:13 ` ro at CeBiTec dot Uni-Bielefeld.DE
@ 2011-02-03 10:17 ` jakub at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-03 10:17 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-03 10:16:58 UTC ---
And arm is fixed too at r169520:
http://gcc.gnu.org/ml/gcc-testresults/2011-02/msg00297.html (earlier
gcc-testresults posts from the same reporter and the same targets showed the
problem: http://gcc.gnu.org/ml/gcc-testresults/2011-01/msg02674.html ).


^ permalink raw reply	[flat|nested] 9+ messages in thread

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2011-01-28  9:44 [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c ramana at gcc dot gnu.org
2011-01-28 11:09 ` [Bug debug/47508] " rguenth at gcc dot gnu.org
2011-01-28 15:00 ` ro at gcc dot gnu.org
2011-01-28 15:10 ` jakub at gcc dot gnu.org
2011-01-30 17:35 ` danglin at gcc dot gnu.org
2011-01-31 10:51 ` jakub at gcc dot gnu.org
2011-02-02 10:05 ` jakub at gcc dot gnu.org
2011-02-03 10:13 ` ro at CeBiTec dot Uni-Bielefeld.DE
2011-02-03 10:17 ` jakub at gcc dot gnu.org

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