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* [Bug debug/47794] New: [4.6 Regression] New debug failures
@ 2011-02-18 2:25 hjl.tools at gmail dot com
2011-02-18 2:56 ` [Bug debug/47794] " joseph at codesourcery dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: hjl.tools at gmail dot com @ 2011-02-18 2:25 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47794
Summary: [4.6 Regression] New debug failures
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: hjl.tools@gmail.com
CC: jsm28@gcc.gnu.org
On Linux/ia32, revision 170259:
http://gcc.gnu.org/ml/gcc-cvs/2011-02/msg00804.html
caused:
FAIL: gcc.dg/guality/vla-1.c -O0 line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -O0 line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -O0 line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O0 line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O1 line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O1 line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O2 line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O2 line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O3 -fomit-frame-pointer line 24 sizeof (a) ==
17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O3 -fomit-frame-pointer line 24 sizeof (a) ==
17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O3 -g line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O3 -g line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -Os line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -Os line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-2.c -O0 line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O0 line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O0 line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O0 line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O1 line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O1 line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O1 line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O1 line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O2 line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O2 line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O2 line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O2 line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O3 -fomit-frame-pointer line 16 sizeof (a) == 5
* sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O3 -fomit-frame-pointer line 16 sizeof (a) == 5
* sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O3 -fomit-frame-pointer line 25 sizeof (a) == 6
* sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O3 -fomit-frame-pointer line 25 sizeof (a) == 6
* sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O3 -g line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O3 -g line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O3 -g line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O3 -g line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -Os line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -Os line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -Os line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -Os line 25 sizeof (a) == 6 * sizeof (int)
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/47794] [4.6 Regression] New debug failures
2011-02-18 2:25 [Bug debug/47794] New: [4.6 Regression] New debug failures hjl.tools at gmail dot com
@ 2011-02-18 2:56 ` joseph at codesourcery dot com
2011-02-18 8:49 ` jakub at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: joseph at codesourcery dot com @ 2011-02-18 2:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47794
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2011-02-18 02:24:58 UTC ---
This commit should not affect anything not using -Ofast, and I get
identical before/after code with -m32 when I tested vla-1.c. Could you
give example source and cc1 options that generate different code
before/after for you (and provide the resulting before/after .s files)?
Otherwise I suspect some nondeterminism in GDB.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/47794] [4.6 Regression] New debug failures
2011-02-18 2:25 [Bug debug/47794] New: [4.6 Regression] New debug failures hjl.tools at gmail dot com
2011-02-18 2:56 ` [Bug debug/47794] " joseph at codesourcery dot com
@ 2011-02-18 8:49 ` jakub at gcc dot gnu.org
2011-02-18 17:43 ` hjl.tools at gmail dot com
2011-02-23 10:30 ` jakub at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-18 8:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47794
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |jakub at gcc dot gnu.org
Resolution| |WORKSFORME
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-18 07:55:13 UTC ---
Can't reproduce, on both Fedora 13 and Fedora 14, the only vla* failures I get
before and after this commit are:
FAIL: gcc.dg/guality/vla-1.c -O1 line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -O2 line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -O3 -fomit-frame-pointer line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -O3 -g line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -Os line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -O2 -flto -flto-partition=none line 17 sizeof
(a) == 6
FAIL: gcc.dg/guality/vla-1.c -O2 -flto -flto-partition=none line 24 sizeof
(a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c -O2 -flto line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -O2 -flto line 24 sizeof (a) == 17 * sizeof
(short)
FAIL: gcc.dg/guality/vla-2.c -O2 -flto -flto-partition=none line 16 sizeof
(a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O2 -flto -flto-partition=none line 25 sizeof
(a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O2 -flto line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c -O2 -flto line 25 sizeof (a) == 6 * sizeof (int)
for -m64 and none for -m32.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/47794] [4.6 Regression] New debug failures
2011-02-18 2:25 [Bug debug/47794] New: [4.6 Regression] New debug failures hjl.tools at gmail dot com
2011-02-18 2:56 ` [Bug debug/47794] " joseph at codesourcery dot com
2011-02-18 8:49 ` jakub at gcc dot gnu.org
@ 2011-02-18 17:43 ` hjl.tools at gmail dot com
2011-02-23 10:30 ` jakub at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: hjl.tools at gmail dot com @ 2011-02-18 17:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47794
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|WORKSFORME |
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-02-18 17:38:15 UTC ---
It is a GDB issue. I installed GDB trunk by accident.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/47794] [4.6 Regression] New debug failures
2011-02-18 2:25 [Bug debug/47794] New: [4.6 Regression] New debug failures hjl.tools at gmail dot com
` (2 preceding siblings ...)
2011-02-18 17:43 ` hjl.tools at gmail dot com
@ 2011-02-23 10:30 ` jakub at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-23 10:30 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47794
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-23 09:25:52 UTC ---
Not a gcc bug then...
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2011-02-23 9:26 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-02-18 2:25 [Bug debug/47794] New: [4.6 Regression] New debug failures hjl.tools at gmail dot com
2011-02-18 2:56 ` [Bug debug/47794] " joseph at codesourcery dot com
2011-02-18 8:49 ` jakub at gcc dot gnu.org
2011-02-18 17:43 ` hjl.tools at gmail dot com
2011-02-23 10:30 ` jakub at gcc dot gnu.org
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