public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug debug/47684] New: -fcompare-debug failure with -O3
@ 2011-02-10 18:27 zsojka at seznam dot cz
2011-02-10 19:24 ` [Bug debug/47684] " jakub at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: zsojka at seznam dot cz @ 2011-02-10 18:27 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47684
Summary: -fcompare-debug failure with -O3
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
CC: aoliva@gcc.gnu.org
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 23297
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23297
reduced testcase
Compiler output:
$ gcc -O3 -fcompare-debug testcase.c
gcc: error: testcase.c: -fcompare-debug failure (length)
The generated code is very different with/without debug.
Tested revisions:
r169997 - fail
4.5 r168785 - fail
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/47684] -fcompare-debug failure with -O3
2011-02-10 18:27 [Bug debug/47684] New: -fcompare-debug failure with -O3 zsojka at seznam dot cz
@ 2011-02-10 19:24 ` jakub at gcc dot gnu.org
2011-02-10 19:36 ` jakub at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-10 19:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47684
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
Target Milestone|--- |4.6.0
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-10 19:13:07 UTC ---
No problems until predictive commoning, which makes different choices in
between -g and -g0 compilations.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/47684] -fcompare-debug failure with -O3
2011-02-10 18:27 [Bug debug/47684] New: -fcompare-debug failure with -O3 zsojka at seznam dot cz
2011-02-10 19:24 ` [Bug debug/47684] " jakub at gcc dot gnu.org
@ 2011-02-10 19:36 ` jakub at gcc dot gnu.org
2011-02-11 14:27 ` jakub at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-10 19:36 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47684
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011.02.10 19:31:41
AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org
|gnu.org |
Ever Confirmed|0 |1
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-10 19:31:41 UTC ---
Created attachment 23299
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23299
gcc46-pr47684.patch
Untested fix.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/47684] -fcompare-debug failure with -O3
2011-02-10 18:27 [Bug debug/47684] New: -fcompare-debug failure with -O3 zsojka at seznam dot cz
2011-02-10 19:24 ` [Bug debug/47684] " jakub at gcc dot gnu.org
2011-02-10 19:36 ` jakub at gcc dot gnu.org
@ 2011-02-11 14:27 ` jakub at gcc dot gnu.org
2011-02-11 14:35 ` jakub at gcc dot gnu.org
2011-02-14 12:30 ` jakub at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-11 14:27 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47684
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-11 14:24:30 UTC ---
Author: jakub
Date: Fri Feb 11 14:24:26 2011
New Revision: 170051
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170051
Log:
PR debug/47684
* tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
* gcc.dg/pr47684.c: New test.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/47684] -fcompare-debug failure with -O3
2011-02-10 18:27 [Bug debug/47684] New: -fcompare-debug failure with -O3 zsojka at seznam dot cz
` (2 preceding siblings ...)
2011-02-11 14:27 ` jakub at gcc dot gnu.org
@ 2011-02-11 14:35 ` jakub at gcc dot gnu.org
2011-02-14 12:30 ` jakub at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-11 14:35 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47684
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-11 14:27:39 UTC ---
The actual fix was also http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170050
I've just committed wrong ChangeLog entries and commit message.
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/47684] -fcompare-debug failure with -O3
2011-02-10 18:27 [Bug debug/47684] New: -fcompare-debug failure with -O3 zsojka at seznam dot cz
` (3 preceding siblings ...)
2011-02-11 14:35 ` jakub at gcc dot gnu.org
@ 2011-02-14 12:30 ` jakub at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-14 12:30 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47684
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-14 12:25:35 UTC ---
*** Bug 47415 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2011-02-14 12:26 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-02-10 18:27 [Bug debug/47684] New: -fcompare-debug failure with -O3 zsojka at seznam dot cz
2011-02-10 19:24 ` [Bug debug/47684] " jakub at gcc dot gnu.org
2011-02-10 19:36 ` jakub at gcc dot gnu.org
2011-02-11 14:27 ` jakub at gcc dot gnu.org
2011-02-11 14:35 ` jakub at gcc dot gnu.org
2011-02-14 12:30 ` jakub at gcc dot gnu.org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).