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* [Bug tree-optimization/46149] New: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra
@ 2010-10-23 14:54 zsojka at seznam dot cz
2010-10-23 14:57 ` [Bug tree-optimization/46149] " zsojka at seznam dot cz
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2010-10-23 14:54 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46149
Summary: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs
with -O2 -fno-tree-sra
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 22133
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22133
packed preprocessed source
Output:
$ g++ -O2 -fno-tree-sra 27867.ii -std=c++0x
$ ./a.out
Segmentation fault
Tested revisions:
r165822 - fail
r163636 - fail
r161659 - fail
r159696 - OK
4.5 r165781 - OK
^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug tree-optimization/46149] [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra 2010-10-23 14:54 [Bug tree-optimization/46149] New: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra zsojka at seznam dot cz @ 2010-10-23 14:57 ` zsojka at seznam dot cz 2010-10-23 17:20 ` hjl.tools at gmail dot com ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: zsojka at seznam dot cz @ 2010-10-23 14:57 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46149 --- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> 2010-10-23 14:57:10 UTC --- Created attachment 22134 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22134 hopefully reduced testcase OK with -O0: $ g++ -O0 pr46149.C $ ./a.out && echo $? 0 (no valgrind errors) OK with -O2: $ g++ -O2 pr46149.C $ ./a.out && echo $? 0 (no valgrind errors) crashes with -O2 -fno-tree-sra: $ g++ -O2 -fno-tree-sra pr46149.C $ ./a.out Segmentation fault ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46149] [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra 2010-10-23 14:54 [Bug tree-optimization/46149] New: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra zsojka at seznam dot cz 2010-10-23 14:57 ` [Bug tree-optimization/46149] " zsojka at seznam dot cz @ 2010-10-23 17:20 ` hjl.tools at gmail dot com 2010-10-26 14:14 ` rguenth at gcc dot gnu.org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: hjl.tools at gmail dot com @ 2010-10-23 17:20 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46149 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2010.10.23 17:19:36 CC| |rguenth at gcc dot gnu.org Ever Confirmed|0 |1 --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-23 17:19:36 UTC --- It is caused by revision 161655: http://gcc.gnu.org/ml/gcc-cvs/2010-07/msg00006.html ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46149] [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra 2010-10-23 14:54 [Bug tree-optimization/46149] New: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra zsojka at seznam dot cz 2010-10-23 14:57 ` [Bug tree-optimization/46149] " zsojka at seznam dot cz 2010-10-23 17:20 ` hjl.tools at gmail dot com @ 2010-10-26 14:14 ` rguenth at gcc dot gnu.org 2010-11-02 13:25 ` rguenth at gcc dot gnu.org ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu.org @ 2010-10-26 14:14 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46149 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |rguenth at gcc dot gnu.org |gnu.org | Target Milestone|--- |4.6.0 --- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-10-26 14:14:20 UTC --- Mine. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46149] [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra 2010-10-23 14:54 [Bug tree-optimization/46149] New: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra zsojka at seznam dot cz ` (2 preceding siblings ...) 2010-10-26 14:14 ` rguenth at gcc dot gnu.org @ 2010-11-02 13:25 ` rguenth at gcc dot gnu.org 2010-11-02 17:00 ` rguenth at gcc dot gnu.org 2010-11-02 17:01 ` rguenth at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu.org @ 2010-11-02 13:25 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46149 --- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-02 13:25:12 UTC --- I have a patch. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46149] [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra 2010-10-23 14:54 [Bug tree-optimization/46149] New: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra zsojka at seznam dot cz ` (3 preceding siblings ...) 2010-11-02 13:25 ` rguenth at gcc dot gnu.org @ 2010-11-02 17:00 ` rguenth at gcc dot gnu.org 2010-11-02 17:01 ` rguenth at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu.org @ 2010-11-02 17:00 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46149 --- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-02 17:00:16 UTC --- Author: rguenth Date: Tue Nov 2 17:00:09 2010 New Revision: 166204 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166204 Log: 2010-11-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/46149 * tree-ssa-structalias.c (get_constraint_for_1): Properly handle non-indirect MEM_REF variants. * g++.dg/torture/pr46149.C: New testcase. Added: trunk/gcc/testsuite/g++.dg/torture/pr46149.C Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-structalias.c ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46149] [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra 2010-10-23 14:54 [Bug tree-optimization/46149] New: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra zsojka at seznam dot cz ` (4 preceding siblings ...) 2010-11-02 17:00 ` rguenth at gcc dot gnu.org @ 2010-11-02 17:01 ` rguenth at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu.org @ 2010-11-02 17:01 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46149 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-02 17:01:11 UTC --- Fixed. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2010-11-02 17:01 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-10-23 14:54 [Bug tree-optimization/46149] New: [4.6 Regression] 26_numerics/valarray/27867.cc FAILs with -O2 -fno-tree-sra zsojka at seznam dot cz 2010-10-23 14:57 ` [Bug tree-optimization/46149] " zsojka at seznam dot cz 2010-10-23 17:20 ` hjl.tools at gmail dot com 2010-10-26 14:14 ` rguenth at gcc dot gnu.org 2010-11-02 13:25 ` rguenth at gcc dot gnu.org 2010-11-02 17:00 ` rguenth at gcc dot gnu.org 2010-11-02 17:01 ` rguenth at gcc dot gnu.org
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