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* [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
@ 2014-05-06 19:48 zsojka at seznam dot cz
2014-05-07 8:31 ` [Bug ipa/61085] " rguenth at gcc dot gnu.org
` (9 more replies)
0 siblings, 10 replies; 11+ messages in thread
From: zsojka at seznam dot cz @ 2014-05-06 19:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
Bug ID: 61085
Summary: [4.9/4.10 Regression] wrong code with -O2
-fno-early-inlining (maybe wrong devirtualization)
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Created attachment 32748
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32748&action=edit
reduced testcase
Output:
$ g++ -O2 -fno-early-inlining testcase.C
$ ./a.out
Aborted
$ g++ -O2 -fno-early-inlining testcase.C -fno-devirtualize
$ ./a.out
(no output)
Tested revisions:
r210047 - fail
4.9 r209651 - fail
4.8 r209342 - OK
4.7 r209345 - OK
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
@ 2014-05-07 8:31 ` rguenth at gcc dot gnu.org
2014-05-12 9:12 ` jakub at gcc dot gnu.org
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-07 8:31 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-05-07
CC| |hubicka at gcc dot gnu.org
Target Milestone|--- |4.9.1
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
2014-05-07 8:31 ` [Bug ipa/61085] " rguenth at gcc dot gnu.org
@ 2014-05-12 9:12 ` jakub at gcc dot gnu.org
2014-05-14 16:34 ` jamborm at gcc dot gnu.org
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2014-05-12 9:12 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org,
| |jamborm at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r202036.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
2014-05-07 8:31 ` [Bug ipa/61085] " rguenth at gcc dot gnu.org
2014-05-12 9:12 ` jakub at gcc dot gnu.org
@ 2014-05-14 16:34 ` jamborm at gcc dot gnu.org
2014-05-15 14:46 ` jamborm at gcc dot gnu.org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-05-14 16:34 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
Martin Jambor <jamborm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |jamborm at gcc dot gnu.org
--- Comment #3 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Mine
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
` (2 preceding siblings ...)
2014-05-14 16:34 ` jamborm at gcc dot gnu.org
@ 2014-05-15 14:46 ` jamborm at gcc dot gnu.org
2014-05-15 15:04 ` jamborm at gcc dot gnu.org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-05-15 14:46 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
Martin Jambor <jamborm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> ---
I have proposed a fix on the mailing list:
https://gcc.gnu.org/ml/gcc-patches/2014-05/msg01199.html
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
` (3 preceding siblings ...)
2014-05-15 14:46 ` jamborm at gcc dot gnu.org
@ 2014-05-15 15:04 ` jamborm at gcc dot gnu.org
2014-05-15 15:11 ` jamborm at gcc dot gnu.org
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-05-15 15:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
--- Comment #5 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Thu May 15 15:04:18 2014
New Revision: 210477
URL: http://gcc.gnu.org/viewcvs?rev=210477&root=gcc&view=rev
Log:
2014-05-15 Martin Jambor <mjambor@suse.cz>
PR ipa/61085
* ipa-prop.c (update_indirect_edges_after_inlining): Check
type_preserved flag when the indirect edge is polymorphic.
testsuite/
* g++.dg/ipa/pr61085.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/ipa/pr61085.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ipa-prop.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
` (4 preceding siblings ...)
2014-05-15 15:04 ` jamborm at gcc dot gnu.org
@ 2014-05-15 15:11 ` jamborm at gcc dot gnu.org
2014-05-15 15:18 ` jamborm at gcc dot gnu.org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-05-15 15:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
--- Comment #6 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Thu May 15 15:10:58 2014
New Revision: 210478
URL: http://gcc.gnu.org/viewcvs?rev=210478&root=gcc&view=rev
Log:
2014-05-15 Martin Jambor <mjambor@suse.cz>
PR ipa/61085
* ipa-prop.c (update_indirect_edges_after_inlining): Check
type_preserved flag when the indirect edge is polymorphic.
testsuite/
* g++.dg/ipa/pr61085.C: New test.
Added:
branches/gcc-4_9-branch/gcc/testsuite/g++.dg/ipa/pr61085.C
Modified:
branches/gcc-4_9-branch/gcc/ChangeLog
branches/gcc-4_9-branch/gcc/ipa-prop.c
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
` (5 preceding siblings ...)
2014-05-15 15:11 ` jamborm at gcc dot gnu.org
@ 2014-05-15 15:18 ` jamborm at gcc dot gnu.org
2014-07-16 19:23 ` zsojka at seznam dot cz
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-05-15 15:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
Martin Jambor <jamborm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #7 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
` (6 preceding siblings ...)
2014-05-15 15:18 ` jamborm at gcc dot gnu.org
@ 2014-07-16 19:23 ` zsojka at seznam dot cz
2014-07-17 8:08 ` rguenth at gcc dot gnu.org
2014-07-23 6:24 ` zsojka at seznam dot cz
9 siblings, 0 replies; 11+ messages in thread
From: zsojka at seznam dot cz @ 2014-07-16 19:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
--- Comment #8 from Zdenek Sojka <zsojka at seznam dot cz> ---
The testcase fails at -Os @ r212580:
$ g++ -Os pr61085.ii
$ ./a.out
Aborted
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
` (7 preceding siblings ...)
2014-07-16 19:23 ` zsojka at seznam dot cz
@ 2014-07-17 8:08 ` rguenth at gcc dot gnu.org
2014-07-23 6:24 ` zsojka at seznam dot cz
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-07-17 8:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Can you open a new bug for that?
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61085] [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization)
2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
` (8 preceding siblings ...)
2014-07-17 8:08 ` rguenth at gcc dot gnu.org
@ 2014-07-23 6:24 ` zsojka at seznam dot cz
9 siblings, 0 replies; 11+ messages in thread
From: zsojka at seznam dot cz @ 2014-07-23 6:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61085
--- Comment #10 from Zdenek Sojka <zsojka at seznam dot cz> ---
(In reply to Richard Biener from comment #9)
> Can you open a new bug for that?
Opened PR61884 for that.
^ permalink raw reply [flat|nested] 11+ messages in thread
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2014-05-06 19:48 [Bug ipa/61085] New: [4.9/4.10 Regression] wrong code with -O2 -fno-early-inlining (maybe wrong devirtualization) zsojka at seznam dot cz
2014-05-07 8:31 ` [Bug ipa/61085] " rguenth at gcc dot gnu.org
2014-05-12 9:12 ` jakub at gcc dot gnu.org
2014-05-14 16:34 ` jamborm at gcc dot gnu.org
2014-05-15 14:46 ` jamborm at gcc dot gnu.org
2014-05-15 15:04 ` jamborm at gcc dot gnu.org
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