[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

Martin Jambor  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #11 from Martin Jambor  ---
Fixed.

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

--- Comment #10 from Martin Jambor  ---
Author: jamborm
Date: Thu May 17 12:23:34 2018
New Revision: 260320

URL: https://gcc.gnu.org/viewcvs?rev=260320=gcc=rev
Log:
Check is_single_const in intersect_with_plats

2018-05-17  Martin Jambor  

Backport from mainline
2018-05-11  Martin Jambor  

PR ipa/85655
* ipa-cp.c (intersect_with_plats): Check that the lattice contains
single const.


Modified:
branches/gcc-7-branch/gcc/ChangeLog
branches/gcc-7-branch/gcc/ipa-cp.c

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

--- Comment #9 from Martin Jambor  ---
Author: jamborm
Date: Thu May 17 12:18:06 2018
New Revision: 260319

URL: https://gcc.gnu.org/viewcvs?rev=260319=gcc=rev
Log:
Check is_single_const in intersect_with_plats

2018-05-17  Martin Jambor  

Backport from mainline
2018-05-11  Martin Jambor  

PR ipa/85655
* ipa-cp.c (intersect_with_plats): Check that the lattice contains
single const.


Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/ipa-cp.c

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

--- Comment #8 from Martin Jambor  ---
The bug is latent on gcc7 and gcc6, I plan to commit the fix there at the end
of this week.

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

--- Comment #7 from Martin Liška  ---
Is it resolved now?

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

--- Comment #6 from Martin Jambor  ---
Author: jamborm
Date: Fri May 11 15:58:29 2018
New Revision: 260166

URL: https://gcc.gnu.org/viewcvs?rev=260166=gcc=rev
Log:
Check is_single_const in intersect_with_plats

2018-05-11  Martin Jambor  

PR ipa/85655
* ipa-cp.c (intersect_with_plats): Check that the lattice contains
single const.

testsuite/
* g++.dg/lto/pr85655_0.C: New test.


Added:
branches/gcc-8-branch/gcc/testsuite/g++.dg/lto/pr85655_0.C
Modified:
branches/gcc-8-branch/gcc/ChangeLog
branches/gcc-8-branch/gcc/ipa-cp.c
branches/gcc-8-branch/gcc/testsuite/ChangeLog

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

--- Comment #5 from Martin Jambor  ---
Author: jamborm
Date: Fri May 11 15:55:15 2018
New Revision: 260165

URL: https://gcc.gnu.org/viewcvs?rev=260165=gcc=rev
Log:
Check is_single_const in intersect_with_plats

2018-05-11  Martin Jambor  

PR ipa/85655
* ipa-cp.c (intersect_with_plats): Check that the lattice contains
single const.

testsuite/
* g++.dg/lto/pr85655_0.C: New test.


Added:
trunk/gcc/testsuite/g++.dg/lto/pr85655_0.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ipa-cp.c
trunk/gcc/testsuite/ChangeLog

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

--- Comment #4 from Martin Jambor  ---
I have posted a proposed fix to the mailing list:

https://gcc.gnu.org/ml/gcc-patches/2018-05/msg00468.html

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

--- Comment #3 from Martin Liška  ---
Started with r259319.

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

Martin Jambor  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
   Assignee|unassigned at gcc dot gnu.org  |jamborm at gcc dot 
gnu.org

--- Comment #2 from Martin Jambor  ---
Mine.

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P2
 Status|UNCONFIRMED |NEW
   Keywords||ice-on-valid-code, lto
   Last reconfirmed||2018-05-08
  Component|c++ |ipa
 CC||jamborm at gcc dot gnu.org,
   ||marxin at gcc dot gnu.org
 Ever confirmed|0   |1
Summary|ICE with -flto and -O2  |[8/9 Regression] ICE with
   |during IPA pass: cp lto1:   |-flto and -O2 during IPA
   |internal compiler error:|pass: cp lto1: internal
   |Segmentation fault  |compiler error:
   ||Segmentation fault
   Target Milestone|--- |8.2

--- Comment #1 from Richard Biener  ---
Confirmed.