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* [Bug c++/59736] New: ice with -O3 in cgraph_edge_brings_value_p
@ 2014-01-09 11:36 dcb314 at hotmail dot com
  2014-01-09 11:41 ` [Bug c++/59736] [4.9 Regression] " rguenth at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: dcb314 at hotmail dot com @ 2014-01-09 11:36 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59736

            Bug ID: 59736
           Summary: ice with -O3 in cgraph_edge_brings_value_p
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com

Created attachment 31782
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31782&action=edit
gzipped C++ source code

I just compiled the attached code with gcc trunk 20140108
on a x86_64 box and it said

[dcb@zippy4 foundBugs]$ ../results/bin/g++ -c -O3 bug127.cc
ngramcount.cc:198:1: internal compiler error: Segmentation fault
0xc6eccf crash_signal
    ../../src/trunk/gcc/toplev.c:337
0x11c3cb5 cgraph_edge_brings_value_p
    ../../src/trunk/gcc/ipa-cp.c:2371
0x11c3cb5 get_info_about_necessary_edges
    ../../src/trunk/gcc/ipa-cp.c:2439
0x11cb06b decide_about_value
    ../../src/trunk/gcc/ipa-cp.c:3330
0x11cb06b decide_whether_version_node
    ../../src/trunk/gcc/ipa-cp.c:3411
0x11cb06b ipcp_decision_stage
    ../../src/trunk/gcc/ipa-cp.c:3556
0x11cb06b ipcp_driver
    ../../src/trunk/gcc/ipa-cp.c:3598
0x11cb06b execute
    ../../src/trunk/gcc/ipa-cp.c:3694
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Flag -O3 required.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug c++/59736] [4.9 Regression] ice with -O3 in cgraph_edge_brings_value_p
  2014-01-09 11:36 [Bug c++/59736] New: ice with -O3 in cgraph_edge_brings_value_p dcb314 at hotmail dot com
@ 2014-01-09 11:41 ` rguenth at gcc dot gnu.org
  2014-01-09 12:54 ` jamborm at gcc dot gnu.org
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-01-09 11:41 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59736

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jamborm at gcc dot gnu.org
      Known to work|                            |4.8.2
   Target Milestone|---                         |4.9.0
            Summary|ice with -O3 in             |[4.9 Regression] ice with
                   |cgraph_edge_brings_value_p  |-O3 in
                   |                            |cgraph_edge_brings_value_p


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug c++/59736] [4.9 Regression] ice with -O3 in cgraph_edge_brings_value_p
  2014-01-09 11:36 [Bug c++/59736] New: ice with -O3 in cgraph_edge_brings_value_p dcb314 at hotmail dot com
  2014-01-09 11:41 ` [Bug c++/59736] [4.9 Regression] " rguenth at gcc dot gnu.org
@ 2014-01-09 12:54 ` jamborm at gcc dot gnu.org
  2014-01-17 17:21 ` [Bug ipa/59736] " jamborm at gcc dot gnu.org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-01-09 12:54 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59736

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2014-01-09
           Assignee|unassigned at gcc dot gnu.org      |jamborm at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Confirmed, mine.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug ipa/59736] [4.9 Regression] ice with -O3 in cgraph_edge_brings_value_p
  2014-01-09 11:36 [Bug c++/59736] New: ice with -O3 in cgraph_edge_brings_value_p dcb314 at hotmail dot com
  2014-01-09 11:41 ` [Bug c++/59736] [4.9 Regression] " rguenth at gcc dot gnu.org
  2014-01-09 12:54 ` jamborm at gcc dot gnu.org
@ 2014-01-17 17:21 ` jamborm at gcc dot gnu.org
  2014-01-17 19:06 ` jamborm at gcc dot gnu.org
  2014-01-17 19:07 ` jamborm at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-01-17 17:21 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59736

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                URL|                            |http://gcc.gnu.org/ml/gcc-p
                   |                            |atches/2014-01/msg01123.htm
                   |                            |l

--- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> ---
I have sent a proposed fix to the mailing list:

http://gcc.gnu.org/ml/gcc-patches/2014-01/msg01123.html


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug ipa/59736] [4.9 Regression] ice with -O3 in cgraph_edge_brings_value_p
  2014-01-09 11:36 [Bug c++/59736] New: ice with -O3 in cgraph_edge_brings_value_p dcb314 at hotmail dot com
                   ` (2 preceding siblings ...)
  2014-01-17 17:21 ` [Bug ipa/59736] " jamborm at gcc dot gnu.org
@ 2014-01-17 19:06 ` jamborm at gcc dot gnu.org
  2014-01-17 19:07 ` jamborm at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-01-17 19:06 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59736

--- Comment #3 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Fri Jan 17 19:05:52 2014
New Revision: 206729

URL: http://gcc.gnu.org/viewcvs?rev=206729&root=gcc&view=rev
Log:
2014-01-17  Martin Jambor  <mjambor@suse.cz>

    PR ipa/59736
    * ipa-cp.c (prev_edge_clone): New variable.
    (grow_next_edge_clone_vector): Renamed to grow_edge_clone_vectors.
    Also resize prev_edge_clone vector.
    (ipcp_edge_duplication_hook): Also update prev_edge_clone.
    (ipcp_edge_removal_hook): New function.
    (ipcp_driver): Register ipcp_edge_removal_hook.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-cp.c


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug ipa/59736] [4.9 Regression] ice with -O3 in cgraph_edge_brings_value_p
  2014-01-09 11:36 [Bug c++/59736] New: ice with -O3 in cgraph_edge_brings_value_p dcb314 at hotmail dot com
                   ` (3 preceding siblings ...)
  2014-01-17 19:06 ` jamborm at gcc dot gnu.org
@ 2014-01-17 19:07 ` jamborm at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-01-17 19:07 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59736

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Fixed.


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2014-01-17 19:07 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-01-09 11:36 [Bug c++/59736] New: ice with -O3 in cgraph_edge_brings_value_p dcb314 at hotmail dot com
2014-01-09 11:41 ` [Bug c++/59736] [4.9 Regression] " rguenth at gcc dot gnu.org
2014-01-09 12:54 ` jamborm at gcc dot gnu.org
2014-01-17 17:21 ` [Bug ipa/59736] " jamborm at gcc dot gnu.org
2014-01-17 19:06 ` jamborm at gcc dot gnu.org
2014-01-17 19:07 ` jamborm at gcc dot gnu.org

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