http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
--- Comment #12 from Martin Jambor jamborm at gcc dot gnu.org 2010-10-11
18:45:28 UTC ---
Author: jamborm
Date: Mon Oct 11 18:45:23 2010
New Revision: 165327
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=165327
Log:
2010-10-11 Martin
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
Martin Jambor jamborm at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
--- Comment #6 from Martin Jambor jamborm at gcc dot gnu.org 2010-10-08
12:12:34 UTC ---
The problem seems to be the only folding of OBJ_TYPE_REF we do and
which comes from a (copy) constructor. So I assume this is the same
issue as PR 45934.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
--- Comment #7 from Martin Jambor jamborm at gcc dot gnu.org 2010-10-08
14:40:41 UTC ---
Please disregard the previous comment, I saw what I wanted to see and
not what was actually there. But it is true that avoiding the only
O_T_R folding
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
--- Comment #8 from bredelin at ucla dot edu 2010-10-08 15:58:49 UTC ---
When you say segfault, I presume you mean abort?
When I use the debugger, the problem appears to be in the call to
new Parameters(*P);
On x86_64, the problem occurs as
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
--- Comment #9 from bredelin at ucla dot edu 2010-10-08 16:37:15 UTC ---
On x86_32, the problem occurs somewhat differently. All I did differently is
add -m32.
It seems that on x86_32, the copy constructor
vectorint::vectorint(const vector
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
--- Comment #10 from Martin Jambor jamborm at gcc dot gnu.org 2010-10-08
16:51:19 UTC ---
I think I know what is going on. BINFO_VIRTUALS of the BINFO
describing Probability_Model within Parameters pint to a wring thunk
of the method
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
--- Comment #11 from Martin Jambor jamborm at gcc dot gnu.org 2010-10-08
17:57:11 UTC ---
Created attachment 21998
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=21998
proposed patch
But fortunately BINFOs contain the delta and so we can
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
--- Comment #5 from bredelin at ucla dot edu 2010-10-06 15:46:08 UTC ---
This bug still existed as of Oct 4, 2010.
gcc version 4.6.0 20101004 (experimental) [trunk revision 164952] (Ubuntu
20101004-0ubuntu1)
After this bug is fixed, I'll be
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45699
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Keywords||wrong-code
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Summary|Incorrect copy constructor |[4.6 Regression] Incorrect
|generated with -O
--- Comment #3 from hjl dot tools at gmail dot com 2010-09-17 14:29 ---
It is caused by revision 159362:
http://gcc.gnu.org/ml/gcc-cvs/2010-05/msg00414.html
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hjl dot tools at gmail dot com changed:
What|Removed |Added
--
hjl dot tools at gmail dot com changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last
--- Comment #4 from jamborm at gcc dot gnu dot org 2010-09-17 14:39 ---
I'll have a look at it but please be patient, my bug queue is rather long at
the moment.
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jamborm at gcc dot gnu dot org changed:
What|Removed |Added
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