public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
@ 2005-09-17 19:43 marcus at jet dot franken dot de
2005-09-17 19:44 ` [Bug c/23929] " marcus at jet dot franken dot de
` (14 more replies)
0 siblings, 15 replies; 17+ messages in thread
From: marcus at jet dot franken dot de @ 2005-09-17 19:43 UTC (permalink / raw)
To: gcc-bugs
following testcase (extracted from libgphoto2) segfaults
the compiler on amd64.
/home/marcus/projects/gcc/BIN/bin/gcc -O2 -c library.i
library.i: In function 'f':
library.i:1: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
--
Summary: segfault in expand_simple_operations, tree-ssa-loop-
niter.c:637
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: marcus at jet dot franken dot de
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug c/23929] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
@ 2005-09-17 19:44 ` marcus at jet dot franken dot de
2005-09-17 19:45 ` [Bug tree-optimization/23929] " pinskia at gcc dot gnu dot org
` (13 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: marcus at jet dot franken dot de @ 2005-09-17 19:44 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From marcus at jet dot franken dot de 2005-09-17 19:43 -------
Created an attachment (id=9749)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9749&action=view)
library.i
gcc -O2 -c library.i
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
2005-09-17 19:44 ` [Bug c/23929] " marcus at jet dot franken dot de
@ 2005-09-17 19:45 ` pinskia at gcc dot gnu dot org
2005-09-17 19:53 ` [Bug tree-optimization/23929] [4.1 Regression] " pinskia at gcc dot gnu dot org
` (12 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-09-17 19:45 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Component|c |tree-optimization
Keywords| |ice-on-valid-code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
2005-09-17 19:44 ` [Bug c/23929] " marcus at jet dot franken dot de
2005-09-17 19:45 ` [Bug tree-optimization/23929] " pinskia at gcc dot gnu dot org
@ 2005-09-17 19:53 ` pinskia at gcc dot gnu dot org
2005-09-17 22:47 ` pinskia at gcc dot gnu dot org
` (11 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-09-17 19:53 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-17 19:53 -------
Confirmed, a regression from 4.0.0.
backtrace:
#0 expand_simple_operations (expr=0x0) at /home/pinskia/src/onetest/gcc/gcc/tree-ssa-loop-
niter.c:637
#1 0x00000000004cee15 in expand_simple_operations (expr=0x2a95c2ee70) at /home/pinskia/src/
onetest/gcc/gcc/tree-ssa-loop-niter.c:648
#2 0x00000000004cee15 in expand_simple_operations (expr=0x2a95c37080) at /home/pinskia/src/
onetest/gcc/gcc/tree-ssa-loop-niter.c:648
#3 0x00000000004cee15 in expand_simple_operations (expr=0x2a95c37280) at /home/pinskia/src/
onetest/gcc/gcc/tree-ssa-loop-niter.c:648
#4 0x00000000004cee15 in expand_simple_operations (expr=0x2a95c2f870) at /home/pinskia/src/
onetest/gcc/gcc/tree-ssa-loop-niter.c:648
#5 0x00000000004cee15 in expand_simple_operations (expr=0x2a95c2f8c0) at /home/pinskia/src/
onetest/gcc/gcc/tree-ssa-loop-niter.c:648
#6 0x00000000004cf52c in tree_simplify_using_condition_1 (cond=0x2a95a664b0,
expr=0x2a95c2f8c0) at /home/pinskia/src/onetest/gcc/gcc/tree-ssa-loop-niter.c:777
#7 0x00000000004cfa8e in simplify_using_initial_conditions (loop=Variable "loop" is not available.
) at /home/pinskia/src/onetest/gcc/gcc/tree-ssa-loop-niter.c:805
#8 0x00000000004cff1f in number_of_iterations_exit (loop=0xbcd540, exit=Variable "exit" is not
available.
) at /home/pinskia/src/onetest/gcc/gcc/tree-ssa-loop-niter.c:990
#9 0x00000000007e6a2a in number_of_iterations_in_loop (loop=0xbcd540) at /home/pinskia/src/
onetest/gcc/gcc/tree-scalar-evolution.c:2284
#10 0x00000000007e7f76 in compute_overall_effect_of_inner_loop (loop=0xbcd540,
evolution_fn=0x2a95c2f6e0) at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:471
#11 0x00000000007eb704 in follow_ssa_edge (loop=0xbcd450, def=0x2a95c28000,
halting_phi=0x2a95c28100, evolution_of_loop=0x7fbffff2c0)
at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:1389
#12 0x00000000007ebf87 in follow_ssa_edge_in_rhs (loop=0xbcd450, at_stmt=0x2a95a66af0,
rhs=0x2a95c27370, halting_phi=Variable "halting_phi" is not available.
) at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:1110
#13 0x00000000007eb504 in follow_ssa_edge (loop=0xbcd450, def=0x2a95a66af0,
halting_phi=0x2a95c28100, evolution_of_loop=0x7fbffff2c0)
at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:1442
#14 0x00000000007eb589 in follow_ssa_edge (loop=0xbcd450, def=0x2a95c24b00,
halting_phi=0x2a95c28100, evolution_of_loop=0x7fbffff330)
at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:1293
#15 0x00000000007eb607 in follow_ssa_edge (loop=0xbcd450, def=0x2a95c24300,
halting_phi=0x2a95c28100, evolution_of_loop=0x7fbffff390)
at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:1293
#16 0x00000000007e8770 in analyze_scalar_evolution_1 (loop=0xbcd450, var=0x2a95c25d20,
res=0x0) at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:1494
#17 0x00000000007e8ae7 in analyze_scalar_evolution (loop=0xbcd450, var=0x0) at /home/pinskia/
src/onetest/gcc/gcc/tree-scalar-evolution.c:1856
#18 0x00000000007ea405 in analyze_scalar_evolution_in_loop (wrto_loop=0xbcd450,
use_loop=0xbcd450, version=Variable "version" is not available.
) at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:1880
#19 0x00000000007eace7 in simple_iv (loop=0xbcd450, stmt=0x2a95c28100, op=0x2a95c25d20,
base=0x7fbffff468, step=0x7fbffff470, allow_nonconstant_step=1 '\001')
at /home/pinskia/src/onetest/gcc/gcc/tree-scalar-evolution.c:2597
#20 0x00000000004f1b9e in find_induction_variables (data=0x7fbffff500) at /home/pinskia/src/
onetest/gcc/gcc/tree-ssa-loop-ivopts.c:889
#21 0x00000000004f5755 in tree_ssa_iv_optimize (loops=0xbda050) at /home/pinskia/src/onetest/
gcc/gcc/tree-ssa-loop-ivopts.c:5933
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Known to fail| |4.1.0
Known to work| |4.0.0
Last reconfirmed|0000-00-00 00:00:00 |2005-09-17 19:53:05
date| |
Summary|segfault in |[4.1 Regression] segfault in
|expand_simple_operations, |expand_simple_operations,
|tree-ssa-loop-niter.c:637 |tree-ssa-loop-niter.c:637
Target Milestone|--- |4.1.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (2 preceding siblings ...)
2005-09-17 19:53 ` [Bug tree-optimization/23929] [4.1 Regression] " pinskia at gcc dot gnu dot org
@ 2005-09-17 22:47 ` pinskia at gcc dot gnu dot org
2005-09-17 22:48 ` pinskia at gcc dot gnu dot org
` (10 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-09-17 22:47 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-17 22:47 -------
This has been failing since at least "4.1.0 20050705".
--
What |Removed |Added
----------------------------------------------------------------------------
GCC build triplet|x86_64-unknown-linux-gnu |
GCC host triplet|x86_64-unknown-linux-gnu |
GCC target triplet|x86_64-unknown-linux-gnu |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (3 preceding siblings ...)
2005-09-17 22:47 ` pinskia at gcc dot gnu dot org
@ 2005-09-17 22:48 ` pinskia at gcc dot gnu dot org
2005-09-17 22:51 ` pinskia at gcc dot gnu dot org
` (9 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-09-17 22:48 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-17 22:48 -------
It worked with "4.1.0 20050321".
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (4 preceding siblings ...)
2005-09-17 22:48 ` pinskia at gcc dot gnu dot org
@ 2005-09-17 22:51 ` pinskia at gcc dot gnu dot org
2005-09-18 11:23 ` steven at gcc dot gnu dot org
` (8 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-09-17 22:51 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-17 22:50 -------
It also fails with "4.1.0 20050530".
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (5 preceding siblings ...)
2005-09-17 22:51 ` pinskia at gcc dot gnu dot org
@ 2005-09-18 11:23 ` steven at gcc dot gnu dot org
2005-09-19 18:22 ` janis at gcc dot gnu dot org
` (7 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: steven at gcc dot gnu dot org @ 2005-09-18 11:23 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From steven at gcc dot gnu dot org 2005-09-18 11:23 -------
Janis, could you please unleash your binary search scripts on this one?
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |janis at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (6 preceding siblings ...)
2005-09-18 11:23 ` steven at gcc dot gnu dot org
@ 2005-09-19 18:22 ` janis at gcc dot gnu dot org
2005-09-19 18:53 ` Andrew Pinski
2005-09-19 18:53 ` pinskia at physics dot uc dot edu
` (6 subsequent siblings)
14 siblings, 1 reply; 17+ messages in thread
From: janis at gcc dot gnu dot org @ 2005-09-19 18:22 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From janis at gcc dot gnu dot org 2005-09-19 18:22 -------
A reghunt on powerpc-linux shows the segfault starts with this patch from
rguenth@gcc.gnu.org:
http://gcc.gnu.org/ml/gcc-cvs/2005-05/msg00537.html
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-19 18:22 ` janis at gcc dot gnu dot org
@ 2005-09-19 18:53 ` Andrew Pinski
0 siblings, 0 replies; 17+ messages in thread
From: Andrew Pinski @ 2005-09-19 18:53 UTC (permalink / raw)
To: gcc-bugzilla; +Cc: gcc-bugs
On Sep 19, 2005, at 2:22 PM, janis at gcc dot gnu dot org wrote:
>
> ------- Additional Comments From janis at gcc dot gnu dot org
> 2005-09-19 18:22 -------
> A reghunt on powerpc-linux shows the segfault starts with this patch
> from
> rguenth@gcc.gnu.org:
Then this is a latent bug as it does not touch any of the backtrace.
Thanks,
Andrew Pinski
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (7 preceding siblings ...)
2005-09-19 18:22 ` janis at gcc dot gnu dot org
@ 2005-09-19 18:53 ` pinskia at physics dot uc dot edu
2005-09-19 21:08 ` janis187 at us dot ibm dot com
` (5 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at physics dot uc dot edu @ 2005-09-19 18:53 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at physics dot uc dot edu 2005-09-19 18:53 -------
Subject: Re: [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
On Sep 19, 2005, at 2:22 PM, janis at gcc dot gnu dot org wrote:
>
> ------- Additional Comments From janis at gcc dot gnu dot org
> 2005-09-19 18:22 -------
> A reghunt on powerpc-linux shows the segfault starts with this patch
> from
> rguenth@gcc.gnu.org:
Then this is a latent bug as it does not touch any of the backtrace.
Thanks,
Andrew Pinski
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (8 preceding siblings ...)
2005-09-19 18:53 ` pinskia at physics dot uc dot edu
@ 2005-09-19 21:08 ` janis187 at us dot ibm dot com
2005-09-19 21:12 ` pinskia at gcc dot gnu dot org
` (4 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: janis187 at us dot ibm dot com @ 2005-09-19 21:08 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From janis187 at us dot ibm dot com 2005-09-19 21:08 -------
It is not true that the function that contains a bug that causes a segfault is
always in the backtrace for the failure; this isn't enough information to claim
this is a latent bug.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (9 preceding siblings ...)
2005-09-19 21:08 ` janis187 at us dot ibm dot com
@ 2005-09-19 21:12 ` pinskia at gcc dot gnu dot org
2005-09-19 21:14 ` pinskia at gcc dot gnu dot org
` (3 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-09-19 21:12 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-19 21:12 -------
it is even more obvious it was a latent bug from looking at what we looking at when we are scanning
over the operands:
lineD.1272[318 - (<unnamed type>) ivtmp.37D.1332_3]
Where this is an ARRAY_REF and a couple of the ARRAY_REFs can be NULL.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (10 preceding siblings ...)
2005-09-19 21:12 ` pinskia at gcc dot gnu dot org
@ 2005-09-19 21:14 ` pinskia at gcc dot gnu dot org
2005-09-20 12:48 ` jakub at gcc dot gnu dot org
` (2 subsequent siblings)
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-09-19 21:14 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-19 21:14 -------
(In reply to comment #10)
> it is even more obvious it was a latent bug from looking at what we looking at when we are scanning
> over the operands:
> lineD.1272[318 - (<unnamed type>) ivtmp.37D.1332_3]
>
> Where this is an ARRAY_REF and a couple of the ARRAY_REFs can be NULL.
s/couple/couple of the operands/
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (11 preceding siblings ...)
2005-09-19 21:14 ` pinskia at gcc dot gnu dot org
@ 2005-09-20 12:48 ` jakub at gcc dot gnu dot org
2005-09-20 19:11 ` cvs-commit at gcc dot gnu dot org
2005-09-20 19:18 ` pinskia at gcc dot gnu dot org
14 siblings, 0 replies; 17+ messages in thread
From: jakub at gcc dot gnu dot org @ 2005-09-20 12:48 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |jakub at gcc dot gnu dot org
|dot org |
URL| |http://gcc.gnu.org/ml/gcc-
| |patches/2005-
| |09/msg01252.html
Status|NEW |ASSIGNED
Last reconfirmed|2005-09-17 19:53:05 |2005-09-20 12:48:00
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (12 preceding siblings ...)
2005-09-20 12:48 ` jakub at gcc dot gnu dot org
@ 2005-09-20 19:11 ` cvs-commit at gcc dot gnu dot org
2005-09-20 19:18 ` pinskia at gcc dot gnu dot org
14 siblings, 0 replies; 17+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2005-09-20 19:11 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-09-20 19:10 -------
Subject: Bug 23929
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: jakub@gcc.gnu.org 2005-09-20 19:10:45
Modified files:
gcc : ChangeLog tree-ssa-loop-niter.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.c-torture/compile: pr23929.c
Log message:
PR tree-optimization/23929
* tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
if expr is NULL.
* gcc.c-torture/compile/pr23929.c: New test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9989&r2=2.9990
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-niter.c.diff?cvsroot=gcc&r1=2.43&r2=2.44
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.6086&r2=1.6087
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/pr23929.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug tree-optimization/23929] [4.1 Regression] segfault in expand_simple_operations, tree-ssa-loop-niter.c:637
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
` (13 preceding siblings ...)
2005-09-20 19:11 ` cvs-commit at gcc dot gnu dot org
@ 2005-09-20 19:18 ` pinskia at gcc dot gnu dot org
14 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-09-20 19:18 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-20 19:18 -------
Fixed.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23929
^ permalink raw reply [flat|nested] 17+ messages in thread
end of thread, other threads:[~2005-09-20 19:18 UTC | newest]
Thread overview: 17+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2005-09-17 19:43 [Bug c/23929] New: segfault in expand_simple_operations, tree-ssa-loop-niter.c:637 marcus at jet dot franken dot de
2005-09-17 19:44 ` [Bug c/23929] " marcus at jet dot franken dot de
2005-09-17 19:45 ` [Bug tree-optimization/23929] " pinskia at gcc dot gnu dot org
2005-09-17 19:53 ` [Bug tree-optimization/23929] [4.1 Regression] " pinskia at gcc dot gnu dot org
2005-09-17 22:47 ` pinskia at gcc dot gnu dot org
2005-09-17 22:48 ` pinskia at gcc dot gnu dot org
2005-09-17 22:51 ` pinskia at gcc dot gnu dot org
2005-09-18 11:23 ` steven at gcc dot gnu dot org
2005-09-19 18:22 ` janis at gcc dot gnu dot org
2005-09-19 18:53 ` Andrew Pinski
2005-09-19 18:53 ` pinskia at physics dot uc dot edu
2005-09-19 21:08 ` janis187 at us dot ibm dot com
2005-09-19 21:12 ` pinskia at gcc dot gnu dot org
2005-09-19 21:14 ` pinskia at gcc dot gnu dot org
2005-09-20 12:48 ` jakub at gcc dot gnu dot org
2005-09-20 19:11 ` cvs-commit at gcc dot gnu dot org
2005-09-20 19:18 ` pinskia at gcc dot gnu dot org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).