* [Bug tree-optimization/26570] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
@ 2006-03-05 23:31 ` nmiell at comcast dot net
2006-03-05 23:39 ` [Bug gcov/profile/26570] " pinskia at gcc dot gnu dot org
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From: nmiell at comcast dot net @ 2006-03-05 23:31 UTC (permalink / raw)
To: gcc-bugs
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------- Comment #1 from nmiell at comcast dot net 2006-03-05 23:31 -------
On FC4 AMD64, compiling:
#include <algorithm>
void rotate(int x[3])
{
std::rotate(&x[0], &x[1], &x[2]);
}
int main(int argc, char* argv[])
{
int x[3] = { 0, 1, 2 };
rotate(x);
return 0;
}
with: g++ -O2 -fprofile-use rotate.cpp -o rotate
using: g++ (GCC) 4.0.2 20051125 (Red Hat 4.0.2-8)
results in:
/usr/lib/gcc/x86_64-redhat-linux/4.0.2/../../../../include/c++/4.0.2/bits/stl_algo.h:
In function _EuclideanRingElement std::__gcd(_EuclideanRingElement,
_EuclideanRingElement) [with _EuclideanRingElement = long int]:
/usr/lib/gcc/x86_64-redhat-linux/4.0.2/../../../../include/c++/4.0.2/bits/stl_algo.h:1523:
internal compiler error: Floating point exception
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://bugzilla.redhat.com/bugzilla> for instructions.
Preprocessed source stored into /tmp/cctkWvyt.out file, please attach this to
your bugreport.
--
nmiell at comcast dot net changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |nmiell at comcast dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
2006-03-05 23:31 ` [Bug tree-optimization/26570] " nmiell at comcast dot net
@ 2006-03-05 23:39 ` pinskia at gcc dot gnu dot org
2006-03-05 23:42 ` ahu at ds9a dot nl
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From: pinskia at gcc dot gnu dot org @ 2006-03-05 23:39 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from pinskia at gcc dot gnu dot org 2006-03-05 23:39 -------
(In reply to comment #1)
> On FC4 AMD64, compiling:
This is a different issue for sure as the ICE is in
rtl_value_profile_transformations which does not exist in 4.1.0.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
2006-03-05 23:31 ` [Bug tree-optimization/26570] " nmiell at comcast dot net
2006-03-05 23:39 ` [Bug gcov/profile/26570] " pinskia at gcc dot gnu dot org
@ 2006-03-05 23:42 ` ahu at ds9a dot nl
2006-03-05 23:53 ` pinskia at gcc dot gnu dot org
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From: ahu at ds9a dot nl @ 2006-03-05 23:42 UTC (permalink / raw)
To: gcc-bugs
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------- Comment #3 from ahu at ds9a dot nl 2006-03-05 23:42 -------
Thanks Nicholas,
I can run the command you suggest without errors (I saved the file as
exploit.cc). However, if I compile first with -fprofile-generate, then run it
once, and then add -fprofile-use, it reports:
$ g++ -O2 -fprofile-use -fprofile-generate exploit.cc -o exploit
*** glibc detected *** double free or corruption (fasttop): 0x085c7e78 ***
exploit.cc: In function â_ForwardIterator2 std::swap_ranges(_ForwardIterator1,
_ForwardIterator1, _ForwardIterator2) [with _ForwardIterator1 = int*,
_ForwardIterator2 = int*]â:
exploit.cc:14: internal compiler error: Aborted
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
This w/o any profiling information present:
ahu@intel:~/work/pdns/pdns/pdns$ rm exploit.gc*
ahu@intel:~/work/pdns/pdns/pdns$ g++ -O2 -fprofile-use -fprofile-generate
exploit.cc -o exploit
exploit.cc: In function âvoid std::iter_swap(_ForwardIterator1,
_ForwardIterator2) [with _ForwardIterator1 = int*, _ForwardIterator2 = int*]â:
exploit.cc:14: note: file exploit.gcda not found, execution counts estimated
*** glibc detected *** double free or corruption (fasttop): 0x085f2438 ***
exploit.cc: In function â_ForwardIterator2 std::swap_ranges(_ForwardIterator1,
_ForwardIterator1, _ForwardIterator2) [with _ForwardIterator1 = int*,
_ForwardIterator2 = int*]â:
exploit.cc:14: internal compiler error: Aborted
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
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2006-03-05 23:42 ` ahu at ds9a dot nl
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From: pinskia at gcc dot gnu dot org @ 2006-03-05 23:53 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from pinskia at gcc dot gnu dot org 2006-03-05 23:53 -------
Ok, compiling comment #1 with -O2 -fprofile-generate -fprofile-use, I do get
the failures.
Here is the valgrid report:
==5355== Invalid free() / delete / delete[]
==5355== at 0x11B1DA33: free (vg_replace_malloc.c:235)
==5355== by 0x6E915D: value_profile_transformations (value-prof.h:65)
==5355== by 0x74E3CB: tree_profiling (tree-profile.c:250)
==5355== by 0x74CD55: execute_one_pass (passes.c:827)
==5355== by 0x74CE4B: execute_pass_list (passes.c:859)
==5355== by 0x74CED5: execute_ipa_pass_list (passes.c:881)
==5355== by 0x787409: cgraph_optimize (cgraphunit.c:1223)
==5355== by 0x43F3AE: cp_finish_file (decl2.c:3115)
==5355== by 0x4AD1B9: c_common_parse_file (c-opts.c:1144)
==5355== by 0x7303C7: toplev_main (toplev.c:991)
==5355== by 0x11C4F47A: __libc_start_main (in /lib/libc-2.3.5.so)
==5355== by 0x402659: ??? (start.S:113)
==5355== Address 0x11FFA378 is 0 bytes inside a block of size 40 free'd
==5355== at 0x11B1DA33: free (vg_replace_malloc.c:235)
==5355== by 0x6E8D2A: branch_prob (value-prof.h:65)
==5355== by 0x74E3A8: tree_profiling (tree-profile.c:246)
==5355== by 0x74CD55: execute_one_pass (passes.c:827)
==5355== by 0x74CE4B: execute_pass_list (passes.c:859)
==5355== by 0x74CED5: execute_ipa_pass_list (passes.c:881)
==5355== by 0x787409: cgraph_optimize (cgraphunit.c:1223)
==5355== by 0x43F3AE: cp_finish_file (decl2.c:3115)
==5355== by 0x4AD1B9: c_common_parse_file (c-opts.c:1144)
==5355== by 0x7303C7: toplev_main (toplev.c:991)
==5355== by 0x11C4F47A: __libc_start_main (in /lib/libc-2.3.5.so)
==5355== by 0x402659: ??? (start.S:113)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
` (3 preceding siblings ...)
2006-03-05 23:53 ` pinskia at gcc dot gnu dot org
@ 2006-03-05 23:56 ` pinskia at gcc dot gnu dot org
2006-03-06 0:02 ` [Bug gcov/profile/26570] [4.1/4.2 Regression] " pinskia at gcc dot gnu dot org
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From: pinskia at gcc dot gnu dot org @ 2006-03-05 23:56 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from pinskia at gcc dot gnu dot org 2006-03-05 23:56 -------
It does not ICE on the mainline but valgrind is still unhappy:
==5383== Invalid free() / delete / delete[]
==5383== at 0x11B1DA33: free (vg_replace_malloc.c:235)
==5383== by 0x80680D: value_profile_transformations (value-prof.h:65)
==5383== by 0x888F5B: tree_profiling (tree-profile.c:244)
==5383== by 0x88764A: execute_one_pass (passes.c:862)
==5383== by 0x8877BB: execute_pass_list (passes.c:909)
==5383== by 0x887840: execute_ipa_pass_list (passes.c:931)
==5383== by 0x8D8023: cgraph_optimize (cgraphunit.c:1372)
==5383== by 0x47DFE9: cp_finish_file (decl2.c:3110)
==5383== by 0x52A9B9: c_common_parse_file (c-opts.c:1165)
==5383== by 0x858E4D: toplev_main (toplev.c:999)
==5383== by 0x11C4F47A: __libc_start_main (in /lib/libc-2.3.5.so)
==5383== by 0x402769: ??? (start.S:113)
==5383== Address 0x12050238 is 0 bytes inside a block of size 40 free'd
==5383== at 0x11B1DA33: free (vg_replace_malloc.c:235)
==5383== by 0x80669A: branch_prob (value-prof.h:65)
==5383== by 0x888F38: tree_profiling (tree-profile.c:240)
==5383== by 0x88764A: execute_one_pass (passes.c:862)
==5383== by 0x8877BB: execute_pass_list (passes.c:909)
==5383== by 0x887840: execute_ipa_pass_list (passes.c:931)
==5383== by 0x8D8023: cgraph_optimize (cgraphunit.c:1372)
==5383== by 0x47DFE9: cp_finish_file (decl2.c:3110)
==5383== by 0x52A9B9: c_common_parse_file (c-opts.c:1165)
==5383== by 0x858E4D: toplev_main (toplev.c:999)
==5383== by 0x11C4F47A: __libc_start_main (in /lib/libc-2.3.5.so)
==5383== by 0x402769: ??? (start.S:113)
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] [4.1/4.2 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
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2006-03-05 23:56 ` pinskia at gcc dot gnu dot org
@ 2006-03-06 0:02 ` pinskia at gcc dot gnu dot org
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From: pinskia at gcc dot gnu dot org @ 2006-03-06 0:02 UTC (permalink / raw)
To: gcc-bugs
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hubicka at gcc dot gnu dot
| |org
Keywords| |ice-on-valid-code
Summary|-fprofile-generate - |[4.1/4.2 Regression] -
|fprofile-use cause memory |fprofile-generate -fprofile-
|corruption immediately |use cause memory corruption
| |immediately
Target Milestone|--- |4.1.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] [4.1/4.2 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
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2006-03-06 0:02 ` [Bug gcov/profile/26570] [4.1/4.2 Regression] " pinskia at gcc dot gnu dot org
@ 2006-03-06 0:04 ` pinskia at gcc dot gnu dot org
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From: pinskia at gcc dot gnu dot org @ 2006-03-06 0:04 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from pinskia at gcc dot gnu dot org 2006-03-06 00:04 -------
Confirmed.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2006-03-06 00:04:47
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] [4.1/4.2 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
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2006-03-06 0:04 ` pinskia at gcc dot gnu dot org
@ 2006-03-06 0:10 ` ahu at ds9a dot nl
2006-04-16 18:42 ` mmitchel at gcc dot gnu dot org
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From: ahu at ds9a dot nl @ 2006-03-06 0:10 UTC (permalink / raw)
To: gcc-bugs
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------- Comment #7 from ahu at ds9a dot nl 2006-03-06 00:10 -------
The crasher bugs go away from release 4.1.0 when never running with
-fprofile-use and -fprofile-generate simultaneously.
There is another 'checksum mismatch' issue with PowerDNS:
base64.cc: In function âchar<unnamed>::B64Encode1(unsigned char)â:
base64.cc:220: error: coverage mismatch for function
â_ZN38_GLOBAL__N_base64.cc_00000000_B36B9A3210B64Encode1Ehâ while reading
counter âarcsâ
base64.cc:220: error: checksum is 913e4cf0 instead of e0c8a426
base64.cc: In function âchar<unnamed>::B64Decode1(char)â:
base64.cc:220: error: coverage mismatch for function
â_ZN38_GLOBAL__N_base64.cc_00000000_B36B9A3210B64Decode1Ecâ while reading
counter âarcsâ
base64.cc:220: error: checksum is 93e2f130 instead of e21419e6
These go away when I delete the relevant .gc* files.
--
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* [Bug gcov/profile/26570] [4.1/4.2 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
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2006-03-06 0:10 ` ahu at ds9a dot nl
@ 2006-04-16 18:42 ` mmitchel at gcc dot gnu dot org
2006-05-25 2:40 ` mmitchel at gcc dot gnu dot org
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From: mmitchel at gcc dot gnu dot org @ 2006-04-16 18:42 UTC (permalink / raw)
To: gcc-bugs
--
mmitchel at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
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* [Bug gcov/profile/26570] [4.1/4.2 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
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2006-04-16 18:42 ` mmitchel at gcc dot gnu dot org
@ 2006-05-25 2:40 ` mmitchel at gcc dot gnu dot org
2006-08-07 12:08 ` hubicka at gcc dot gnu dot org
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From: mmitchel at gcc dot gnu dot org @ 2006-05-25 2:40 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from mmitchel at gcc dot gnu dot org 2006-05-25 02:34 -------
Will not be fixed in 4.1.1; adjust target milestone to 4.1.2.
--
mmitchel at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.1.1 |4.1.2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] [4.1/4.2 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
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From: hubicka at gcc dot gnu dot org @ 2006-08-07 12:08 UTC (permalink / raw)
To: gcc-bugs
--
hubicka at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |rakdver at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] [4.1/4.2 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
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2006-08-07 12:08 ` hubicka at gcc dot gnu dot org
@ 2006-08-12 8:20 ` rakdver at gcc dot gnu dot org
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From: rakdver at gcc dot gnu dot org @ 2006-08-12 8:20 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from rakdver at gcc dot gnu dot org 2006-08-12 08:20 -------
Patch: http://gcc.gnu.org/ml/gcc-patches/2006-08/msg00386.html
--
rakdver at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
URL| |http://gcc.gnu.org/ml/gcc-
| |patches/2006-
| |08/msg00386.html
Keywords| |patch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] [4.1/4.2 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
` (11 preceding siblings ...)
2006-08-12 8:20 ` rakdver at gcc dot gnu dot org
@ 2006-08-16 7:06 ` patchapp at dberlin dot org
2006-08-17 2:03 ` [Bug gcov/profile/26570] [4.1 " pinskia at gcc dot gnu dot org
2006-10-18 9:24 ` [Bug gcov-profile/26570] " rguenth at gcc dot gnu dot org
14 siblings, 0 replies; 16+ messages in thread
From: patchapp at dberlin dot org @ 2006-08-16 7:06 UTC (permalink / raw)
To: gcc-bugs
------- Comment #10 from patchapp at dberlin dot org 2006-08-16 07:06 -------
Subject: Bug number PR 26570
A patch for this bug has been added to the patch tracker.
The mailing list url for the patch is
http://gcc.gnu.org/ml/gcc-patches/2006-08/msg00399.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov/profile/26570] [4.1 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
` (12 preceding siblings ...)
2006-08-16 7:06 ` patchapp at dberlin dot org
@ 2006-08-17 2:03 ` pinskia at gcc dot gnu dot org
2006-10-18 9:24 ` [Bug gcov-profile/26570] " rguenth at gcc dot gnu dot org
14 siblings, 0 replies; 16+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-08-17 2:03 UTC (permalink / raw)
To: gcc-bugs
------- Comment #11 from pinskia at gcc dot gnu dot org 2006-08-17 02:02 -------
Fixed at least on the mainline.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[4.1/4.2 Regression] - |[4.1 Regression] -fprofile-
|fprofile-generate -fprofile-|generate -fprofile-use cause
|use cause memory corruption |memory corruption
|immediately |immediately
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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* [Bug gcov-profile/26570] [4.1 Regression] -fprofile-generate -fprofile-use cause memory corruption immediately
2006-03-05 23:26 [Bug tree-optimization/26570] New: -fprofile-generate -fprofile-use cause memory corruption immediately ahu at ds9a dot nl
` (13 preceding siblings ...)
2006-08-17 2:03 ` [Bug gcov/profile/26570] [4.1 " pinskia at gcc dot gnu dot org
@ 2006-10-18 9:24 ` rguenth at gcc dot gnu dot org
14 siblings, 0 replies; 16+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2006-10-18 9:24 UTC (permalink / raw)
To: gcc-bugs
------- Comment #12 from rguenth at gcc dot gnu dot org 2006-10-18 09:24 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26570
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