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* [Bug c++/36288] New: OpenMP-C++: segmentation fault in basic string constructors
@ 2008-05-21 8:40 hailijuan at gmail dot com
2008-05-21 8:42 ` [Bug c++/36288] " hailijuan at gmail dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: hailijuan at gmail dot com @ 2008-05-21 8:40 UTC (permalink / raw)
To: gcc-bugs
the testcase b.cc is attached to show the problem. the error just happened with
-m64.
-bash-3.00$ /import/dr3/s10/gcc-4.2/bin/g++ b.cc -m64 -fopenmp
-bash-3.00$ export LD_LIBRARY_PATH=/import/dr3/s10/gcc-4.2/lib/sparcv9
-bash-3.00$ ./a.out
Segmentation Fault (core dumped)
-bash-3.00$ dbx a.out
(dbx) run
Running: a.out
(process id 12660)
Reading libc_psr.so.1
t@1 (l@1) signal SEGV (no mapping at the fault address) in _memcpy at
0xffffffff7dc00ee0
0xffffffff7dc00ee0: _memcpy+0x0660: stda %f32, [%o0] 0xf0
dbx: internal error: signal SIGSEGV (no mapping at the fault address)
dbx's coredump will appear in /tmp
Abort (core dumped)
-bash-3.00$ /import/dr3/s10/gcc-4.2/bin/g++ -v
Using built-in specs.
Target: sparc-sun-solaris2.10
Configured with: /import/dr2/starlex/1/gcc-4.2-20070228/configure
--prefix=/import/dr3/s10/gcc-4.2 --enable-languages=c,c++,fortran
--enable-rpath --with-mpfr=/import/dr3/s10/gcc-4.2
--with-gmp=/import/dr3/s10/gcc-4.2
Thread model: posix
gcc version 4.2.0 20070228 (prerelease)
--
Summary: OpenMP-C++: segmentation fault in basic string
constructors
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hailijuan at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36288
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug c++/36288] OpenMP-C++: segmentation fault in basic string constructors 2008-05-21 8:40 [Bug c++/36288] New: OpenMP-C++: segmentation fault in basic string constructors hailijuan at gmail dot com @ 2008-05-21 8:42 ` hailijuan at gmail dot com 2008-05-28 7:29 ` pinskia at gcc dot gnu dot org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: hailijuan at gmail dot com @ 2008-05-21 8:42 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from hailijuan at gmail dot com 2008-05-21 08:41 ------- Created an attachment (id=15660) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15660&action=view) C++ OpenMP program. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36288 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/36288] OpenMP-C++: segmentation fault in basic string constructors 2008-05-21 8:40 [Bug c++/36288] New: OpenMP-C++: segmentation fault in basic string constructors hailijuan at gmail dot com 2008-05-21 8:42 ` [Bug c++/36288] " hailijuan at gmail dot com @ 2008-05-28 7:29 ` pinskia at gcc dot gnu dot org 2008-05-28 7:52 ` pinskia at gcc dot gnu dot org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: pinskia at gcc dot gnu dot org @ 2008-05-28 7:29 UTC (permalink / raw) To: gcc-bugs -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |pinskia at gcc dot gnu dot | |org Severity|major |normal http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36288 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/36288] OpenMP-C++: segmentation fault in basic string constructors 2008-05-21 8:40 [Bug c++/36288] New: OpenMP-C++: segmentation fault in basic string constructors hailijuan at gmail dot com 2008-05-21 8:42 ` [Bug c++/36288] " hailijuan at gmail dot com 2008-05-28 7:29 ` pinskia at gcc dot gnu dot org @ 2008-05-28 7:52 ` pinskia at gcc dot gnu dot org 2008-05-28 7:53 ` [Bug middle-end/36288] " pinskia at gcc dot gnu dot org 2008-05-28 8:55 ` hailijuan at gmail dot com 4 siblings, 0 replies; 6+ messages in thread From: pinskia at gcc dot gnu dot org @ 2008-05-28 7:52 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from pinskia at gcc dot gnu dot org 2008-05-28 07:51 ------- Hmm, I don't think this is a bug as the assignment of the string is not going to be atomic so you could get a partial assignment of a.astr happening. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36288 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/36288] OpenMP-C++: segmentation fault in basic string constructors 2008-05-21 8:40 [Bug c++/36288] New: OpenMP-C++: segmentation fault in basic string constructors hailijuan at gmail dot com ` (2 preceding siblings ...) 2008-05-28 7:52 ` pinskia at gcc dot gnu dot org @ 2008-05-28 7:53 ` pinskia at gcc dot gnu dot org 2008-05-28 8:55 ` hailijuan at gmail dot com 4 siblings, 0 replies; 6+ messages in thread From: pinskia at gcc dot gnu dot org @ 2008-05-28 7:53 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from pinskia at gcc dot gnu dot org 2008-05-28 07:53 ------- Is there a reason why you think this is well defined code? -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c++ |middle-end http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36288 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/36288] OpenMP-C++: segmentation fault in basic string constructors 2008-05-21 8:40 [Bug c++/36288] New: OpenMP-C++: segmentation fault in basic string constructors hailijuan at gmail dot com ` (3 preceding siblings ...) 2008-05-28 7:53 ` [Bug middle-end/36288] " pinskia at gcc dot gnu dot org @ 2008-05-28 8:55 ` hailijuan at gmail dot com 4 siblings, 0 replies; 6+ messages in thread From: hailijuan at gmail dot com @ 2008-05-28 8:55 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from hailijuan at gmail dot com 2008-05-28 08:54 ------- Subject: Re: OpenMP-C++: segmentation fault in basic string constructors no. thanks for your comments. i have correct the testcase. the error is gone with gcc-4.2. thanks again. 2008/5/28 pinskia at gcc dot gnu dot org <gcc-bugzilla@gcc.gnu.org>: > > > ------- Comment #3 from pinskia at gcc dot gnu dot org 2008-05-28 07:53 ------- > Is there a reason why you think this is well defined code? > > > -- > > pinskia at gcc dot gnu dot org changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > Component|c++ |middle-end > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36288 > > ------- You are receiving this mail because: ------- > You reported the bug, or are watching the reporter. > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36288 ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2008-05-28 8:55 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2008-05-21 8:40 [Bug c++/36288] New: OpenMP-C++: segmentation fault in basic string constructors hailijuan at gmail dot com 2008-05-21 8:42 ` [Bug c++/36288] " hailijuan at gmail dot com 2008-05-28 7:29 ` pinskia at gcc dot gnu dot org 2008-05-28 7:52 ` pinskia at gcc dot gnu dot org 2008-05-28 7:53 ` [Bug middle-end/36288] " pinskia at gcc dot gnu dot org 2008-05-28 8:55 ` hailijuan at gmail dot com
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