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* [Bug tree-optimization/55085] [4.8 regression] false positive -Warray-bounds
2012-10-26 15:56 [Bug tree-optimization/55085] New: [4.8 regression] false positive -Warray-bounds dimhen at gmail dot com
@ 2012-10-26 15:56 ` dimhen at gmail dot com
2012-10-29 14:34 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: dimhen at gmail dot com @ 2012-10-26 15:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55085
--- Comment #1 from Dmitry G. Dyachenko <dimhen at gmail dot com> 2012-10-26 15:56:16 UTC ---
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/local/gcc_current/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /home/dima/src/gcc-current/configure
--prefix=/usr/local/gcc_current --with-multilib-list=m64 --enable-shared
--enable-checking=release --enable-gnu-unique-object --enable-linker-build-id
--enable-languages=c,c++,lto --enable-plugin --with-tune=native
--enable-version-specific-runtime-libs
Thread model: posix
gcc version 4.8.0 20121026 (experimental) [trunk revision 192841] (GCC)
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/55085] New: [4.8 regression] false positive -Warray-bounds
@ 2012-10-26 15:56 dimhen at gmail dot com
2012-10-26 15:56 ` [Bug tree-optimization/55085] " dimhen at gmail dot com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: dimhen at gmail dot com @ 2012-10-26 15:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55085
Bug #: 55085
Summary: [4.8 regression] false positive -Warray-bounds
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: dimhen@gmail.com
$ gcc -Werror -Wall -Wextra -O2 -funroll-loops -c 1.c
1.c: In function 'bar':
1.c:12:11: error: array subscript is above array bounds [-Werror=array-bounds]
if(!a[i])
^
void bar(unsigned m)
{
void *a[3];
int i;
for(i=0; i<(int)m; i++)
a[i]=0; // missing warning ?
switch(m) {
case 2:
for(i=0; i<(int)m; i++)
if(!a[i])
return;
}
}
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/55085] [4.8 regression] false positive -Warray-bounds
2012-10-26 15:56 [Bug tree-optimization/55085] New: [4.8 regression] false positive -Warray-bounds dimhen at gmail dot com
2012-10-26 15:56 ` [Bug tree-optimization/55085] " dimhen at gmail dot com
@ 2012-10-29 14:34 ` rguenth at gcc dot gnu.org
2012-10-30 9:33 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-10-29 14:34 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55085
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.8.0
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/55085] [4.8 regression] false positive -Warray-bounds
2012-10-26 15:56 [Bug tree-optimization/55085] New: [4.8 regression] false positive -Warray-bounds dimhen at gmail dot com
2012-10-26 15:56 ` [Bug tree-optimization/55085] " dimhen at gmail dot com
2012-10-29 14:34 ` rguenth at gcc dot gnu.org
@ 2012-10-30 9:33 ` rguenth at gcc dot gnu.org
2012-11-02 20:56 ` hubicka at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-10-30 9:33 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55085
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-30 09:32:45 UTC ---
dup.
*** This bug has been marked as a duplicate of bug 55079 ***
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/55085] [4.8 regression] false positive -Warray-bounds
2012-10-26 15:56 [Bug tree-optimization/55085] New: [4.8 regression] false positive -Warray-bounds dimhen at gmail dot com
` (2 preceding siblings ...)
2012-10-30 9:33 ` rguenth at gcc dot gnu.org
@ 2012-11-02 20:56 ` hubicka at gcc dot gnu.org
2012-11-02 20:57 ` hubicka at gcc dot gnu.org
2012-12-09 3:15 ` pinskia at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: hubicka at gcc dot gnu.org @ 2012-11-02 20:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55085
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hubicka at gcc dot gnu.org
Resolution|DUPLICATE |FIXED
--- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> 2012-11-02 20:55:58 UTC ---
This one is solved now (and not a duplicate)
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/55085] [4.8 regression] false positive -Warray-bounds
2012-10-26 15:56 [Bug tree-optimization/55085] New: [4.8 regression] false positive -Warray-bounds dimhen at gmail dot com
` (3 preceding siblings ...)
2012-11-02 20:56 ` hubicka at gcc dot gnu.org
@ 2012-11-02 20:57 ` hubicka at gcc dot gnu.org
2012-12-09 3:15 ` pinskia at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: hubicka at gcc dot gnu.org @ 2012-11-02 20:57 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55085
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |nately@t-online.de
--- Comment #4 from Jan Hubicka <hubicka at gcc dot gnu.org> 2012-11-02 20:57:34 UTC ---
*** Bug 55133 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/55085] [4.8 regression] false positive -Warray-bounds
2012-10-26 15:56 [Bug tree-optimization/55085] New: [4.8 regression] false positive -Warray-bounds dimhen at gmail dot com
` (4 preceding siblings ...)
2012-11-02 20:57 ` hubicka at gcc dot gnu.org
@ 2012-12-09 3:15 ` pinskia at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-12-09 3:15 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55085
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |akim.demaille at gmail dot
| |com
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-12-09 03:14:52 UTC ---
*** Bug 55222 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2012-12-09 3:15 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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2012-10-26 15:56 [Bug tree-optimization/55085] New: [4.8 regression] false positive -Warray-bounds dimhen at gmail dot com
2012-10-26 15:56 ` [Bug tree-optimization/55085] " dimhen at gmail dot com
2012-10-29 14:34 ` rguenth at gcc dot gnu.org
2012-10-30 9:33 ` rguenth at gcc dot gnu.org
2012-11-02 20:56 ` hubicka at gcc dot gnu.org
2012-11-02 20:57 ` hubicka at gcc dot gnu.org
2012-12-09 3:15 ` pinskia at gcc dot gnu.org
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