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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug optimization/14863] [3.4/3.5 regression] unit-at-a-time causes miscompilation Date: Wed, 07 Apr 2004 20:55:00 -0000 [thread overview] Message-ID: <20040407205538.17581.qmail@sources.redhat.com> (raw) In-Reply-To: <20040406114325.14863.rguenth@tat.physik.uni-tuebingen.de> ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-04-07 20:55 ------- Actually the address in the backtrace is wrong. I added some printf statements to figure out what is going on: invalidate: 0x80872a8 <--- the one which it is seg faulting on. ~DataBlockController: 0x80872e0 Breakpoint 1, 0x4207ad06 in chunk_free () from /lib/i686/libc.so.6 #0 0x4207ad06 in chunk_free () from /lib/i686/libc.so.6 #1 0x4207acb4 in free () from /lib/i686/libc.so.6 #2 0x400bf761 in operator delete (ptr=0x4212dfa0) at /home/gates/pinskia/src/gnu/gcc/src/libstdc++-v3/libsupc++/del_op.cc:39 #3 0x08061734 in ~PatchSwapLayout (this=0xbffec080) at pr14863.cc:12229 #4 0x080545ff in main (argc=1, argv=0xbffec194) at pr14863.cc:52678 deleteStorage: 0x80872d0 Breakpoint 1, 0x4207ad06 in chunk_free () from /lib/i686/libc.so.6 #0 0x4207ad06 in chunk_free () from /lib/i686/libc.so.6 #1 0x4207acb4 in free () from /lib/i686/libc.so.6 #2 0x400bf761 in operator delete (ptr=0x4212dfa0) at /home/gates/pinskia/src/gnu/gcc/src/libstdc++-v3/libsupc++/del_op.cc:39 #3 0x400bf7bd in operator delete[] (ptr=0x4212dfa0) at /home/gates/pinskia/src/gnu/gcc/src/libstdc++-v3/libsupc++/del_opv.cc:36 #4 0x08061814 in ~PatchSwapLayout (this=0xbffec080) at pr14863.cc:11578 #5 0x080545ff in main (argc=1, argv=0xbffec194) at pr14863.cc:52678 Breakpoint 1, 0x4207ad06 in chunk_free () from /lib/i686/libc.so.6 #0 0x4207ad06 in chunk_free () from /lib/i686/libc.so.6 #1 0x4207acb4 in free () from /lib/i686/libc.so.6 #2 0x400bf761 in operator delete (ptr=0x4212dfa0) at /home/gates/pinskia/src/gnu/gcc/src/libstdc++-v3/libsupc++/del_op.cc:39 #3 0x0806181c in ~PatchSwapLayout (this=0xbffec080) at pr14863.cc:9882 #4 0x080545ff in main (argc=1, argv=0xbffec194) at pr14863.cc:52678 Program received signal SIGSEGV, Segmentation fault. 0x4207af5c in chunk_free () from /lib/i686/libc.so.6 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14863
next prev parent reply other threads:[~2004-04-07 20:55 UTC|newest] Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top 2004-04-06 11:43 [Bug optimization/14863] New: [3.4 " rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-06 11:45 ` [Bug optimization/14863] " rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-06 11:49 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-06 12:36 ` pinskia at gcc dot gnu dot org 2004-04-06 23:48 ` 1319 at bot dot ru 2004-04-07 7:59 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-07 8:00 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-07 8:04 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-07 10:25 ` 1319 at bot dot ru 2004-04-07 11:56 ` 1319 at bot dot ru 2004-04-07 12:04 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-07 13:07 ` [Bug optimization/14863] [3.4/3.5 " pinskia at gcc dot gnu dot org 2004-04-07 13:26 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-07 13:37 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-07 13:44 ` giovannibajo at libero dot it 2004-04-07 16:08 ` pinskia at gcc dot gnu dot org 2004-04-07 20:55 ` pinskia at gcc dot gnu dot org [this message] 2004-04-08 11:57 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-08 11:58 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-09 13:09 ` pinskia at gcc dot gnu dot org 2004-04-09 13:12 ` pinskia at gcc dot gnu dot org 2004-04-09 13:35 ` pinskia at gcc dot gnu dot org 2004-04-10 15:27 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-04-11 1:06 ` 1319 at bot dot ru 2004-06-02 0:08 ` [Bug rtl-optimization/14863] " belyshev at lubercy dot com 2004-06-02 0:19 ` [Bug rtl-optimization/14863] [3.4 " pinskia at gcc dot gnu dot org 2004-06-02 6:47 ` belyshev at lubercy dot com 2004-06-02 7:38 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-06-02 8:50 ` belyshev at lubercy dot com 2004-06-02 10:18 ` giovannibajo at libero dot it 2004-06-02 10:51 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-06-02 10:57 ` giovannibajo at libero dot it 2004-06-02 11:07 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-06-02 11:14 ` giovannibajo at libero dot it 2004-06-02 11:15 ` belyshev at lubercy dot com 2004-06-02 11:54 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-06-02 12:05 ` rguenth at tat dot physik dot uni-tuebingen dot de 2004-06-02 22:30 ` pinskia at gcc dot gnu dot org 2004-06-03 1:01 ` [Bug rtl-optimization/14863] [3.4/3.5 " giovannibajo at libero dot it 2004-06-03 1:08 ` pinskia at gcc dot gnu dot org 2004-06-03 1:12 ` pinskia at gcc dot gnu dot org 2004-06-03 1:25 ` giovannibajo at libero dot it 2004-06-04 20:47 ` giovannibajo at libero dot it
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