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From: "glaubitz at physik dot fu-berlin.de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/107498] Wrong optimization leads to unaligned access when compiling OpenLDAP
Date: Sat, 12 Nov 2022 10:14:50 +0000 [thread overview]
Message-ID: <bug-107498-4-9cRCltlvdb@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-107498-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107498
--- Comment #8 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
(In reply to Eric Botcazou from comment #5)
> Can anyone print the value of mp in the debugger?
glaubitz@gcc202:~/openldap/tests$ gdb --args
/home/glaubitz/openldap/servers/slapd/slapd -Ta -d 0 -f
/home/glaubitz/openldap/tests/testrun/slapadd.conf -l
./testdata/test-ordered.ldif
GNU gdb (Debian 12.1-4) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "sparc64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
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For help, type "help".
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Reading symbols from /home/glaubitz/openldap/servers/slapd/slapd...
(gdb) r
Starting program: /home/glaubitz/openldap/servers/slapd/slapd -Ta -d 0 -f
/home/glaubitz/openldap/tests/testrun/slapadd.conf -l
./testdata/test-ordered.ldif
Program received signal SIGILL, Illegal instruction.
0xfff8000100e44320 in ?? ()
(gdb) c
Continuing.
Program received signal SIGBUS, Bus error.
0x00000100000ceda4 in mdb_node_add (mc=0x100004327b8, indx=<optimized out>,
key=0x7feffffe0a0, data=0x7feffffe090, pgno=0, flags=0) at
./../../../libraries/liblmdb/mdb.c:7366
7366 mp->mp_lower += sizeof(indx_t);
(gdb) p mp
$1 = (MDB_page *) 0x10000463caa
(gdb)
next prev parent reply other threads:[~2022-11-12 10:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-01 16:54 [Bug c/107498] New: " glaubitz at physik dot fu-berlin.de
2022-11-01 16:57 ` [Bug middle-end/107498] " pinskia at gcc dot gnu.org
2022-11-01 17:04 ` jrtc27 at jrtc27 dot com
2022-11-01 17:08 ` glaubitz at physik dot fu-berlin.de
2022-11-01 17:18 ` pinskia at gcc dot gnu.org
2022-11-01 20:23 ` ebotcazou at gcc dot gnu.org
2022-11-01 21:53 ` glaubitz at physik dot fu-berlin.de
2022-11-01 21:55 ` glaubitz at physik dot fu-berlin.de
2022-11-12 10:14 ` glaubitz at physik dot fu-berlin.de [this message]
2022-11-13 10:14 ` ebotcazou at gcc dot gnu.org
2022-11-13 10:33 ` glaubitz at physik dot fu-berlin.de
2022-11-13 10:56 ` ebotcazou at gcc dot gnu.org
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