[head tinderbox] failure on i386/i386

[FreeBSD Tinderbox]

TB --- 2005-11-02 11:44:17 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2005-11-02 11:44:17 - starting HEAD tinderbox run for i386/i386
TB --- 2005-11-02 11:44:17 - cleaning the object tree
TB --- 2005-11-02 11:44:52 - checking out the source tree
TB --- 2005-11-02 11:44:52 - cd /tinderbox/HEAD/i386/i386
TB --- 2005-11-02 11:44:52 - /usr/bin/cvs -f -R -q -d/home/ncvs update -Pd -A src
TB --- 2005-11-02 11:51:29 - building world (CFLAGS=-O2 -pipe)
TB --- 2005-11-02 11:51:29 - cd /src
TB --- 2005-11-02 11:51:29 - /usr/bin/make -B buildworld
>>> Rebuilding the temporary build tree
>>> stage 1.1: legacy release compatibility shims
>>> stage 1.2: bootstrap tools
>>> stage 2.1: cleaning up the object tree
>>> stage 2.2: rebuilding the object tree
>>> stage 2.3: build tools
>>> stage 3: cross tools
>>> stage 4.1: building includes
>>> stage 4.2: building libraries
>>> stage 4.3: make dependencies
>>> stage 4.4: building everything
[...]
cc -O2 -pipe  -I/src/usr.sbin/acpi/acpiconf/../../../sys -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls  -o acpiconf acpiconf.o 
gzip -cn /src/usr.sbin/acpi/acpiconf/acpiconf.8 > acpiconf.8.gz
===> usr.sbin/acpi/acpidb (all)
cc -O2 -pipe  -DACPI_APPLICATION -DACPI_DEBUG_OUTPUT -DACPI_DEBUGGER  -DACPI_DISASSEMBLER -I/src/usr.sbin/acpi/acpidb/../../../sys -Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /src/usr.sbin/acpi/acpidb/acpidb.c
cc -O2 -pipe  -DACPI_APPLICATION -DACPI_DEBUG_OUTPUT -DACPI_DEBUGGER  -DACPI_DISASSEMBLER -I/src/usr.sbin/acpi/acpidb/../../../sys -Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /src/usr.sbin/acpi/acpidb/../../../sys/contrib/dev/acpica/osunixxf.c
cc -O2 -pipe  -DACPI_APPLICATION -DACPI_DEBUG_OUTPUT -DACPI_DEBUGGER  -DACPI_DISASSEMBLER -I/src/usr.sbin/acpi/acpidb/../../../sys -Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /src/usr.sbin/acpi/acpidb/../../../sys/contrib/dev/acpica/dbcmds.c
/src/usr.sbin/acpi/acpidb/../../../sys/contrib/dev/acpica/dbcmds.c: In function `AcpiDbBusWalk':
/src/usr.sbin/acpi/acpidb/../../../sys/contrib/dev/acpica/dbcmds.c:1741: warning: dereferencing type-punned pointer will break strict-aliasing rules
*** Error code 1

Stop in /src/usr.sbin/acpi/acpidb.
*** Error code 1

Stop in /src/usr.sbin/acpi.
*** Error code 1

Stop in /src/usr.sbin.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2005-11-02 12:50:29 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2005-11-02 12:50:29 - ERROR: failed to build world
TB --- 2005-11-02 12:50:29 - tinderbox aborted