[current tinderbox] failure on amd64/amd64

TB --- 2011-12-18 05:00:01 - tinderbox 2.3 running on unknown
TB --- 2011-12-18 05:00:01 - starting HEAD tinderbox run for amd64/amd64
TB --- 2011-12-18 05:00:01 - cleaning the object tree
TB --- 2011-12-18 05:00:13 - cvsupping the source tree
TB --- 2011-12-18 05:00:13 - /usr/local/bin/cvsup -g -L 1 -h stargazer.midnightbsd.org /home/tinderbox/sandbox/HEAD/amd64/amd64/supfile
TB --- 2011-12-18 05:00:48 - building world (CFLAGS=-O -pipe)
TB --- 2011-12-18 05:00:48 - cd /home/tinderbox/sandbox/HEAD/amd64/amd64/src
TB --- 2011-12-18 05:00:48 - /usr/bin/make -B buildworld
>>> World build started on Sun Dec 18 05:00:49 UTC 2011
>>> 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 -Os  -fno-guess-branch-probability  -fomit-frame-pointer  -fno-unit-at-a-time 
-mno-align-long-strings  -mrtd  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3  -DUFS1_AND_UFS2 
-DSIOPRT=0x3f8  -DSIOFMT=0x3  -DSIOSPD=9600 
-I/home/tinderbox/sandbox/HEAD/amd64/amd64/src/sys/boot/i386/gptboot/../../common 
-I/home/tinderbox/sandbox/HEAD/amd64/amd64/src/sys/boot/i386/gptboot/../btx/lib -I. 
-I/home/tinderbox/sandbox/HEAD/amd64/amd64/src/sys/boot/i386/gptboot/../boot2  -Wall
-Waggregate-return -Wbad-function-cast -Wcast-align  -Wmissing-declarations
-Wmissing-prototypes -Wnested-externs  -Wpointer-arith -Wshadow -Wstrict-prototypes
-Wwrite-strings  -Winline --param max-inline-insns-single=100 -ffreestanding