kernel build failure in -HEAD

cc -c -O -pipe -march=pentium4 -Wall -Wredundant-decls
-Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes
-Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99 -g
-nostdinc -I-  -I. -I/usr/src/sys -I/usr/src/sys/contrib/dev/acpica
-I/usr/src/sys/contrib/altq -I/usr/src/sys/contrib/ipfilter
-I/usr/src/sys/contrib/pf -I/usr/src/sys/contrib/dev/ath
-I/usr/src/sys/contrib/dev/ath/freebsd -I/usr/src/sys/contrib/ngatm
-D_KERNEL -include opt_global.h -fno-common -finline-limit=8000
--param inline-unit-growth=100 --param large-function-growth=1000 
-mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding
-Werror  /usr/src/sys/kern/kern_thr.c
/usr/src/sys/kern/kern_thr.c: In function `thr_exit':
/usr/src/sys/kern/kern_thr.c:196: error: structure has no member named `state'
/usr/src/sys/kern/kern_thr.c:197: error: structure has no member named `state'
*** Error code 1

Stop in /usr/obj/usr/src/sys/CHIHIRO.
*** Error code 1

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

Stop in /usr/src.

-- 
"Without the userland, the kernel is useless."
               --inspired by The Tao of Programming