ivar changes in newbus?

I'm getting these warnings when building sys/modules/acpi:

cc -O -pipe -mcpu=pentiumpro -I/home/src/sys/modules/acpi/../../contrib/dev/acpica  -D_KERNEL -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99 -DKLD_MODULE -nostdinc -I-  -I/home/src/sys/modules/acpi/../../contrib/dev/acpica -I. -I_at_ -I_at_/dev -I_at_/../include -I/usr/include -fno-common  -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99 -c /home/src/sys/modules/acpi/../../i386/acpica/acpi_wakeup.c
bus_if.h:39: warning: inlining failed in call to `BUS_READ_IVAR'
_at_/dev/acpica/acpivar.h:194: warning: called from here
bus_if.h:50: warning: inlining failed in call to `BUS_WRITE_IVAR'
_at_/dev/acpica/acpivar.h:206: warning: called from here
bus_if.h:39: warning: inlining failed in call to `BUS_READ_IVAR'
_at_/dev/acpica/acpivar.h:215: warning: called from here
bus_if.h:50: warning: inlining failed in call to `BUS_WRITE_IVAR'
_at_/dev/acpica/acpivar.h:227: warning: called from here
bus_if.h:39: warning: inlining failed in call to `BUS_READ_IVAR'
_at_/dev/acpica/acpivar.h:236: warning: called from here
bus_if.h:50: warning: inlining failed in call to `BUS_WRITE_IVAR'
_at_/dev/acpica/acpivar.h:248: warning: called from here
bus_if.h:39: warning: inlining failed in call to `BUS_READ_IVAR'
_at_/dev/acpica/acpivar.h:194: warning: called from here

All the files that include bus_if.h get these.  Ideas?

-Nate