The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2017.01.07.16.19.28 kiyohara src/sys/arch/arm/arm/cpufunc_asm_pj4b.S,v 1.13 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/armadaxp.c,v 1.16 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/armadaxpvar.h,v 1.3 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/dove.c,v 1.1 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/dovereg.h,v 1.1 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/files.marvell,v 1.18 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/kirkwood.c,v 1.10 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/mv78xx0.c,v 1.2 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/mvsoc.c,v 1.25 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/mvsoc_sdhc.c,v 1.1 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/mvsoc_space.c,v 1.8 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/mvsocpmu.c,v 1.1 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/mvsocpmuvar.h,v 1.1 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/mvsocreg.h,v 1.13 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/mvsocvar.h,v 1.11 2017.01.07.16.19.28 kiyohara src/sys/arch/arm/marvell/orion.c,v 1.6 2017.01.07.16.19.29 kiyohara src/sys/arch/evbarm/armadaxp/armadaxp_machdep.c,v 1.12 2017.01.07.16.19.29 kiyohara src/sys/arch/evbarm/marvell/marvell_machdep.c,v 1.33 2017.01.07.16.19.29 kiyohara src/sys/arch/evbarm/marvell/marvellreg.h,v 1.5 2017.01.07.16.24.07 kiyohara src/sys/arch/evbarm/conf/CUBOX,v 1.1 2017.01.07.16.24.07 kiyohara src/sys/arch/evbarm/conf/README.evbarm,v 1.14 2017.01.07.16.24.40 martin src/sys/dev/sdmmc/ld_sdmmc.c,v 1.25 2017.01.07.16.29.04 kiyohara src/etc/etc.evbarm/Makefile.inc,v 1.81 2017.01.07.16.34.50 christos src/etc/newsyslog.conf,v 1.22 2017.01.07.16.36.54 christos src/usr.sbin/npf/npfd/npfd_log.c,v 1.7 2017.01.07.16.48.03 christos src/usr.sbin/npf/npfd/Makefile,v 1.5 2017.01.07.16.48.03 christos src/usr.sbin/npf/npfd/npfd.8,v 1.1 2017.01.07.16.48.03 christos src/usr.sbin/npf/npfd/npfd.c,v 1.6 2017.01.07.16.48.03 christos src/usr.sbin/npf/npfd/npfd_log.c,v 1.8 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2017.01.html#2017.01.07.16.48.03