The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2017.11.13.12.42.26 martin src/distrib/sets/lists/comp/md.amd64,v 1.252 2017.11.13.12.42.26 martin src/distrib/sets/lists/comp/md.i386,v 1.175 2017.11.13.13.47.16 jmcneill src/sys/arch/arm/sunxi/sunxi_nand.c,v 1.2 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2017.11.html#2017.11.13.13.47.16