The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2016.10.15.11.34.30 christos src/distrib/sets/lists/comp/md.i386,v 1.159 2016.10.15.11.41.54 christos src/distrib/sets/lists/comp/ad.arm,v 1.74 2016.10.15.11.44.09 christos src/distrib/sets/lists/comp/md.evbmips,v 1.21 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2016.10.html#2016.10.15.11.44.09