The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2017.11.30.08.14.03 martin src/distrib/sets/lists/comp/mi,v 1.2161
Log files can be found at:
http://releng.NetBSD.org/b5reports/i386/commits-2017.11.html#2017.11.30.08.14.03
