The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2017.04.06.04.28.57 pgoyette src/distrib/sets/lists/comp/mi,v 1.2117
2017.04.06.05.08.17 kre src/distrib/sets/lists/comp/mi,v 1.2118
Log files can be found at:
http://releng.NetBSD.org/b5reports/i386/commits-2017.04.html#2017.04.06.05.08.17
