The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2017.08.12.21.46.01 kre src/distrib/sets/lists/base/md.amd64,v 1.270 2017.08.12.21.46.01 kre src/distrib/sets/lists/base/md.i386,v 1.146 2017.08.12.21.46.01 kre src/distrib/sets/lists/debug/md.amd64,v 1.98 2017.08.12.21.46.01 kre src/distrib/sets/lists/debug/md.i386,v 1.14 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2017.08.html#2017.08.12.21.46.01