The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2019.01.10.17.41.47 christos src/external/mpl/dhcp/Makefile.inc,v 1.5 2019.01.10.17.41.47 christos src/external/mpl/dhcp/dist/common/dns.c,v 1.3 2019.01.10.17.41.47 christos src/external/mpl/dhcp/dist/omapip/buffer.c,v 1.3 2019.01.10.17.41.47 christos src/external/mpl/dhcp/dist/omapip/connection.c,v 1.3 2019.01.10.17.41.47 christos src/external/mpl/dhcp/dist/omapip/dispatch.c,v 1.3 2019.01.10.17.41.47 christos src/external/mpl/dhcp/dist/omapip/isclib.c,v 1.3 2019.01.10.17.41.47 christos src/external/mpl/dhcp/dist/server/dhcpv6.c,v 1.3 2019.01.10.17.41.47 christos src/external/mpl/dhcp/dist/server/mdb6.c,v 1.3 2019.01.10.17.41.48 christos src/external/mpl/dhcp/include/config.h,v 1.2 2019.01.10.18.09.45 christos src/external/mpl/bind/dist/lib/isc/rwlock.c,v 1.4 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2019.01.html#2019.01.10.18.09.45