The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2021.03.08.23.34.58 christos src/sys/dist/pf/net/pf_norm.c,v 1.29 2021.03.08.23.34.58 christos src/sys/external/bsd/ipf/netinet/ip_fil_netbsd.c,v 1.36 2021.03.09.00.06.44 christos src/distrib/utils/libhack/Makefile.inc,v 1.38 2021.03.09.00.06.44 christos src/distrib/utils/libhack/wrap.c,v 1.1 2021.03.09.00.08.04 christos src/distrib/evbarm/instkernel/sshramdisk/list,v 1.5 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2021.03.html#2021.03.09.00.08.04