The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2021.02.03.06.42.50 roy src/usr.sbin/traceroute6/Makefile,v 1.12 2021.02.03.06.42.50 roy src/usr.sbin/traceroute6/traceroute6.c,v 1.52 2021.02.03.06.46.27 roy src/usr.sbin/ldpd/Makefile,v 1.6 2021.02.03.06.49.18 roy src/usr.sbin/traceroute/Makefile,v 1.22 2021.02.03.06.50.07 roy src/usr.sbin/rtadvd/Makefile,v 1.26 2021.02.03.06.51.26 roy src/usr.bin/tftp/Makefile,v 1.15 2021.02.03.06.58.22 rillig src/usr.bin/make/util.c,v 1.75 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2021.02.html#2021.02.03.06.58.22