The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.11.30.21.06.56 skrll src/sys/arch/arm/arm/cpu_subr.c,v 1.2 2020.11.30.21.10.15 rillig src/usr.bin/make/unit-tests/Makefile,v 1.231 2020.11.30.21.10.15 rillig src/usr.bin/make/unit-tests/varmod-gmtime.exp,v 1.7 2020.11.30.21.10.15 rillig src/usr.bin/make/unit-tests/varmod-localtime.exp,v 1.5 2020.11.30.21.36.52 sjg src/distrib/sets/lists/tests/mi,v 1.979 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2020.11.html#2020.11.30.21.36.52