The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2021.12.30.02.14.55 rillig src/usr.bin/make/cond.c,v 1.321 2021.12.30.02.14.55 rillig src/usr.bin/make/unit-tests/cond-token-plain.exp,v 1.14 2021.12.30.02.14.55 rillig src/usr.bin/make/unit-tests/cond-token-plain.mk,v 1.15 2021.12.30.02.30.53 christos src/distrib/sets/sets.subr,v 1.199 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2021.12.html#2021.12.30.02.30.53