The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.12.22.08.31.13 rillig src/usr.bin/make/parse.c,v 1.513 2020.12.22.08.51.30 rillig src/usr.bin/make/parse.c,v 1.514 2020.12.22.08.51.30 rillig src/usr.bin/make/unit-tests/opt-file.exp,v 1.7 2020.12.22.08.51.30 rillig src/usr.bin/make/unit-tests/opt-file.mk,v 1.10 2020.12.22.08.57.23 rillig src/usr.bin/make/unit-tests/opt-file.mk,v 1.11 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2020.12.html#2020.12.22.08.57.23