The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.11.02.00.25.46 mrg
src/external/mit/xorg/lib/xkeyboard-config/Makefile,v 1.14
2020.11.02.00.29.49 mrg src/distrib/sets/lists/tests/mi,v 1.956
2020.11.02.00.29.49 mrg src/distrib/sets/lists/xbase/mi,v 1.161
Logs can be found at:
http://releng.NetBSD.org/b5reports/i386/commits-2020.11.html#2020.11.02.00.29.49
