The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the first successful build:
2023.07.08.17.43.13 christos src/distrib/sets/lists/comp/mi 1.2436 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2023.07.html#2023.07.08.17.43.13