The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the first successful build:
2025.03.03.00.57.21 riastradh src/lib/libc/include/atfork.h 1.1 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2025.03.html#2025.03.03.00.57.21