The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2023.03.14.09.25.13 kre src/usr.sbin/makefs/ffs/buf.c,v 1.27 2023.03.14.09.54.40 kre src/usr.sbin/sysinst/defs.h,v 1.89 2023.03.14.10.36.06 kre src/usr.sbin/makefs/ffs/buf.c,v 1.28 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2023.03.html#2023.03.14.10.36.06