The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2023.04.29.23.30.18 kre src/sys/kern/vfs_subr.c,v 1.499 2023.04.29.23.30.18 kre src/sys/sys/sdt.h,v 1.16 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2023.04.html#2023.04.29.23.30.18