The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the first successful build:
2024.06.19.09.43.22 martin src/sys/arch/xen/xen/xbdback_xenbus.c 1.106 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2024.06.html#2024.06.19.09.43.22