The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the first successful build:
2023.06.27.09.10.25 martin src/external/mpl/dhcp/dist/common/dispatch.c 1.4 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2023.06.html#2023.06.27.09.10.25