The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the first successful build:
2025.04.27.02.54.05 kre src/common/lib/libprop/prop_kern.c 1.29 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2025.04.html#2025.04.27.02.54.05