The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.04.11.01.42.56 macallan src/sys/arch/macppc/dev/snapper.c,v 1.54 2020.04.11.01.46.47 ad src/common/lib/libc/gen/radixtree.c,v 1.26 2020.04.11.01.51.14 christos src/distrib/sets/lists/debug/mi,v 1.306 2020.04.11.01.51.14 christos src/distrib/sets/lists/tests/mi,v 1.835 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2020.04.html#2020.04.11.01.51.14