The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.12.19.08.51.03 rin src/sys/lib/libsa/ufs.c,v 1.78 2020.12.19.09.02.32 skrll src/sys/arch/aarch64/aarch64/pmap.c,v 1.98 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2020.12.html#2020.12.19.09.02.32