The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the first successful build:
2024.05.02.03.30.07 kre src/tests/lib/libm/t_fe_round.c 1.12 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2024.05.html#2024.05.02.03.30.07