The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the first successful build:
2024.04.03.04.40.23 kre src/lib/libm/src/math_private.h 1.32
Logs can be found at:
http://releng.NetBSD.org/b5reports/i386/commits-2024.04.html#2024.04.03.04.40.23
