The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the first successful build:
2025.01.05.16.53.26 riastradh src/sys/arch/i386/include/asm.h 1.47 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2025.01.html#2025.01.05.16.53.26