The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2019.02.21.08.10.22 knakahara src/sys/dev/pci/if_wm.c,v 1.627 2019.02.21.08.25.00 mrg src/sys/compat/sys/ipc.h,v 1.7 2019.02.21.08.52.53 hannken src/sys/kern/vfs_trans.c,v 1.55 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2019.02.html#2019.02.21.08.52.53