The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2019.06.17.17.01.50 sevan src/sys/Makefile,v 1.84 2019.06.17.17.03.58 christos src/common/lib/libutil/snprintb.c,v 1.21 2019.06.17.17.06.39 christos src/sys/conf/filesystems.config,v 1.13 2019.06.17.17.14.56 ryoon src/sys/ufs/chfs/chfs_malloc.c,v 1.6 2019.06.17.17.14.56 ryoon src/sys/ufs/chfs/chfs_pool.c,v 1.4 2019.06.17.17.14.56 ryoon src/sys/ufs/chfs/chfs_scan.c,v 1.8 2019.06.17.17.14.56 ryoon src/sys/ufs/chfs/chfs_vnops.c,v 1.34 2019.06.17.17.45.18 kamil src/doc/roadmaps/verification,v 1.2 2019.06.17.17.53.22 kamil src/sys/arch/arm/include/ptrace.h,v 1.13 2019.06.17.17.53.41 martin src/usr.sbin/sysinst/partman.c,v 1.33 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2019.06.html#2019.06.17.17.53.41