The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.06.24.14.28.10 thorpej src/tests/lib/libprop/t_proplib.c,v 1.4 2020.06.24.14.33.08 jdolecek src/sys/arch/xen/xen/if_xennet_xenbus.c,v 1.127 2020.06.24.14.39.01 uwe src/tools/compat/configure.ac,v 1.98 2020.06.24.14.44.44 uwe src/tools/compat/configure,v 1.98 2020.06.24.14.48.47 martin src/tests/usr.sbin/stdethers/Makefile,v 1.2 2020.06.24.14.48.47 martin src/tests/usr.sbin/stdhosts/Makefile,v 1.2 2020.06.24.15.05.45 martin src/tests/usr.sbin/stdethers/Makefile,v 1.3 2020.06.24.15.05.45 martin src/tests/usr.sbin/stdhosts/Makefile,v 1.3 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2020.06.html#2020.06.24.15.05.45