The NetBSD-current/i386 build is working again.
The following commits were made between the last failed build and the
successful build:
    2020.07.04.03.08.20 lukem src/usr.bin/make/var.c,v 1.247
Logs can be found at:
    http://releng.NetBSD.org/b5reports/i386/commits-2020.07.html#2020.07.04.03.08.20