The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.01.01.00.24.52 kre src/sbin/dmesg/dmesg.c,v 1.45 2020.01.01.00.38.30 jmcneill src/sys/dev/i2c/rkpmic.c,v 1.6 2020.01.01.01.18.34 mlelstv src/sys/uvm/uvm_pdpolicy_clock.c,v 1.29 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2020.01.html#2020.01.01.01.18.34