Can't input '\', '|', '_' symbol in Japanese keyboard

[Minoru TANABE]

Hi, all.
I'm 12-stable user.
My system upgrade from 12.1-stable_r357351(2020-02-01) to
r358294(2020-02-24).
After upgrading, I can't input '\', '|', '_' symbol.

I use vt console driver and jp.capsctrl.kbd keymap.
These symbols are defined as scancode 115 and 125 in keymap.
I checked source, and find /stable/12/sys/dev/usb/input/ukbd.c was changed.
I revert Revision 358211
<https://svnweb.freebsd.org/base?view=revision&sortby=date&revision=358211>(Modified
Fri Feb 21 08:30:34 2020 UTC) to Revision 356020
<https://svnweb.freebsd.org/base?view=revision&sortby=date&revision=356020>(Modified
Sun Dec 22 19:06:45 2019 UTC),
everything works fine.
Does anyone have better workaround?

I'm poor at English, excuse me.
Thanks.
-- 
mtan (Minoru TANABE)
EMail  kotanabe3 at gmail.com