bin/53323: vi aborts when editing attached file containing emoji

[coypu%sdf.org@localhost]

>Number:         53323
>Category:       bin
>Synopsis:       vi aborts when editing attached file containing emoji
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon May 28 03:35:00 +0000 2018
>Originator:     coypu
>Release:        NetBSD 8.99.17
>Organization:
>Environment:
NetBSD planets 8.99.17 NetBSD 8.99.17 (GENERIC) #4: Sat May 19 12:16:35 IDT 2018  fly@planets:/home/fly/obj/sys/arch/amd64/compile/GENERIC amd64

>Description:

>How-To-Repeat:
fly@planets ~> locale
LANG=""
LC_CTYPE="en_US.UTF-8"
LC_COLLATE="C"
LC_TIME="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_ALL="en_US.UTF-8"

Fetch this file: http://coypu.sdf.org/nvi-crasher
vi nvi-crasher
Press right arrow.
>Fix: