bin/42372: gdb dumps core on line edit

[yamt%NetBSD.org@localhost]

>Number:         42372
>Category:       bin
>Synopsis:       gdb dumps core on line edit
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Nov 24 15:30:00 +0000 2009
>Originator:     YAMAMOTO Takashi
>Release:        NetBSD-current around 20091018,
>Organization:
        
>Environment:
        
        
        amd64
>Description:
        gdb dumps core on a certain input sequence.

ushi% gdb
GNU gdb 6.5
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64--netbsd".
(gdb) zsh: segmentation fault (core dumped)  gdb
ushi% 

>How-To-Repeat:
        1. echo "set editing-mode vi" > ~/.inputrc
        2. launch gdb
        3. on (gdb) prompt, hit "ESC ESC i t"
>Fix:
        

>Unformatted: