Re: zsh 5.3.1 crashes on completion

[ChenYao <chenyao@xxxxxxxxxxx>]

 I find that "setopt histignorealldups" in my zshrc causes the crash.

Reproduce from "zsh -f”:

# setopt histignorealldups
# echo $ZSH_VERSION
# `r`<press tab here, then crash>

Screenshot: http://imgur.com/hK9CP9R <http://imgur.com/hK9CP9R>

> On May 13, 2017, at 12:16 AM, Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx> wrote:
> 
> Bart Schaefer wrote on Thu, May 11, 2017 at 14:19:03 -0700:
>> On May 11, 10:35am, ChenYao wrote:
>> }
>> } It seems that zsh is attempting to double free memory when
>> } autocompleting `fc` or `r`. And it causes zsh crash.
>> 
>> I'm NOT able to reproduce this from "zsh -f" with the most recent git
>> checkout.
>> 
>> Completing after an expression in backticks
> 
> I parsed ChenYao's backticks as quotation marks, so I thought he was
> talking about completion either at
> 
>    LBUFFER="r" RBUFFER=""
> 
> or at
> 
>    LBUFFER="r " RBUFFER=""
> 
> .
> 
> ChenYao: can you show us the exact partial command that has been entered
> when you invoke completion and provoke the crash?  Best show it on
> a line by itself so there is no ambiguity.  Thanks.
> 
>