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From: Oliver Kiddle <okiddle@yahoo.co.uk>
To: Zsh workers <zsh-workers@zsh.org>
Subject: r in completion function causes zsh abort
Date: Thu, 08 Nov 2012 11:25:23 +0100
Message-ID: <20378.1352370323@thecus.kiddle.eu>

After accidentally leaving a spurious `r' in a completion function, zsh
crashes with:

*** glibc detected *** zsh: double free or corruption (fasttop): 0x00000000022bc640 ***

It doesn't seem to occur directly from zsh -f but attempting to bisect
my options makes me suspect that there isn't a specific set that are
needed. Anyway, the following appears to reliably reproduce the problem:

zsh -f
autoload -U compinit;compinit
compdef r ty
setopt -09hwE
ty <tab>

Oliver