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From: Bart Schaefer <schaefer@brasslantern.com>
Date: Sat, 17 Sep 2016 21:37:11 -0700
Message-ID: <CAH+w=7YtacLo6aY9gT5V27xYbh-wz0Tot1kbPxBiWN1ZXpavRA@mail.gmail.com>
Subject: Re: Strange parameter visibility
To: Zsh Users <zsh-users@zsh.org>
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On Sat, Sep 17, 2016 at 6:42 PM, Eric Cook <llua@gmx.com> wrote:
>
> It's a normal assignment just like the x=1. the weirdness is zsh
> optimizing out a fork in the pipeline, so the scope of the
> reassignment wasn't just a subshell.

I have to conclude that's a bug -- it's OK to optimize out the fork,
but not to optimize out its side effects (or cause new ones).