Arithmetic expansion in rediretion word is evaluated twice

From	Oğuz <oguzismailuysal@gmail.com>
Newsgroups	gnu.bash.bug
Subject	Arithmetic expansion in rediretion word is evaluated twice
Date	2020-06-01 22:34 +0300
Message-ID	<mailman.942.1591040053.2541.bug-bash@gnu.org> (permalink)
References	<CAH7i3LppMnJky1g3Fm5N-qDTzG3Oz54VLtcFrk185pf=OUA7rA@mail.gmail.com>

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See:

    $ unset foo
    $ : <$((foo+=42))
    bash: 84: No such file or directory
    $ echo $foo
    84

Reproducible on 4.4.20 and 5.0.11, couldn't try on development version
because since the last push it doesn't compile


-- 
Oğuz

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Arithmetic expansion in rediretion word is evaluated twice Oğuz <oguzismailuysal@gmail.com> - 2020-06-01 22:34 +0300

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