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Date: Mon, 12 Sep 2016 23:25:22 +0000
From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: zsh-workers@zsh.org
Subject: Re: zsh heredoc crash
Message-ID: <20160912232522.GA16602@fujitsu.shahaf.local2>
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 <25855010.qczLe9GZ8n@kdudka-nb>
 <20160909173515.4cb8392e@pwslap01u.europe.root.pri>
 <160909180250.ZM19582@torch.brasslantern.com>
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Bart Schaefer wrote on Fri, Sep 09, 2016 at 18:02:50 -0700:
> This is because gethere() is looking for a *line* containing only the end
> token, even though the top of the call chain is parse_event(OUTPAR).  The
> desired end token is not passed down through par_sublist().

There seems to be a logic error in gethere():

	if (!errflag) {
	    /* Retain any user interrupt error */
	    errflag = ef | (errflag & ERRFLAG_INT);
	}

The assignment is equivalent to «errflag = ef;» due to the if()
condition.  It was added in ab09c24a49951b on the interrupt_abort
branch.