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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <150616120512.ZM27031@torch.brasslantern.com>
Date: Tue, 16 Jun 2015 12:05:12 -0700
In-Reply-To: <150615202431.ZM25744@torch.brasslantern.com>
Comments: In reply to Bart Schaefer <schaefer@brasslantern.com>
        "Re: Read-only variables in emulation mode" (Jun 15,  8:24pm)
References: <CAFaJEqs=P7yB-VGk=gJB2jzRf7zNiDkCuWWRADyY_xb52hGb_w@mail.gmail.com> 
	<131216114013.ZM25877@torch.brasslantern.com> 
	<131217223651.ZM20980@torch.brasslantern.com> 
	<20131218192816.047ab5f5@pws-pc.ntlworld.com> 
	<131218235723.ZM4638@torch.brasslantern.com> 
	<CAHYJk3QtwxXabmsuYz_D-EcWSkmhLn_XWkPUnhiOU7VDdZLTPg@mail.gmail.com> 
	<150615202431.ZM25744@torch.brasslantern.com>
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To: zsh workers <zsh-workers@zsh.org>
Subject: Re: Read-only variables in emulation mode
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On Jun 15,  8:24pm, Bart Schaefer wrote:
}
} On Jun 16,  2:10am, Mikael Magnusson wrote:
} }
} } % echo hi; _=foo; echo $_
} } hi
} } hi
} 
} That's actually a bug -- the assignment _=foo should erase $_ , I think.

Anybody see a problem with this?

diff --git a/Src/exec.c b/Src/exec.c
index daed3b1..35a101b 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -1115,6 +1115,7 @@ execsimple(Estate state)
     if (code == WC_ASSIGN) {
 	cmdoutval = 0;
 	addvars(state, state->pc - 1, 0);
+	setunderscore("");
 	if (isset(XTRACE)) {
 	    fputc('\n', xtrerr);
 	    fflush(xtrerr);