bin/43255: sh -n -c doesn't work

[dholland%eecs.harvard.edu@localhost]

>Number:         43255
>Category:       bin
>Synopsis:       sh -n -c doesn't work
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed May 05 04:45:00 +0000 2010
>Originator:     David A. Holland
>Release:        NetBSD 5.99.22 (20091208)
>Organization:
>Environment:
System: NetBSD tanaqui 5.99.22 NetBSD 5.99.22 (TANAQUI) #31: Tue Dec 8 22:53:35 
EST 2009 dholland@tanaqui:/usr/src/sys/arch/i386/compile/TANAQUI i386
Architecture: i386
Machine: i386

/bin/sh:
     $NetBSD: crt0.c,v 1.17 2007/12/01 10:16:06 yamt Exp $
     $NetBSD: alias.c,v 1.12 2003/08/07 09:05:29 agc Exp $
     $NetBSD: cd.c,v 1.39 2006/05/04 11:16:53 simonb Exp $
     $NetBSD: echo.c,v 1.14 2008/10/12 01:40:37 dholland Exp $
     $NetBSD: error.c,v 1.37 2008/10/16 14:36:40 dholland Exp $
     $NetBSD: eval.c,v 1.98 2009/10/07 18:12:11 christos Exp $
     $NetBSD: exec.c,v 1.42 2008/10/16 15:31:05 dholland Exp $
     $NetBSD: expand.c,v 1.83 2009/11/27 10:50:04 tsutsui Exp $
     $NetBSD: histedit.c,v 1.41 2008/02/13 12:57:16 joerg Exp $
     $NetBSD: input.c,v 1.42 2009/03/10 21:21:11 roy Exp $
     $NetBSD: jobs.c,v 1.68 2008/12/21 17:16:11 christos Exp $
     $NetBSD: mail.c,v 1.16 2003/08/07 09:05:33 agc Exp $
     $NetBSD: main.c,v 1.53 2009/01/18 00:30:54 lukem Exp $
     $NetBSD: memalloc.c,v 1.29 2008/02/15 17:26:06 matt Exp $
     $NetBSD: miscbltin.c,v 1.38 2009/03/29 01:02:49 mrg Exp $
     $NetBSD: mystring.c,v 1.16 2003/08/07 09:05:35 agc Exp $
     $NetBSD: options.c,v 1.41 2009/01/18 00:30:54 lukem Exp $
     $NetBSD: parser.c,v 1.74 2009/01/18 00:30:54 lukem Exp $
     $NetBSD: redir.c,v 1.30 2008/01/21 06:43:03 msaitoh Exp $
     $NetBSD: show.c,v 1.26 2003/11/14 10:46:13 dsl Exp $
     $NetBSD: trap.c,v 1.34 2008/02/15 17:26:06 matt Exp $
     $NetBSD: output.c,v 1.31 2008/10/31 14:38:42 christos Exp $
     $NetBSD: var.c,v 1.39 2008/10/16 14:36:40 dholland Exp $
     $NetBSD: test.c,v 1.37 2008/09/10 19:00:51 christos Exp $
     $NetBSD: kill.c,v 1.26 2009/10/01 09:24:38 spz Exp $
     $NetBSD: syntax.c,v 1.2 2007/12/12 22:55:43 lukem Exp $
     $NetBSD: arith.y,v 1.19 2009/11/13 13:49:09 gson Exp $
     $NetBSD: arith_lex.l,v 1.15 2009/10/29 14:21:40 christos Exp $
     $NetBSD: printf.c,v 1.34 2009/10/13 19:28:31 christos Exp $

>Description:

sh -n doesn't work with sh -c. sh -n is documented as working when not
interactive; -c is not interactive.

>How-To-Repeat:

% sh -n -c 'ls /bad'
ls: /bad: No such file or directory
Exit 1

>Fix:

probably trivial