From: "Maciej W. Rozycki" <macro@codesourcery.com>
To: <Paul_Koning@Dell.com>
Cc: <gingold@adacore.com>, <brobecker@adacore.com>,
<gdb-patches@sourceware.org>
Subject: Re: [RFA] Emit a warning for ineffective set VAR = EXP command
Date: Wed, 09 May 2012 15:38:00 -0000 [thread overview]
Message-ID: <alpine.DEB.1.10.1205091628060.11227@tp.orcam.me.uk> (raw)
In-Reply-To: <4B067100-86F0-4977-A6DC-CECB3F7C8B05@Dell.com>
On Wed, 9 May 2012, Paul_Koning@Dell.com wrote:
> > What do you mean by "work" here? I think a warning for "i++ * 2" is
> > expected as that's questionable use -- the result of the multiplication is
> > discarded. Did you mean anything else?
>
> You're right, but it does perform an assignment (to "i") so a message
> saying that the statement has no effect is not accurate. Then again,
> given that the statement doesn't make much sense, the fact that the
> message is not completely accurate isn't all that interesting -- unlike
> the simple "i++" it isn't a likely case in reality.
I think it's all right -- "might have no effect" is weaker than "has no
effect" and will draw one's attention in the case of a typo or suchlike.
Maciej
next prev parent reply other threads:[~2012-05-09 15:38 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-27 13:48 Tristan Gingold
2012-04-27 13:54 ` Pierre Muller
2012-04-27 16:09 ` Tom Tromey
2012-05-02 13:17 ` Tristan Gingold
2012-05-02 16:41 ` Doug Evans
2012-05-03 10:00 ` Tristan Gingold
2012-05-03 13:12 ` Doug Evans
2012-05-03 15:05 ` Joel Brobecker
2012-05-03 16:33 ` Doug Evans
2012-05-03 22:04 ` Joel Brobecker
2012-05-03 22:07 ` Doug Evans
2012-05-04 7:59 ` Tristan Gingold
2012-05-03 15:02 ` Joel Brobecker
2012-05-03 15:04 ` Tristan Gingold
2012-05-04 19:02 ` Maciej W. Rozycki
2012-05-07 10:30 ` Tristan Gingold
2012-05-07 19:36 ` Tom Tromey
2012-05-07 19:40 ` Paul_Koning
2012-05-07 20:38 ` Tom Tromey
2012-05-07 19:38 ` Joel Brobecker
2012-05-09 12:29 ` Tristan Gingold
2012-05-09 13:54 ` Paul_Koning
2012-05-09 14:10 ` Tristan Gingold
2012-05-09 14:12 ` Maciej W. Rozycki
2012-05-09 14:58 ` Paul_Koning
2012-05-09 15:38 ` Maciej W. Rozycki [this message]
2012-05-09 15:55 ` Paul_Koning
2012-05-09 14:17 ` Joel Brobecker
2012-05-10 14:11 ` Tristan Gingold
2012-05-08 6:06 ` Maciej W. Rozycki
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