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From: Giuseppe Scrivano <gscrivano@gnu.org>
To: Nicolas Pitre <nico@fluxnic.net>
Cc: Jeff King <peff@peff.net>,
	git@vger.kernel.org,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Sverre Rabbelier <srabbelier@gmail.com>
Subject: Re: [PATCH] Remove various dead assignments and dead increments found by the clang static analyzer
Date: Sun, 27 Sep 2009 10:21:17 +0200	[thread overview]
Message-ID: <874oqokdc2.fsf@master.homenet> (raw)
In-Reply-To: <alpine.LFD.2.00.0909262038470.4997@xanadu.home> (Nicolas Pitre's message of "Sat, 26 Sep 2009 20:41:35 -0400 (EDT)")

Nicolas Pitre <nico@fluxnic.net> writes:

> And the compiler (at least gcc) is indeed smart enough to realize that 
> nothing uses the result from the last statement, and does optimize away 
> the code associated to it already.  So this patch is unlikely to change 
> anything to the compiled result.

Right, and gcc can do many other amazing things.  But still it is used a
variable that is never accessed, removing it can make the code slightly
more readable.

Cheers,
Giuseppe

      reply	other threads:[~2009-09-27  8:24 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-26 14:46 [PATCH] Remove various dead assignments and dead increments found by the clang static analyzer Giuseppe Scrivano
2009-09-26 15:58 ` Johannes Schindelin
2009-09-26 18:21   ` Giuseppe Scrivano
2009-09-26 18:34     ` Sverre Rabbelier
2009-09-26 18:46       ` Giuseppe Scrivano
2009-09-26 19:15       ` Giuseppe Scrivano
2009-09-26 19:28         ` René Scharfe
2009-09-26 20:39         ` Johannes Schindelin
2009-09-26 20:46         ` Jeff King
2009-09-26 21:03           ` Reece Dunn
2009-09-26 21:12             ` Jeff King
2009-09-26 21:20               ` Reece Dunn
2009-09-26 21:36                 ` Jeff King
2009-09-26 21:46                   ` Reece Dunn
2009-09-26 21:42                 ` Giuseppe Scrivano
2009-09-27  0:41           ` Nicolas Pitre
2009-09-27  8:21             ` Giuseppe Scrivano [this message]

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