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From: David Sterba <dsterba@suse.cz>
To: Christian Hesse <mail@eworm.de>
Cc: Qu Wenruo <quwenruo@cn.fujitsu.com>, linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 1/1] btrfs-progs: fix compiler warning
Date: Wed, 4 Jun 2014 18:44:37 +0200	[thread overview]
Message-ID: <20140604164437.GA1903@twin.jikos.cz> (raw)
In-Reply-To: <20140604091926.37ad5ef2@leda.localdomain>

On Wed, Jun 04, 2014 at 09:19:26AM +0200, Christian Hesse wrote:
> > It seems to be related to default gcc flags from distribution?
> 
> Probably. I did compile with optimization, so adding -O2 may do the trick:
> 
> make CFLAGS="${CFLAGS} -O2" all

The warning appears with -O2, so the question is if gcc is not able to
reason about the values (ie. a false positive) or if there's a bug that
I don't see.

  reply	other threads:[~2014-06-04 16:44 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-03 11:29 [PATCH 1/1] btrfs-progs: fix compiler warning Christian Hesse
2014-06-03 16:52 ` David Sterba
2014-06-03 18:04   ` Christian Hesse
2014-06-04  6:48 ` Qu Wenruo
2014-06-04  7:19   ` Christian Hesse
2014-06-04 16:44     ` David Sterba [this message]
2014-06-05  8:59       ` Christian Hesse
2014-06-10 11:05         ` David Sterba
2014-06-03 11:37 Christian Hesse
2014-06-05  8:13 Christian Hesse

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