Date: Tue, 29 May 2012 08:46:31 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Randy Bush <randy@psg.com> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: clang tautology Message-ID: <4FC470C7.5080700@FreeBSD.org> In-Reply-To: <m2ehq3snv5.wl%randy@psg.com> References: <m2ehq3snv5.wl%randy@psg.com>
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On 2012-05-29 04:49, Randy Bush wrote:> trying a clang buildworld and get a bunch of > > /usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcc/config/i386/i386.md:4249:29: warning: self-comparison always evaluates to false [-Wtautological-compare] > && (TARGET_64BIT || DImode != DImode)) > ^ > 12 warnings generated. > > does not seem harmful, but cosmetically poor These are all warnings in gcc code that can be safely ignored. They will (most likely) never be fixed. If you're bothered a lot by them, we could crank down WARNS= for the gcc builds.
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