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Date:      Sat, 13 Sep 2014 00:49:11 +0400
From:      Andrey Chernov <ache@freebsd.org>
To:        Tijl Coosemans <tijl@FreeBSD.org>
Cc:        ports@FreeBSD.org, Gerald Pfeifer <gerald@pfeifer.com>
Subject:   Re: Can't build lang/gcc port on i386: segmentation fault
Message-ID:  <54135C47.4010804@freebsd.org>
In-Reply-To: <20140912164918.31e008d5@kalimero.tijl.coosemans.org>
References:  <5412D743.70005@freebsd.org>	<alpine.LSU.2.11.1409121400460.2669@tuna.site>	<5412E4A1.7040101@freebsd.org>	<5412E64E.7050701@freebsd.org>	<alpine.LSU.2.11.1409121436401.2669@tuna.site>	<5412EFED.9000100@freebsd.org>	<5412F480.8070100@freebsd.org>	<20140912162342.2e6d557f@kalimero.tijl.coosemans.org>	<5413067D.5050407@freebsd.org> <20140912164918.31e008d5@kalimero.tijl.coosemans.org>

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On 12.09.2014 18:49, Tijl Coosemans wrote:
>>> Can you try with NO_CPU_CFLAGS=yes
>>
>> It works!
>> But CPU optimizations are gone...
> 
> Then I suspect clang produces a 64 bit instruction somewhere with
> -march=core2.  Maybe toolchain@ would be interested in debugging this
> further.

I contact toolchain@ related to this subj, providing core file, etc.
It works on -current, amd64, -march=core2 combination (on better CPU),
so it either -stable or i386-specific clang bug. Alas, I don't have
-current, i386 machine with this CPU.

-- 
http://ache.vniz.net/



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