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Date: Fri, 12 Sep 2014 16:49:18 +0200
From: Tijl Coosemans <tijl@FreeBSD.org>
To: Andrey Chernov <ache@freebsd.org>
Subject: Re: Can't build lang/gcc port on i386: segmentation fault
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Cc: ports@FreeBSD.org, Gerald Pfeifer <gerald@pfeifer.com>
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On Fri, 12 Sep 2014 18:43:09 +0400 Andrey Chernov <ache@freebsd.org> wrote:
> On 12.09.2014 18:23, Tijl Coosemans wrote:
>>> With MAKE_JOBS_UNSAFE error finally shown in proper place, but remains 
>>> (it was misplaces in original lang/gcc report too, different file compiled 
>>> in the log, not O2g.gch):
>> 
>> 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.