Date: Wed, 26 Feb 2014 16:57:46 -0800 (PST) From: Don Lewis <truckman@FreeBSD.org> To: imb@protected-networks.net Cc: freebsd-current@FreeBSD.org Subject: Re: firebox build fails post clang-3.4 merge Message-ID: <201402270057.s1R0vkjH084327@gw.catspoiler.org> In-Reply-To: <530E35F4.1090909@protected-networks.net>
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On 26 Feb, Michael Butler wrote: > On 02/18/14 12:10, Michael Butler wrote: >> Is anyone else seeing firefox failing to install after the clang-3.4 >> merge? As in xpcshell dumping core .. > > An update .. > > Recompiling with GCC48 on -current yields the same result. Seems to run > correctly when invoked from the command-line but seg-faults with "errno > = 4" (invalid instruction) from the build > > Giving up and using the Linux port .. :-( I've also seen this problem with clang-3.4 on i386. It looks like a clang bug to me. Clang is putting ud2 instructions in its output which are guaranteed to fault when it compiles nsAppRunner.cpp. See <http://www.freebsd.org/cgi/query-pr.cgi?pr=187103>. I tried compiling the offending file with gcc46 and didn't see the problem in the assembly output.
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