Date: Wed, 24 Oct 2012 23:08:44 +0200 From: Jan Beich <jbeich@tormail.org> To: Dimitry Andric <dim@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, Marcel Moolenaar <marcel@FreeBSD.org>, src-committers@freebsd.org Subject: Re: svn commit: r241823 - in head: . etc etc/atf etc/mtree lib lib/atf lib/atf/libatf-c lib/atf/libatf-c++ libexec libexec/atf libexec/atf/atf-check share share/atf share/doc share/doc/atf share/exampl... Message-ID: <1TR8C0-000OzE-Es@internal.tormail.org> In-Reply-To: <1TR43g-000Bu7-4L@internal.tormail.org> (Dimitry Andric's message of "Wed, 24 Oct 2012 18:44:23 %2B0200") References: <201210220118.q9M1Ifh5098857__14926.3614825488$1350868751$gmane$org@svn.freebsd.org> <1TQC0L-000AZG-Q5@internal.tormail.org> <1TQFrW-0008DN-S8@internal.tormail.org> <1TQJtx-000C9z-I6@internal.tormail.org> <50865DF3.7060302@FreeBSD.org> <1TR43g-000Bu7-4L@internal.tormail.org>
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Dimitry Andric <dim@FreeBSD.org> writes: > On 2012-10-23 11:05, Dimitry Andric wrote: > >> On 2012-10-22 16:58, Jan Beich wrote: >>> Dimitry Andric <dim@FreeBSD.org> writes: >>>> On 2012-10-22 09:00, Jan Beich wrote: >> ... >>>>> undefined reference to `std::__1::basic_ios<char, >>>>> std::__1::char_traits<char> >::clear(unsigned int)' >>>>> clang++: error: linker command failed with exit code 1 (use -v to >>>>> see invocation) >>>> Strange, for me it compiles (with a bunch of warnings, which I have >>>> fixed locally), and links just fine. However, I always use -std=c++11, >>>> which -std= flag are you using, if any? >>> Adding -std=c++11 doesn't help. Neither yours or Garrett's patches. >>> Instead, removing local -finline-functions (implied by -O3) does. >> With clang, -O3 does not imply -finline-functions, but it may have some >> influence on the threshold for inlining. >> >> This error is still very strange though, and it might be a real bug in >> the optimizer at -O3; at this level, it really seems to generate a call >> to a function that is declared inline, with the __always_inline >> attribute. > > I have cherry-picked r165367 from the llvm trunk, which should fix this > issue, and committed it into our head r242007. > > Can you please retry your buildworld with the -O3 flag after updating to > at least that revision? As of r242014, atf-run builds fine with -O3 and libc++ for me. Thanks. > > I will also MFC the fix to stable/9 later on.
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