Date: Sun, 22 Mar 2015 23:09:40 +0100 From: Dimitry Andric <dim@FreeBSD.org> To: Garrett Cooper <yaneurabeya@gmail.com> Cc: "freebsd-testing@freebsd.org" <freebsd-testing@freebsd.org>, freebsd-current Current <freebsd-current@freebsd.org>, "jenkins-admin@freebsd.org" <jenkins-admin@freebsd.org>, freebsd-toolchain@freebsd.org Subject: Re: Jenkins build is still unstable: FreeBSD_HEAD-tests2 #867 Message-ID: <72ABF177-320F-4CB1-8B05-36B133714C55@FreeBSD.org> In-Reply-To: <08BB20A2-7B71-4ECF-B246-F3096CABA5E9@gmail.com> References: <1669399171.13.1427029129760.JavaMail.jenkins@jenkins-9.freebsd.org> <799490341.14.1427048792932.JavaMail.jenkins@jenkins-9.freebsd.org> <CAG=rPVeyamLPnC5i05_=Ub0D%2BV256U_8t8R5tfDitC=NkjBOFQ@mail.gmail.com> <BE5A3694-E1D1-4A47-8707-D6214E997363@FreeBSD.org> <494AEF4B-0AF8-449A-9B41-9AC4F4552AF0@FreeBSD.org> <CAG=rPVchdm_VaTshq%2BRN%2BkHX0YC0_Tsx22oJVNNnoOamdm00mQ@mail.gmail.com> <864EB4DB-2DF7-4294-9498-95E54E6B49CC@FreeBSD.org> <CAG=rPVdP_TAmerKh_82EravEw=sCj4LyEBu-NfGCK0Obg=HMVw@mail.gmail.com> <08BB20A2-7B71-4ECF-B246-F3096CABA5E9@gmail.com>
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--Apple-Mail=_6336E6D8-6C10-4D78-BE7A-09B4801AA740 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On 22 Mar 2015, at 23:04, Garrett Cooper <yaneurabeya@gmail.com> wrote: >=20 > On Mar 22, 2015, at 15:01, Craig Rodrigues <rodrigc@FreeBSD.org> = wrote: >=20 > ... >=20 >> OK, converting expr.y to use unsigned integers would require a bit of = work. >>=20 >> Can you commit your patch to the Makefile? It fixes the problem for = now. >=20 > +1 >=20 > I=92d still like to know why clang 3.5 doesn=92t have this behavior = though =97 there might be other potential issues lurking around that = need to be solved (either here, in ports, or both). Because this version optimizes better around undefined behavior. There are most likely many issues lurking around, and most certainly in ports. I would recommend using UBSan to tackle this kind of thing. -Dimitry --Apple-Mail=_6336E6D8-6C10-4D78-BE7A-09B4801AA740 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.27 iEYEARECAAYFAlUPPbEACgkQsF6jCi4glqO+EQCfRV0coLqzbq/b7W2YbXnWWhiA wwUAnjhvUfeCwftSkCrah8o/tttHyjk3 =PUdl -----END PGP SIGNATURE----- --Apple-Mail=_6336E6D8-6C10-4D78-BE7A-09B4801AA740--
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