kyua SIGBUS'ing with clang 3.7.0 (was FreeBSD_HEAD-tests - Build #1540 - Unstable)

[Baptiste Daroussin]

On Wed, Oct 07, 2015 at 12:52:34AM -0700, NGie Cooper wrote:
> 
> > On Oct 6, 2015, at 23:58, Dimitry Andric <dim at FreeBSD.org> wrote:
> > 
> > On 07 Oct 2015, at 05:44, NGie Cooper <yaneurabeya at gmail.com> wrote:
> >> 
> >>> 
> >>> On Oct 6, 2015, at 20:28, NGie Cooper <yaneurabeya at gmail.com> wrote:
> >>> 
> >>>> On Oct 6, 2015, at 16:13, jenkins-admin at freebsd.org wrote:
> >>>> 
> >>>> FreeBSD_HEAD-tests - Build #1540 - Unstable:
> >>>> 
> >>>> Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD-tests/1540/
> >>>> Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD-tests/1540/changes
> >>>> Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD-tests/1540/console
> >>>> 
> >>>> Change summaries:
> >>>> 
> >>>> No changes
> >>>> 
> >>>> 
> >>>> The failed test cases:
> >>> 
> >>> Looks like the clang upgrade broke atf/kyua package somehow:
> >>> 
> >>> $ pwd
> >>> /usr/tests/local
> >>> $ ./atf/atf-c++/build_test
> >>> Bus error
> >>> 
> >>> I’ll try building the package from ports.
> >> 
> >> Yup, works when built from scratch in ports. My guess is that lib/libc++ needs a major version bump:
> >> 
> >> 65208feb (dim      2012-06-02 11:00:48 +0000  13) SHLIB_MAJOR=  1
> > 
> > No, there is no intention to bump any lib versions.  That is something from the 90's. :-)
> 
> -_-..
> 
> > How do you reproduce this issue?  Do you have any core dumps?
> 
> sudo bash
> pkg install -y kyua
> kyua test /usr/tests/local/atf/atf-c++/build_test
> 
> As far as core dumps? Yeah.. I can post one tomorrow (I’m testing out some things right now and I’d rather not interrupt it). Key piece is that if I use the package from pkg.FreeBSD.org it cores, but if I build it myself from ports, everything’s fine and dandy.
> 

Which means there is an ABI incompatiblity somewhere which needs to be fixed!

Best regards,
Bapt
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