Jenkins build is still unstable: FreeBSD_HEAD-tests2 #867

[Dimitry Andric]

On 22 Mar 2015, at 23:04, Garrett Cooper <yaneurabeya at gmail.com> wrote:
> 
> On Mar 22, 2015, at 15:01, Craig Rodrigues <rodrigc at FreeBSD.org> wrote:
> 
> ...
> 
>> OK, converting expr.y to use unsigned integers would require a bit of work.
>> 
>> Can you commit your patch to the Makefile?  It fixes the problem for now.
> 
> +1
> 
> I’d still like to know why clang 3.5 doesn’t have this behavior though — 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

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 194 bytes
Desc: Message signed with OpenPGP using GPGMail
URL: <http://lists.freebsd.org/pipermail/freebsd-current/attachments/20150322/45ad15f0/attachment.sig>