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Subject: Re: [boost] Boost Trac, random, No-Maintainer?
From: James E. King, III (jking_at_[hidden])
Date: 2017-10-10 16:27:31


On Mon, Oct 9, 2017 at 1:17 PM, Steven Watanabe via Boost <
boost_at_[hidden]> wrote:

> AMDG
>
> On 10/08/2017 08:00 AM, Peter Dimov via Boost wrote:
> > James E. King, III wrote:
> >
> >> For folks who like (potential) compiler optimization bugs:
> >> https://svn.boost.org/trac10/ticket/13247
> >
> > Looking at the source of independent_bits, this jumps out at me:
> >
> > S = (S << w0) + (u & y0_mask);
> >
> > and later
> >
> > S = (S << (w0 + 1)) + (u & y1_mask);
> >
> > Shifts with a value more than the number of bits are undefined, and
> > debugging confirms that w0 is 32 in the failing tests.
> >
>
> Fixed in develop.
>
> In Christ,
> Steven Watanabe
>
>
Any chance you could work the same magic on this one so I can enable the
"osx" builds in travis for the project?
It only happens on the OSX builds; not on Linux with clang or gcc.

https://svn.boost.org/trac10/ticket/13248


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