[PATCH v2] Let signbit use the builtin in C++ mode with gcc < 6.x (bug 22146)

[Joseph Myers]

On Tue, 17 Oct 2017, Gabriel F. T. Gomes wrote:

> On Tue, 17 Oct 2017, Gabriel F. T. Gomes wrote:
> 
> >OK.  I'm testing on powerpc64le and then I'll check this patch in on
> >Romain's behalf (with Romain as git author, as usual, and with the fixes to
> >the ChangeLog entry).
> 
> Now committed with the changes mentioned above, and with the bug number
> fixed in the commit headline.

Please make sure to mark the bug FIXED with target milestone set.

-- 
Joseph S. Myers
joseph@codesourcery.com