On Fri, Jan 16, 2015 at 4:23 PM, Jonathan Wakely <jwak...@redhat.com> wrote: > This replaces the current empty _Tuple_impl that terminates the > recursive inheritance hierarchy, instead adding the extra code to the > last base class that holds data so that the recursion terminates there > instead. > > The purpose of this is to avoid nested tuples having two instances of > the same _Tuple_impl<N> base class, which cannot be placed at the same > address and so take up space despite being empty. > > Tested x86_64-linux, committed to trunk.
This may have caused: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64695 -- H.J.
