[patch] fix libstdc++/56267 - local iterator requirements

[Jonathan Wakely]

On 20 January 2014 21:11, François Dumont <frs.dumont@gmail.com> wrote:
> On 01/20/2014 04:53 PM, Jonathan Wakely wrote:
>
> With this new design couldn't we change the conditions that are used to
> decide when to cache the hash code. I haven't study it in detail but it
> looks like the default constructible constraint could be removed, no ?

Ah yes, I forgot about that part, I'll update the __cache_default
definition. Thanks.