[Patch, libstdc++/64239] Use std::swap instead of swap in regex

[Jonathan Wakely]

On 08/01/15 11:44 -0800, Tim Shen wrote:
>On Wed, Jan 7, 2015 at 4:39 AM, Jonathan Wakely <jwakely@redhat.com> wrote:
>> No blank line here in the ChangeLog.
>
>Done.
>
>> This is swapping iterators, which can be user-defined types, so it
>> should support finding a swap function by ADL, i.e.
>
>Done.
>
>> Also, there should be a new test, since apparently we don't have any
>> test that tries to call match_results::swap(match_results&).
>
>Done.

Thanks - OK for trunk and 4.9.