[regex, libstdc++/71500, patch] Fix icase on bracket expression

[Jonathan Wakely]

On 11/06/16 11:46 -0700, Tim Shen wrote:
>On Sat, Jun 11, 2016 at 5:01 AM, Jonathan Wakely wrote:
>> N.B. The "typename" and "::type" are redundant here, because it names
>> the same type as the integral_constant itself, and you could
>> use __bool_constant<__collate> instead:
>>
>>         return _M_transform_impl(_M_translate(__ch),
>>                                 __bool_constant<__collate>());
>>
>> OK for trunk without the redundant typename ...::type, your choice
>> whether to use __bool_constant or not.
>
>Thanks! I was looking at std::bool_constant but that's in C++17.
>__bool_constant is even better. :)
>
>>
>> Will this fix apply cleanly to the branches too?
>>
>
>For gcc6 yes; for gcc5 there needs more work. I guess it's OK for
>backporting to gcc6?

Yes, OK for trunk and gcc-6-branch, thanks.