[PATCH] PR c++/80544 strip cv-quals from cast results

[Nathan Sidwell]

On 05/23/2017 01:56 PM, Jonathan Wakely wrote:
> On 18/05/17 13:44 -0400, Nathan Sidwell wrote:

>> References can't be CV qualified, so the REFERENCE_TYPE check seems 
>> superfluous?
> 
> True. I did it because that matches the semantics of the cast
> according to the standard, but it isn't needed here. Is it worth
> keeping anyway, to avoid a redundant call to cv_unqualified?

I don't think it's worth checking.

> It also occurs to me that checking for !CLASS_TYPE_P (type) isn't
> needed in build_const_cast_1 because you can't const_cast to a class
> type, only reference or pointer types.

true.

nathan

-- 
Nathan Sidwell