[PATCH] libstdc++: Fix use of inaccessible private member in split_view (PR93936)

[Jonathan Wakely]

On 26/02/20 08:37 -0500, Patrick Palka wrote:
>We are calling _OuterIter::__current from _InnerIter::operator==, but the former
>is private within this non-member friend.  Fix this by calling
>_OuterIter::operator== instead, which does the right thing here.
>
>libstdc++-v3/ChangeLog:
>
>	PR libstdc++/93936
>	* include/std/ranges (split_view::_InnerIter::operator==): Compare
>	the operands' _M_i rather than their _M_i.current().
>	* testsuite/std/ranges/adaptors/split.cc: Augment test.

OK thanks.