[libc++][ranges] Addresses LWG3759

  LWG3759 ranges::rotate_copy should use std::move

This has been one in the initial version (D127211).

Reviewed By: #libc, ldionne

Differential Revision: https://reviews.llvm.org/D142813

GitOrigin-RevId: 6b4bb103db37ec11507bf3f3fa26731bd16501a5
1 file changed