llvm-project

60b6f43e - [libc++][ranges] LWG4001: `iota_view` should provide `empty` (#79687)

[libc++][ranges] LWG4001: `iota_view` should provide `empty` (#79687) Implements: https://wg21.link/LWG4001 - https://eel.is/c++draft/range.iota.view --------- Co-authored-by: Zingam <zingam@outlook.com> Co-authored-by: Will Hawkins <whh8b@obs.cr>