It seems the `Traits.md` file was turned into `Traits/_index.md` in https://reviews.llvm.org/D153291, causing links to `Traits.md` to no longer work (instead, `Traits` needs to be used).
It seems the `Traits.md` file was turned into `Traits/_index.md` in https://reviews.llvm.org/D153291, causing links to `Traits.md` to no longer work (instead, `Traits` needs to be used).