28e399fa1e
This commit deprecates <experimental/memory_resource> since we now ship the non-experimental version of it. Per the libc++ policy [1], we are deprecating the experimental feature in upcoming LLVM 16 and will remove it entirely in LLVM 18. [1]: https://libcxx.llvm.org/DesignDocs/ExperimentalFeatures.html#id4 Reviewed By: ldionne, #libc Spies: EricWF, libcxx-commits Differential Revision: https://reviews.llvm.org/D136245