[libcxx-commits] [libcxx] [libcxx][test-support] Implement fancy_pointer_allocator (PR #196187)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne requested changes to this pull request.

Thanks for the patch! I have some questions before I dive into the fancy pointer allocator.

https://github.com/llvm/llvm-project/pull/196187