[PATCH] D51393: Provide a method for generating deterministic IDs for pointers allocated in BumpPtrAllocator

[Artem Dergachev via Phabricator via cfe-commits]

NoQ added a comment.

In https://reviews.llvm.org/D51393#1218544, @george.karpenkov wrote:

> In fact, generating a single "long" seems even better.


`ptrdiff_t` seems to express what we're trying to say pretty accurately.


https://reviews.llvm.org/D51393