[PATCH] D32654: Fix AliasSetTracker bug

[Piotr Padlewski via Phabricator via llvm-commits]

Prazek added a comment.

In https://reviews.llvm.org/D32654#741128, @sanjoy wrote:

> Yes, we need a VH that does not track RAUW but nulls itself out on deletion.  I had a fix that I had to revert and I'm currently working on figuring out a way to reland it.


Awesome, I will wait with the ConstantFolder patch that breaks then


https://reviews.llvm.org/D32654