[PATCH] D32654: Fix AliasSetTracker bug

[Piotr Padlewski via Phabricator via llvm-commits]

Prazek added a comment.

In https://reviews.llvm.org/D32654#741104, @sanjoy wrote:

> Hi Piotr,
>
> I've been looking at this bug too.  Unfortunately changing the cast to `dyn_cast_or_null` is not sufficient -- once the ValueHandle has been RAUW'ed to something else, you've lost the instruction, and so you have an incomplete list of `UnknownInsts`.


I haven't got that deep into that. Are you working on it right now, or do you have some ideas how to fix it?


https://reviews.llvm.org/D32654