[llvm-branch-commits] [llvm] [llvm-reduce] Run AssignGUIDPass when loading BC (PR #208965)

[Aiden Grossman via llvm-branch-commits]

boomanaiden154 wrote:

> Do we know why it might not have GUID metadata? Is it a reducer artifact? I.e. should the reducer know not the remove GUID if present?

I ran into this error with ThinLTO BC straight out of clang in a distributed ThinLTO setup. I'm still not sure why GUIDs were not fully present, but they were missing from somewhere.

> Why would it? I don't even know what this is. It's not the default

It should be the default after some recent changes.

https://github.com/llvm/llvm-project/pull/208965