[llvm-branch-commits] [llvm] [AVR] Backport #118015 and #121498 (PR #125081)

[Nikita Popov via llvm-branch-commits]

nikic wrote:

It's not possible to backport this in this form, because the changes to shouldForceRelocation are ABI-breaking.

> so that the fixes can be pulled to rustc.

The LLVM 20 upgrade in Rust is already in progress, so this is not necessary.

https://github.com/llvm/llvm-project/pull/125081