[llvm] [AVR] Fix for issue #163015, occasional corruption in stack passed params (PR #164001)

[Ben Shi via llvm-commits]

benshi001 wrote:

> Hi @mshockwave @benshi001 are we anywhere near getting this signed off and merged? It's not a very big PR and it would be a shame if it just ends up in limbo.
> 
> I've got one or two more AVR PRs I wanted to try and get in after this one, before I step back from AVR.
> 
> C

Though I am the maintainer of the AVR part, I have to respect other reviewer's suggestion, if @mshockwave didn't response by Friday, I will merge it. 

@mshockwave  what's your opinion?

https://github.com/llvm/llvm-project/pull/164001