[llvm-branch-commits] [llvm] [NFC][AMDGPU] Fix scratch address materialization in SVS frame index fallback (PR #208624)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

It can't be a "Fix" and "NFC". If this is a fix there's a missing test change 

https://github.com/llvm/llvm-project/pull/208624