[clang] [llvm] [AMDGPU] Added SRAMECC feature for gfx1250/1251 (PR #203313)

[Chinmay Deshpande via llvm-commits]

https://github.com/chinmaydd approved this pull request.

I think this makes sense. I'm going to leave it around for another day or so before merging to see if there's any objections.

https://github.com/llvm/llvm-project/pull/203313