[clang] [llvm] [SPIRV][RFC] Rework / extend support for memory scopes (PR #106429)

[Vyacheslav Levytskyy via llvm-commits]

VyacheslavLevytskyy wrote:

With the full respect to @AlexVlx work I created https://github.com/llvm/llvm-project/pull/108528 just as an utility to discuss and agree about memory scoped issues.

https://github.com/llvm/llvm-project/pull/106429