[llvm] [Asan][RISCV] Teach AddressSanitizer to support indexed load/store. (PR #100930)

[Vitaly Buka via llvm-commits]

https://github.com/vitalybuka requested changes to this pull request.

Let's extract refactoring into a separate PR after rebase, we can review this one

https://github.com/llvm/llvm-project/pull/100930