[clang] Suppress noreturn warning if last statement in a function is a throw (PR #145166)

[Nikolas Klauser via cfe-commits]

philnik777 wrote:

I feel like this is a solution that can grow out of hand very easily. IMO the better solution would be to have `-Wmissing-noreturn` place a `[[noreturn]]` into the AST to avoid incorrect follow-up diagnostics.

https://github.com/llvm/llvm-project/pull/145166