[clang] [CIR] Implement partial array destroy handling (PR #190834)

[Henrich Lauko via cfe-commits]

xlauko wrote:

Maybe worth adding `SingleBlockImplicitTerminator<YieldOp>` to omit implicit Yield everywhere? or can other terminator be used?

Also `SingleBlock` trait probably also applies here?

https://github.com/llvm/llvm-project/pull/190834