[clang] [CIR] Handle return with cleanups (PR #163849)

[Amr Hesham via cfe-commits]

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@@ -28,6 +28,46 @@ using namespace clang::CIRGen;
 // CIRGenFunction cleanup related
 //===----------------------------------------------------------------------===//
 
+/// Build a unconditional branch to the lexical scope cleanup block
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AmrDeveloper wrote:

```suggestion
/// Build an unconditional branch to the lexical scope cleanup block
```

https://github.com/llvm/llvm-project/pull/163849