[clang] [CIR] Add support for array cleanups (PR #150499)

[Henrich Lauko via cfe-commits]

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@@ -29,6 +29,7 @@ struct LoweringPreparePass : public LoweringPrepareBase<LoweringPreparePass> {
   void runOnOp(mlir::Operation *op);
   void lowerCastOp(cir::CastOp op);
   void lowerUnaryOp(cir::UnaryOp op);
+  void lowerArrayDtor(ArrayDtor op);
   void lowerArrayCtor(ArrayCtor op);
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xlauko wrote:

```suggestion
  void lowerArrayDtor(cir::ArrayDtor op);
  void lowerArrayCtor(cir::ArrayCtor op);
```

https://github.com/llvm/llvm-project/pull/150499