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

[Henrich Lauko via cfe-commits]

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@@ -230,6 +240,17 @@ static void lowerArrayDtorCtorIntoLoop(cir::CIRBaseBuilderTy &builder,
   op->erase();
 }
 
+void LoweringPreparePass::lowerArrayDtor(ArrayDtor op) {
+  CIRBaseBuilderTy builder(getContext());
+  builder.setInsertionPointAfter(op.getOperation());
+
+  mlir::Type eltTy = op->getRegion(0).getArgument(0).getType();
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xlauko wrote:

ArrayCtor asserts here `!cir::MissingFeatures::vlas()`, shouldn't it be asserted also here?

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