[clang] [CIR] Classify reference-to-pointer catch parameters in CIRGen (PR #229579)

[Andy Kaylor via cfe-commits]

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@@ -5098,6 +5154,26 @@ LogicalResult cir::TryOp::verify() {
   return success();
 }
 
+LogicalResult cir::TryOp::verifyRegions() {
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andykaylor wrote:

We're already doing some handler region verification in `TryOp::verify()`. I don't think we need a separate region verifier. Can you combine this with the existing verification?

https://github.com/llvm/llvm-project/pull/229579