[llvm] [Verifier] Add LandingPad type checks (PR #87198)

[via llvm-commits]

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@@ -4378,6 +4378,29 @@ void Verifier::visitEHPadPredecessors(Instruction &I) {
   }
 }
 
+// Recursively extract types from the LandingPad type
+// Based on ComputeValueVTs
+static void linearizeLandingPadTypes(Type *Ty,
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AlexDenisov wrote:

This is effectively a copy of `ComputeValueVTs`, but without type conversion and offset calculation which depends on `TargetLowering information` and `DataLayout`.
Not sure where to put this code or whether there is some existing functionality I can reuse.

Better suggestions are highly appreciated!

https://github.com/llvm/llvm-project/pull/87198