[llvm] Clean up after transition into opaque pointers. NFC (PR #102631)

[Nikita Popov via llvm-commits]

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@@ -1244,8 +1244,7 @@ static llvm::Function *createCatchWrappedInvokeFunction(
   llvm::Value *unwindExceptionClass =
       builder.CreateLoad(builder.CreateStructGEP(
           ourUnwindExceptionType,
-          builder.CreatePointerCast(unwindException,
-                                    ourUnwindExceptionType->getPointerTo()),
+          builder.CreatePointerCast(unwindException, builder.getPtrTy()),
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nikic wrote:

Also drop the pointer cast.

https://github.com/llvm/llvm-project/pull/102631