[llvm] [Clang] [OMPIRBuilder] Add Assertion to Prevent Null Pointer Dereference in OpenMP IR Builder (PR #115506)

[Mariya Podchishchaeva via llvm-commits]

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@@ -6966,6 +6966,10 @@ static Function *emitTargetTaskProxyFunction(OpenMPIRBuilder &OMPBuilder,
     auto *ArgStructType =
         dyn_cast<StructType>(ArgStructAlloca->getAllocatedType());
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Fznamznon wrote:

I see that it does the same thing that is already done in the function but still, why can't we use a `cast` instead of `dyn_cast` + assert since it is how LLVM coding guidelines suggest to do?

https://github.com/llvm/llvm-project/pull/115506