[clang] [clang][bytecode] Apply pointer casts to opaque pointers (PR #223607)

[Oliver Hunt via cfe-commits]

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@@ -1989,6 +1998,53 @@ bool CheckBitCast(InterpState &S, CodePtr OpPC, const Type *TargetType,
   return true;
 }
 
+bool PtrPtrCast(InterpState &S, CodePtr OpPC, bool SrcIsVoidPtr,
+                const Type *TargetType) {
+  const auto &Ptr = S.Stk.peek<Pointer>();
+
+  if (SrcIsVoidPtr && S.getLangOpts().CPlusPlus) {
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ojhunt wrote:

My reading of these diagnostics is that it's just the body of the old PtrPtrCast

https://github.com/llvm/llvm-project/pull/223607