[clang] [clang]bytecode] Add degenerate pointers (PR #160086)

[Shafik Yaghmour via cfe-commits]

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@@ -145,7 +153,11 @@ class Pointer {
       return Int.Value + (Offset * elemSize());
     if (isFunctionPointer())
       return Fn.getIntegerRepresentation() + Offset;
-    return reinterpret_cast<uint64_t>(BS.Pointee) + Offset;
+    if (isDegenPointer())
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shafik wrote:

I am wondering why the degenerate case is not last, I would think that would be the least common result.

https://github.com/llvm/llvm-project/pull/160086