[clang] [clang] Reject __super when preceded by a scope specifier (PR #221492)

[Shengxin Pei via cfe-commits]

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@@ -544,6 +531,8 @@ features cannot lower the translation-unit ABI level;
 
 - Fixed a bug where top-level CV qualifiers (such as ``const``) were dropped from pointers modified by Microsoft pointer attributes (like ``__ptr32`` and ``__ptr64``) and WebAssembly's ``__funcref``.
 
+- Fixed a bug where we accepted __super being qualified by a scope specifier, causing codegen to fail elsewhere.
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TPPPP72 wrote:

```suggestion
- Fixed a bug where we accepted __super being qualified by a scope specifier, causing codegen to assertion fail elsewhere.
```

https://github.com/llvm/llvm-project/pull/221492