[clang] [Clang] support storage-class specifiers in C23 compound literals (PR #212559)

[Oleksandr Tarasiuk via cfe-commits]

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@@ -3644,29 +3644,41 @@ class MemberExpr final
   }
 };
 
-/// CompoundLiteralExpr - [C99 6.5.2.5]
+/// CompoundLiteralExpr - [C99 6.5.2.5, C23 6.5.3.6]
 ///
 class CompoundLiteralExpr : public Expr {
+public:
+  enum class ScopeKind { Block, File, ParameterList };
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a-tarasyuk wrote:

Your reading is correct. `ParameterList` was only used internally to manage cleanup timing for compound literals in parameter bounds, not as a separate semantic scope.

https://github.com/llvm/llvm-project/pull/212559