[clang] [Clang] [C++26] Expansion Statements (Part 1: AST) (PR #169680)

[via cfe-commits]

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@@ -5499,6 +5499,165 @@ class BuiltinBitCastExpr final
   }
 };
 
+/// Represents an expansion-init-list of an enumerating expansion statement.
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Sirraide wrote:

_expansion-init-list_ is a production in the [grammar](https://eel.is/c++draft/stmt.expand#1), but I can add an example here if that helps

https://github.com/llvm/llvm-project/pull/169680