JSSpecCompiler: Elide nested TreeList nodes

Author: https://github.com/DanShaders
Commit: 14a86c8fd6
Pull-request: https://github.com/SerenityOS/serenity/pull/21263
Reviewed-by: https://github.com/gmta ✅

Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/AST/ASTPrinting.cpp

@@ -129,7 +129,7 @@ void IfElseIfChain::dump_tree(StringBuilder& builder)
 void TreeList::dump_tree(StringBuilder& builder)
 {
     dump_node(builder, "TreeList");
-    for (auto const& expression : m_expressions)
+    for (auto const& expression : m_trees)
         expression->format_tree(builder);
 }