Index: src/AST/Stmt.hpp
===================================================================
--- src/AST/Stmt.hpp	(revision 6cebfefc948a4195311c8d0203ba01ed9c1a1bb3)
+++ src/AST/Stmt.hpp	(revision 52d25458fc51a0cae48e1f9ff4ff4bec2c9ab004)
@@ -175,4 +175,5 @@
 class CaseStmt final : public Stmt {
 public:
+	/// Null for the default label.
 	ptr<Expr> cond;
 	std::vector<ptr<Stmt>> stmts;