Correct the type aliasing problem, caused by aliases (of aliases)+

src/check_decl.cpp

@@ -387,6 +387,7 @@ void check_const_decl(CheckerContext *ctx, Entity *e, Ast *type_expr, Ast *init,
 	if (init != nullptr) {
 		Entity *entity = check_entity_from_ident_or_selector(ctx, init);
 		if (entity != nullptr && entity->kind == Entity_TypeName) {
+			// @TypeAliasingProblem
 			// NOTE(bill, 2022-02-03): This is used to solve the problem caused by type aliases
 			// being "confused" as constants
 			//