{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"self.coerce(Some(expr),"}]}
                self.coerce(Some(expr), &ty, &target, CoerceNever::Yes)
            if let Some(target) = expected.only_has_type(&mut self.table) {
                    .expect("never-to-any coercion should always succeed")