{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
        let ty = self.check_expr_with_needs(expr, needs);
        let needs = if is_input { Needs::None } else { Needs::MutPlace };
        self.require_type_is_sized(ty, expr.span, ObligationCauseCode::InlineAsmSized);