Further improve fcall speed
Further improve fcall speed

phalcon/zephir,sergeyklay/zephir,dreamsxin/zephir,vpg/zephir,sergeyklay/zephir,zephir-lang/zephir,dreamsxin/zephir,phalcon/zephir,sergeyklay/zephir,sjinks/zephir,sergeyklay/zephir,phalcon/zephir,sergeyklay/zephir,dreamsxin/zephir,dreamsxin/zephir,phalcon/zephir,dreamsxin/zephir,zephir-lang/zephir,zephir-lang/zephir,sjinks/zephir,zephir-lang/zephir,sjinks/zephir,phalcon/zephir,vpg/zephir,sjinks/zephir,sjinks/zephir,vpg/zephir,zephir-lang/zephir,phalcon/zephir,vpg/zephir,vpg/zephir,vpg/zephir,dreamsxin/zephir,sergeyklay/zephir,sjinks/zephir