Fixed warnings in polymorphic return values
Fixed warnings in polymorphic return values

zephir-lang/zephir,aaam/zephir,vpg/zephir,phalcon/zephir,carlmcdade/zephir,steffengy/zephir,aaam/zephir,steffengy/zephir,KorsaR-ZN/zephir,zephir-lang/zephir,cesarmarinhorj/zephir,patrick-zippenfenig/zephir,KorsaR-ZN/zephir,patrick-zippenfenig/zephir,gsouf/zephir,fezfez/zephir,cesarmarinhorj/zephir,vpg/zephir,KorsaR-ZN/zephir,janusnic/zephir,gsouf/zephir,patrick-zippenfenig/zephir,sergeyklay/zephir,joeyhub/zephir,patrick-zippenfenig/zephir,KorsaR-ZN/zephir,sergeyklay/zephir,sjinks/zephir,gsouf/zephir,gsouf/zephir,zephir-lang/zephir,joeyhub/zephir,fezfez/zephir,joeyhub/zephir,aaam/zephir,steffengy/zephir,steffengy/zephir,joeyhub/zephir,KorsaR-ZN/zephir,cesarmarinhorj/zephir,phalcon/zephir,sergeyklay/zephir,sergeyklay/zephir,carlmcdade/zephir,patrick-zippenfenig/zephir,dreamsxin/zephir,janusnic/zephir,steffengy/zephir,carlmcdade/zephir,sjinks/zephir,gsouf/zephir,KorsaR-ZN/zephir,gsouf/zephir,sjinks/zephir,fezfez/zephir,fezfez/zephir,janusnic/zephir,vpg/zephir,fezfez/zephir,cesarmarinhorj/zephir,dreamsxin/zephir,sergeyklay/zephir,fezfez/zephir,aaam/zephir,carlmcdade/zephir,vpg/zephir,vpg/zephir,carlmcdade/zephir,joeyhub/zephir,steffengy/zephir,vpg/zephir,cesarmarinhorj/zephir,dreamsxin/zephir,sergeyklay/zephir,phalcon/zephir,carlmcdade/zephir,sjinks/zephir,sjinks/zephir,dreamsxin/zephir,sjinks/zephir,phalcon/zephir,zephir-lang/zephir,aaam/zephir,zephir-lang/zephir,janusnic/zephir,dreamsxin/zephir,cesarmarinhorj/zephir,janusnic/zephir,phalcon/zephir,phalcon/zephir,aaam/zephir,joeyhub/zephir,patrick-zippenfenig/zephir,janusnic/zephir,dreamsxin/zephir