8005403: Open-source Nashorn Reviewed-by: attila, hannesw, lagergren, sundar Contributed-by: james.laskey@oracle.com, akhil.arora@oracle.com, andreas.woess@jku.at, attila.szegedi@oracle.com, hannes.wallnoefer@oracle.com, henry.jen@oracle.com, marcus.lagergren@oracle.com, pavel.semenov@oracle.com, pavel.stepanov@oracle.com, petr.hejl@oracle.com, petr.pisl@oracle.com, sundararajan.athijegannathan@oracle.com

obj1.valueOf
obj1 is 1
obj1.valueOf
11
obj2.valueOf
obj2 is 2
obj2.valueOf
24
obj1.valueOf
obj2.valueOf
3
obj3.toString
world12
obj3.toString
hello world
obj1.valueOf
obj3.toString
1world
obj2.valueOf
obj3.toString
2world
obj3.toString
obj3.toString
worldworld