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

m.class.name=java.util.LinkedHashMap
m = {}
m.empty = true
m['empty'] = true
m[empty_key] = true
m = {empty=foo}
m.empty = false
m['empty'] = foo
m[empty_key] = foo
m.bwah = null
m['bwah'] = null
m.twonk = ding
m['twonk'] = ding
m.size()=2
--for each begin--
empty
twonk
--for each end--