8234103: DatagramSocketImpl::socket is not needed
Summary: DatagramSocketImpl has a socket field that links back to the DatagramSocket. This is only used to figure out whether multicasting is supported or not. This fix replaces it with a boolean isMulticast.
Reviewed-by: alanb, chegar, dfuchs
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
(^|/)\.DS_Store
(^|/)\.metadata/
(^|/)\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
(^|/)JTreport/
(^|/)JTwork/
(^|/)\.git/
^src/utils/hsdis/build/