8234613: JavaThread can escape back to Java from an ongoing handshake
Summary: Check again if we have a pending/in-progress handshake operation after executing ~ThreadInVMForHandshake()
Reviewed-by: coleenp, dcubed, dholmes, rehn
^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/