8163511: Allocation of compile task fails with assert: "Leaking compilation tasks?"
Summary: Use weak handles for compile tasks to allow unloading of referenced methods.
Reviewed-by: kvn, coleenp, eosterlund
^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/.*