8000659: NPG: ClassCastExceptions are unexpectedly thrown when testing nashorn
Summary: Treat the oops in invoke_method_table() as strong roots when ClassUnloading is enabled.
Reviewed-by: kamg, coleenp
^build/
^dist/
/nbproject/private/
^src/share/tools/hsdis/build/
^src/share/tools/IdealGraphVisualizer/[a-zA-Z0-9]*/build/
^src/share/tools/IdealGraphVisualizer/build/
^src/share/tools/IdealGraphVisualizer/dist/
^.hgtip
.DS_Store