8190797: OSR compilation fails with "assert(__the_thread__->can_call_java()) failed: can not load classes with compiler thread" Summary: Bail out with a meaningful error message in case we cannot throw a Java exception. Reviewed-by: kvn, dholmes

^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
\.DS_Store
\.metadata/
\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt