8189765: Improve error reporting for compiling against package not visible due to modules Summary: When looking in other modules for an undefined Symbol, also look into the unnamed module. Reviewed-by: mcimadamore

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