8230019: [REDO] compiler/types/correctness/* tests fail with "assert(recv == __null || recv->is_klass()) failed: wrong type" Summary: Explicitly set the receiver klass in the ci MDO to NULL if it is NULL in the MDO while translating. Reviewed-by: kvn, thartmann

^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/