8233941: adlc should not generate Pipeline_Use_Cycle_Mask::operator=
Summary: Removed useless = operator.
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/**