8030714: The steps attribute, flow and desugar are unnecessary for implicit classes when compiling with -implicit:none
Summary: When compiling with -implicit:none, attribute, flow and desugar is skipped for better performance.
Reviewed-by: jfranck, jlahoda
^build/
^dist/
nbproject/private/
^webrev
^.hgtip
^.bridge2
.DS_Store