8179889: Fix typographic errors in copyright headers
Reviewed-by: erikj, dholmes

8166902: Nested object literal property maps not reset in optimistic recompilation
Reviewed-by: lagergren, attila

8144020: Remove long as an internal numeric type
Reviewed-by: attila, sundar, lagergren

8141702: Add support for Symbol property keys
Reviewed-by: attila, sundar

8135190: Method code too large in Babel browser.js script
Reviewed-by: attila, sundar

8079269: Optimistic rewrite in object literal causes ArrayIndexOutOfBoundsException
Reviewed-by: hannesw, lagergren

8078049: Nashorn crashes when attempting to start TypeScript compiler
Reviewed-by: lagergren, attila

8067215: Disable dual fields when not using optimistic types
Reviewed-by: attila, lagergren

8062401: User accessors require boxing and do not support optimistic types
Reviewed-by: jlaskey, lagergren

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com