8149451: Fix bytecode generation issue after 8149186
Reviewed-by: mhaupt, sundar

8149462: revert changes for 8149186
Reviewed-by: jlaskey, sundar

8149186: Don't use indy for optimistic arithmetic
Reviewed-by: mhaupt, sundar

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

8130734: Apply transformations found by netbeans Refactor->Inspect and transform menu
Reviewed-by: hannesw, jlaskey, mhaupt

8061957: Some arithmetic operations have unnecessary widening
Reviewed-by: hannesw, lagergren

8059843: Make AST serializable
Reviewed-by: hannesw, 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