8073124: Tune test and document TimSort runs length stack size increase
Reviewed-by: dholmes

8072909: TimSort fails with ArrayIndexOutOfBoundsException on worst case long arrays
Reviewed-by: rriggs, dholmes

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