8162546: change hidden options -Xdebug to --debug, -XshouldStop to --should-stop, and -diags to --diags
Reviewed-by: mcimadamore

8161020: javac, fold stop compilation options
Reviewed-by: mcimadamore

8153407: javac, fold debug options
Reviewed-by: mcimadamore, jjg

8076543: Add @modules as needed to the langtools tests
Reviewed-by: jjg, shurailine

8062348: langtools tests should close file manager (group 1)
Reviewed-by: darcy

8034223: Most-specific should not have any special treatment for boxed vs. unboxed types
Summary: Rewrite most-specific logic to conform to JLS 8 15.12.2.5
Reviewed-by: vromero

8027175: Existing regression tests in tl/langtools and tl/jdk need to be updated for @bug keyword
Reviewed-by: jjg, ksrini
Contributed-by: matherey.nunez@oracle.com

8029230: Update copyright year to match last edit in jdk8 langtools repository for 2013
Reviewed-by: ksrini
Contributed-by: steve.sides@oracle.com

7034798: Ambiguity error for abstract method call is too eager
Summary: Javac should wait and see if ambiguous methods can be reconciled at the end of an overload resolution round
Reviewed-by: jjg, vromero

8014649: Regression: bug in Resolve.resolveOperator
Summary: Missing curly braces causes Resolve.findMethod to be called spuriously
Reviewed-by: jjg, vromero

8005282: Use @library tag with non-relative path for javac tests
Reviewed-by: jjg

7098660: Write better overload resolution/inference tests
Summary: Add overload/inference debug diagnostics - added test harness using annotations to check outcome of overload resolution/inference
Reviewed-by: jjg