8072114: javac performance should be improved
Summary: Avoiding unnecessary use of Stream.empty().
Reviewed-by: mcimadamore

8171371: Remove redundant type-arguments from generic method calls
Reviewed-by: jjg, rfield, mchung

8181370: Convert anonymous inner classes into lambdas/method references
Reviewed-by: jjg, rfield, mchung

8169069: Module system implementation refresh (11/2016)
Reviewed-by: mcimadamore, jjg, mchung, anazarov
Contributed-by: jonathan.gibbons@oracle.com, jan.lahoda@oracle.com, alan.bateman@oracle.com, mandy.chung@oracle.com, bhavesh.x.patel@oracle.com, andrey.x.nazarov@oracle.com

8166700: NPE during invoking getEnclosedElements() on javax.lang.model.element.Element instance representing a package
Summary: Should not strip first parameter of a local class constructor for local classes in initializers.
Reviewed-by: jjg

8144733: Iterating over elements of a Scope can return spurious inner class elements
Summary: When a Symbol is removed from a Scope while iterating over it, update the iterator as well to reflect the change.
Reviewed-by: mcimadamore

8129962: Investigate performance improvements in langtools combo tests
Summary: New combo API that runs all combo instances in a shared javac context (whenever possible).
Reviewed-by: jjg, jlahoda, vromero

8131915: CompletionFailure during import listing crashes javac
Summary: Handling CompletionFailures during import listing properly.
Reviewed-by: mcimadamore

8072480: javac should support compilation for a specific platform version
Summary: Adding a new javac option for compiling for JDK N: -release N; including history data for previous version of JDK.
Reviewed-by: erikj, ihse, jjg, mcimadamore, mr
Contributed-by: jan.lahoda@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com

8080842: Using Lambda Expression with name clash results in ClassFormatError
Summary: Ensure ScopeImpl can cope properly with remove when a field and method share the name
Reviewed-by: mcimadamore, jlahoda

8067886: Inaccessible nested classes can be incorrectly imported
Summary: Check type accessibility at the point of import when importing the type using type-import-on-demand.
Reviewed-by: mcimadamore, jfranck

7101822: Compiling depends on order of imports
7177813: Static import to local nested class fails
Summary: MemberEnter overhaul - TypeEnter is split out of MemberEnter; the TypeEnter consists of several Phases which ensure actions are done in the correct order.
Reviewed-by: mcimadamore, jfranck, aeremeev
Contributed-by: jan.lahoda@oracle.com, maurizio.cimadamore@oracle.com

8064362: WriteableScope.dupUnshared misbehaves on shared Scopes
Summary: When calling dupUnshared on a shared scope, make sure the result does not contain Symbols that don't belong to the scope that is being dupUnshared.
Reviewed-by: mcimadamore

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