8028543: Add SourceVersion.RELEASE_9 Reviewed-by: jjg

8030626: java.lang.VerifyError: Bad return type when lambda's body is in parentheses Summary: properly type convert the body of a lambda expression (forward port to JDK9 of 8029558) Reviewed-by: vromero

8029240: Default methods not always visible under -source 7 Reviewed-by: jjg

8030218: javac, compile time error isn't shown when final static field is not assigned, follow-up Reviewed-by: jjg, jfranck, sundar

8030807: langtools should still build using jdk 7 Reviewed-by: briangoetz

8030726: tools/javac/NoStringToLower.java fails due to enforcement no use of String.toLowerCase on non-langtools classes Summary: Fix NoStringToLower test to only enforce ban on String.toLowerCase on langtools classes Reviewed-by: vromero, jfranck Contributed-by: paul.govereau@oracle.com

8030244: Update langtools to use Diamond Reviewed-by: darcy

8029721: javac crash for annotated parameter type of lambda in a field Reviewed-by: rfield, jfranck

8029569: internal javac cast exception when resolving varargs ambiguity Reviewed-by: jjg

8029504: Regression: TestDocRootLink test fails on Windows Reviewed-by: bpatel, jjg

8030253: Update langtools to use strings-in-switch 8030262: Update langtools to use foreach loops 8030245: Update langtools to use try-with-resources and multi-catch Reviewed-by: darcy

8030687: Add .out files to fix failing tests Summary: Forgot to hg add golden files in a previous fix Reviewed-by: jjg