8223140: Clean-up in 'ok_to_convert()'. Summary: Simplify logic in function. Added precond/postcond macros. Reviewed-by: vlivanov, neliasso

8223139: Rename mandatory policy-do routines. Summary: Rename 'policy_do_remove_empty_loop' to 'do_remove_empty_loop', 'policy_do_one_iteration_loop' to 'do_one_iteration_loop'. Reviewed-by: vlivanov, dl

8223138: Small clean-up in loop-tree support. Summary: Rename predicate 'is_inner()' to 'is_innermost()' to be accurate. Added 'is_root()' predicate for root parent test in loop-tree. Changed definition of 'is_loop()' to always lazy-read the tail, since it should never be NULL. Cleanup of 'tail()' definition. Reviewed-by: vlivanov, neliasso

8223137: Rename predicate 'do_unroll_only()' to 'is_unroll_only()'. Reviewed-by: vlivanov

8204203: Many pkcs11 tests failed in Provider initialization, after compiler on Windows changed Summary: Build NSS 3.41 with VS2017 and also upgrade to this NSS for macosx Reviewed-by: valeriep

8217364: Custom URLStreamHandler for jrt or file protocol can override default handler Reviewed-by: redestad

8223052: Cleanup: NodeSortRecord Reviewed-by: lancea

8223254: DataOutputStream/WriteUTF.java fails due to "OutOfMemoryError: Java heap space" Reviewed-by: lancea, rriggs

8218875: Add new FileSystems.newFileSystem methods Reviewed-by: rriggs, alanb, clanger, dfuchs

8220793: (fs) No support for changing modification time of symlink Reviewed-by: alanb, rriggs

8223258: Shenandoah: SRP::process_all_roots_slow processes JvmtiExport weak oops twice Reviewed-by: rkennke

8223227: Rename acquire_tag_map() to tag_map_acquire() in jvmtiEnvBase Reviewed-by: dholmes, jcbeyler