8037572: Add more test cases to check static types Reviewed-by: attila, lagergren

8041625: AccessorProperty currentType must only by Object.class when non-primitive, and scoping followup problem for lazily generated with bodies Reviewed-by: jlaskey, attila

8038398: OptimisticRecompilationTest fails on staging repo nashorn/jdk9/nashorn due to test framework Reviewed-by: attila, lagergren

8041995: Problems when loading tree expressions with several optimistic program points when optimistically initializing ObjectNodes Reviewed-by: jlaskey, attila

8041905: Fix apply2call bug that prevented avatar.js unit tests from running correctly Reviewed-by: attila, hannesw

8041434: Add synchronization to the common global constants structure Reviewed-by: attila, hannesw

8038426: Move all loggers from process wide scope into Global scope Reviewed-by: attila, hannesw

8033105: Make sure Nashorn test harness can run zlib benchmark Reviewed-by: attila, hannesw

8040655: When processing a RewriteException debug object, the return value has already been reset to null. We need to catch this value before that. Reviewed-by: attila, lagergren Contributed-by: matherey.nunez@oracle.com

8040102: Remove all references to Unsafe and definition of anonymous clases from the code Summary: As the catch combinator optimization is now part of java.lang.invoke we don't need to put our own in the boot class path in any configuration anymore. Furthermore, with the completion of the array performance subtask of optimistic typing, we can remove the experimental (commented out) Unsafe accessors in the ArrayData classes Reviewed-by: attila, jlaskey