Merge

Merge

8059811: Turn off optimistic typing by default and add both ant test-pessimistic and ant test-optimistic sub-test suites. Reviewed-by: attila, shade, hannesw

8059938: NPE restoring cached script with optimistic types disabled Reviewed-by: lagergren, sundar

8059236: Memory leak when executing octane pdfjs with optimistic typing Reviewed-by: jlaskey, attila

8059231: Verify that octane raytrace now works with optimistic types turned off. Add better logging for optimistic types in the compiler. Reviewed-by: attila