8043633: In order to remove global state outside of contexts, make sure Timing class is an instance and not a static global collection of data. Move into Context. Move -Dnashorn.timing to an official logging option. Reviewed-by: sundar, attila

8043605: Enable history for empty property maps Reviewed-by: jlaskey, sundar

8043608: Make equality tests inline better Reviewed-by: lagergren, sundar

8043504: Octane test harness was missing argument to print_always at one callsite, causing erroneous logging Reviewed-by: sundar, attila

8043431: Fix yet another corner case of JDK-8041995 Reviewed-by: hannesw, lagergren

8034206: Make parts of code pipeline reusable in order to facilitate faster warmup and faster lazy compilation. Reviewed-by: hannesw, attila

8043235: Type-based optimizations interfere with continuation methods Reviewed-by: jlaskey, lagergren