coleenp [Tue, 29 May 2018 15:50:27 -0400] rev 50297
8202813: Move vm_weak processing from SystemDictionary to WeakProcessor
Summary: SystemDictionary has all strong roots. The weak oop_storage is processed by the WeakProcessor so it can be scanned and cleared concurrently and/or by parallel threads.
Reviewed-by: kbarrett, sjohanss