8219097: Move comment about using weak code blobs closure for code root scanning to correct place Reviewed-by: kbarrett

8218920: Scan HCC should be on the same level as Update RS etc. in the log Reviewed-by: lkorinth, kbarrett

8218672: AOT code root scanning shows in the wrong position in the logs Reviewed-by: lkorinth, kbarrett

8218978: SA: Enable more ZGC testing Reviewed-by: eosterlund, ysuenaga

8218970: SA: Enable HeapHprofBinWriter for ZGC Reviewed-by: eosterlund, ysuenaga

8218922: SA: Enable best-effort implementation of live regions iteration for ZGC Reviewed-by: eosterlund, ysuenaga

8219003: SA: Refactor live regions iteration in preparation for JDK-8218922 Reviewed-by: eosterlund, ysuenaga

8218746: SA: Implement discontiguous bitmap for ZGC Reviewed-by: eosterlund, jgeorge

8218743: SA: Add support for large bitmaps Reviewed-by: eosterlund, jgeorge

8218734: SA: Incorrect and raw loads of OopHandles Reviewed-by: eosterlund, coleenp, jgeorge

8218733: SA: CollectedHeap provides broken implementation for used() and capacity() Reviewed-by: shade, jgeorge, eosterlund

8218732: SA: Resolves ZPageAllocator::_physical incorrectly Reviewed-by: eosterlund, jgeorge

8218731: SA: Use concrete class the as return type of VMObjectFactory.newObject Reviewed-by: eosterlund

8219112: name_and_sig_as_C_string usages in frame_s390 miss ResourceMark Reviewed-by: shade, lucy