LeftOverBins as an optional replacement of free block dictionary which is rather ineffective

8234438: Remove some CMS leftovers Reviewed-by: kbarrett, sjohanss

8234437: Remove CollectedHeap::safe_object_iterate() Reviewed-by: kbarrett, sjohanss

8234383: Test TestBiasedLockRevocationEvents.java assumes -XX:UseBiasedLocking is enabled Reviewed-by: mgronlun, tschatzl

8234382: Test tools/javac/processing/model/testgetallmembers/Main.java using too small heap Reviewed-by: eosterlund, tschatzl

8234361: ZGC: Move heuristics code in ZWorker to ZHeuristics Reviewed-by: eosterlund, stefank

8234338: ZGC: Improve small heap usage Reviewed-by: eosterlund, stefank

8234312: ZGC: Adjust warmup criteria Reviewed-by: eosterlund, stefank

8234379: ZGC: Do not resize TALBs unless -XX:ResizeTLAB is enabled Reviewed-by: eosterlund, tschatzl

8231259: (dc) DatagramChannel::disconnect re-binds socket to the wildcard address (macOS) Reviewed-by: dfuchs, chegar

8231460: Performance issue (CodeHeap) with large free blocks Reviewed-by: adinn, stuefe

8230873: [AIX] GUI app does not work with UTF-8 locale on minimum software requirements Summary: Fix fontconfig.properties file for AIX UTF-8 locales Reviewed-by: clanger

8233113: ARM32: assert on UnsafeJlong mutex rank check Reviewed-by: coleenp, dholmes

8234381: API docs should mention special handling of enums in serialization Reviewed-by: rriggs