8221592: C2 compilation failed with assert(!q->is_MergeMem()) Summary: Transform the original MergeMem after transforming the slices to get rid of MergeMem inputs. Reviewed-by: kvn, neliasso

8223003: SunMSCAPI keys are not cleaned up Reviewed-by: igerasim

8220813: update hotspot tier1_gc tests depending on GC to use @requires vm.gc.X Reviewed-by: pliden, lmesnik Contributed-by: aoqi@loongson.cn

8219487: j.l.c.ClassDesc spec should contain precise assertions for one parameter's methods Reviewed-by: darcy, jlaskey

8222980: Upgrade IANA Language Subtag Registry to Version 2019-04-03 Reviewed-by: bpb, lancea

8221988: add possibility to build with Visual Studio 2019 Reviewed-by: erikj, ysuenaga

8129315: java/net/Socket/LingerTest.java and java/net/Socket/ShutdownBoth.java timeout intermittently Summary: tests are updated to use the loopback address instead of the wildcard to avoid traffic being routed to a different server than what was intended by the test. Reviewed-by: chegar

8223026: [BACKOUT] Typo in test/hotspot/jtreg/TEST.groups is causing test harness failures Reviewed-by: dsimms

8223016: ZGC: Fix misaligned statistics printout Reviewed-by: tschatzl

8222637: Obsolete NeedsDeoptSuspend Reviewed-by: dlong, coleenp, dholmes

8222440: (zipfs) JarFileSystem does not correctly handle versioned entries if no root entry is present Reviewed-by: lancea

8222518: Remove unnecessary caching of Parker object in java.lang.Thread Reviewed-by: dcubed, rehn

8222743: Xerces 2.12.0: DOM Implementation Reviewed-by: lancea

8222562: Don't set IPV6_V6ONLY when IPv4 is not available Reviewed-by: dfuchs, chegar Contributed-by: aeubanks@google.com

8222970: Update ProblemList for vmTestbase/nsk/jdb/eval/eval001/eval001.java Reviewed-by: gadams, dcubed, sspitsyn