8204564: Need better error output when GenerateLinkOptData fails Reviewed-by: ihse, tbell

8217659: monitor_logging updates from Async Monitor Deflation project Reviewed-by: dholmes, coleenp, rehn

8213753: SymbolTable is double walked during class unloading and clean up table timing in do_unloading Summary: remove gc timing for short runtime cleanup triggering; make symbol table cleaning triggered automatically on unloading Reviewed-by: shade, stefank, gziemski

8216072: Remove TaskTerminator's assignment operator Reviewed-by: tschatzl, rkennke, kbarrett

8216528: test/jdk/java/rmi/transport/runtimeThreadInheritanceLeak/RuntimeThreadInheritanceLeak.java failing with Xcomp Reviewed-by: dholmes, alanb Contributed-by: fujie@loongson.cn

8212949: Remove ConstantPoolCache::is_constantPoolCache Summary: remove relic of permgen, also is_constMethod too. Reviewed-by: dholmes

8215550: Debugger does not work after reattach Reviewed-by: cjplummer, sspitsyn

8218041: Assorted wrong/missing includes Reviewed-by: dholmes, kbarrett, stefank, shade

Added tag jdk-13+6 for changeset b5f05fe4a6f8

8217371: Incorrect LP64 guard in x86.ad after JDK-8210764 (Update avx512 implementation) Reviewed-by: kvn, neliasso, thartmann

8218084: Revert JDK-8218057 Reviewed-by: darcy, ctornqvi

Merge

8207922: ctw of jdk.security.auth failed with "Unexpected zero exit codebefore finishing all compilations" Reviewed-by: roland, thartmann

8215921: There is no change when select different Foreground and Background by mouse. Reviewed-by: serb, psadhukhan

8217666: gc/nvdimm/* should not be included any tiers Reviewed-by: iignatyev, lkorinth

8217578: Shenandoah cleanup unused timings after concurrent string table change Reviewed-by: shade