8220634: SymLinkArchiveTest should handle not being able to create symlinks Reviewed-by: jjg

Added tag jdk-13+12 for changeset 1d7aec80147a

8220352: Crash with assert(external_guard || result != __null) failed: Invalid JNI handle Summary: Don't delete globalrefs that might still be referenced Reviewed-by: gadams, jcbeyler, sspitsyn

8220345: Use appropriate type for G1RemSetScanState::IsDirtyRegionState Reviewed-by: kbarrett, lkorinth

8220301: Remove jbyte use in CardTable Summary: Use CardTable::CardValue aliased to uint8_t instead. Reviewed-by: kbarrett, shade

8219882: [AOT] Develop regression test for 8218859 Reviewed-by: kvn

8219197: ThreadGroup.enumerate() may return wrong value Summary: ThreadGroup.enumerate(list,n,recurse) should never return a value that is less than n. Reviewed-by: clanger, chegar, prappo

8219597: (bf) Heap buffer state changes could provoke unexpected exceptions Reviewed-by: alanb, rriggs

8220253: Fix Headings in java.sql.rowset Reviewed-by: darcy

Merge

8220585: Incorrect code in MulticastSocket sample code Summary: Sample code shows that String.length() can be passed to a DatagramPacket along with String.getBytes(), but is incorrect for non-ASCII Strings. Reviewed-by: martin, chegar Contributed-by: aeubanks@google.com

8220546: Shenandoah Reports timing details for weak root processing Reviewed-by: rkennke

8220496: Race in java_lang_String::length() when deduplicating Reviewed-by: rkennke, pliden

8219517: assert(false) failed: infinite loop in PhaseIterGVN::optimize Reviewed-by: kvn, thartmann

6504660: HPI panic callback is dead code Reviewed-by: dcubed, cjplummer, redestad