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8226585: Improve javac messages for using a preview API Summary: Avoiding deprecation for removal for APIs associated with preview features, the features are marked with an annotation, and errors/warnings are produced for them based on the annotation. Reviewed-by: erikj, mcimadamore, alanb Contributed-by: joe.darcy@oracle.com, jan.lahoda@oracle.com

8232702: Shenandoah: gc/shenandoah/TestVerifyJCStress.java uses non-existent -XX:+VerifyObjectEquals Reviewed-by: rkennke

8232575: Shenandoah: asynchronous object/region pinning Reviewed-by: rkennke

8232674: Fix build and rename ShenandoahBarrierSet::oop_load_from_native_barrier Reviewed-by: zgu

8232239: ZGC: Inline ZCPU::count() and ZCPU:id() Reviewed-by: tschatzl

8232238: ZGC: Move ZList inline funtions to zList.inline.hpp Reviewed-by: eosterlund

8232237: ZGC: Move ZArray inline funtions to zArray.inline.hpp Reviewed-by: tschatzl

8232236: ZGC: Move ZThread inline funtions to zThread.inline.hpp Reviewed-by: tschatzl

8232235: ZGC: Move ZValue inline funtions to zValue.inline.hpp Reviewed-by: tschatzl

8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled Reviewed-by: eosterlund

8231940: ZGC: Print correct low/high capacity Reviewed-by: eosterlund

8231943: ZGC: Enable serviceability/dcmd/gc/RunGCTest Reviewed-by: tschatzl, eosterlund, sspitsyn

8232001: ZGC: Ignore metaspace GC threshold until GC is warm Reviewed-by: eosterlund

8232195: Enable BigInteger tests: DivisionOverflow, SymmetricRangeTests and StringConstructorOverflow Reviewed-by: bpb, darcy

8232616: JVMCI_lock fails to get initialized when cds is disabled Reviewed-by: iklam, dholmes

8232276: Problem list serviceability/sa/ClhsdbJstackXcompStress.java Reviewed-by: sgehwolf, dholmes

datagramsocketimpl-branch: minor refactoring

8223325: Improve wix sources generated by jpackage Submitted-by: asemenyuk Reviewed-by: aherrick, almatvee

8232281: jpackage is not always reporting an error when no main class specified Reviewed-by: asemenyuk, asemenuk

8232008: Shenandoah: C1 load barrier does not match interpreter version Reviewed-by: rkennke

8232010: Shenandoah: implement self-fixing native barrier Reviewed-by: rkennke

8231719: Correct contradictions in timeout range descriptions. Summary: Clarified verbiage in method descriptions. Reviewed-by: chegar, dfuchs

8225499: InetSocketAddress::toString not friendly to IPv6 literal addresses Summary: Enclose IPv6 literal in brackets and adjust string format for unresolved addresses Reviewed-by: dfuchs, chegar

8232009: Shenandoah: C2 load barrier does not match interpreter version Reviewed-by: rkennke

8232030: HelloDynamic.java fails with latest Graal Summary: Include the dynamic dumping condition when setting up the merged_ordering array in merge_in_new_methods() of defaultMethods.cpp. Reviewed-by: iklam, coleenp

datagramsocketimpl-branch: fix issue with receive packet buf size

Stabilize TestLatestEvent.java

8231324: Shenandoah: avoid duplicated weak root works during final traversal Reviewed-by: rkennke

8232381: add result NULL-checking to freetypeScaler.c Reviewed-by: clanger, prr

8232593: [TESTBUG] runtime/cds/CheckDefaultArchiveFile.java fails when cds is disabled Reviewed-by: iklam, dholmes

Lessen verification costs

8232084: HotSpot build failed with GCC 9.2.1 Reviewed-by: sspitsyn, cjplummer, dholmes, iklam

8232370: Refactor some com.sun.jdi tests to enable IDE integration Reviewed-by: amenkov, cjplummer, sspitsyn

datagramsocketimpl-branch: initial code changes

datagramsocketimpl-branch: merge with default

datagramsocketimpl-branch: update to default

Initial changes for datagramsocketimpl-branch

8232573: Shenandoah: cleanup and add more logging for in-pause phases Reviewed-by: rkennke

8232534: Shenandoah: guard against reentrant ShenandoahHeapLock locking Reviewed-by: rkennke

8231999: Shenandoah: Traversal failed compiler/jsr292/CallSiteDepContextTest.java Reviewed-by: rkennke

8232448: Suppress warnings on non-serializable non-transient instance fields in jdk.jdi Reviewed-by: sspitsyn

Removing TestLargeRootSet.java from problem list as it was fixed

8232387 : tools/jpackage/share/jdk/jpackage/tests/BasicTest.java fails Submitted-by: asemenyuk Reviewed-by: aherrick, almatvee

8232280: close() is not called on return value of Files.walk() Reviewed-by: asemenyuk, asemenuk

8213239: Configure cannot handle command overrides with arguments Reviewed-by: erikj

8232112: MDO extra_data_lock leaks during class unloading Summary: call the MDO destructor during class unloading. Reviewed-by: dholmes, eosterlund

Also fix launchers.

Make it compile again. (Mostly remove logical-op).

Merge from default (huge)

8218628: Add detailed message to NullPointerException describing what is null. Summary: This is the implementation of JEP 358: Helpful NullPointerExceptions. Reviewed-by: coleenp, clanger, rschmelter, rriggs, forax, mr

8223998: Missing MakeDir in ExecuteWithLog Reviewed-by: tbell, erikj

8232162: Object reallocation in Deoptimization::fetch_unroll_info_helper should not depend on EliminateNestedLocks Reviewed-by: thartmann, neliasso

8134599: TEST_BUG: java/rmi/transport/closeServerSocket/CloseServerSocket.java fails intermittently with Address already in use Reviewed-by: weijun, darcy, rriggs, coffeys

8209824: Improve the code coverage for ThreadLocal Reviewed-by: dholmes, alanb

8231859: Extra dash after the exception name in @throws clause of javadoc Reviewed-by: weijun