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@ -1,3 +1,204 @@
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-------------------------------------------------------------------
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Mon Jul 31 17:24:05 UTC 2017 - fstrba@suse.com
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- Update to version jdk8u144 (icedtea 3.5.1)
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* Import of OpenJDK 8 u144 build 01
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- S8184993: Jar file verification failing with
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SecurityException: digest missing xxx
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* Shenandoah
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- Amend "ArrayCopy verification code fix" with 8u-specific node
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hierarchy test
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- Amend "Refactor asm acmp" with a few missing changes
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- [backport] aarch64 store check fix
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- [backport] Account "shared" out-of-LAB allocations separately
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- [backport] Adaptive should not be scared of user-requested
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System.gc()
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- [backport] Added assertion for page alignment of heap's base
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address
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- [backport] Add "verify jcstress" acceptance test
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- [backport] "Allocation failure" cause should not be
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overwritten
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- [backport] ArrayCopy verification code fix
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- [backport] Assorted cleanups
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- [backport] "Before Full GC" verification is too strong for
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OOME-during-evac
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- [backport] C1 stores constants without read barriers
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- [backport] Cleanup AArch64 code
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- [backport] Cleanup class unloading and string intern code
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- [backport] Cleanup duplicated Shenandoah task queue
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declarations
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- [backport] Cleanups
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- [backport] Cleanup ShenandoahBarrierSet::write_barrier
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- [backport] Cleanup ShenandoahHeap::do_evacuation
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- [backport] Clean up unused fields and methods
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- [backport] Cleanup: update-refs check in_collection_set twice
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- [backport] Code cache roots styles
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- [backport] Concurrent code cache evacuation + bugfixes
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- [backport] Concurrent preclean + Fix weakref precleaning
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- [backport] Correct prefetch offset for marked object
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iteration
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- [backport] Deferred region cleanup.
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- [backport] Dense ShenandoahHeapRegion printout
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- [backport] Detailed ParallelCleanupTask statistics + Split
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out Full GC stats for parallel cleaning
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- [backport] Disable aggressive+verification test configs
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(jtreg eats up last configuration)
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- [backport] Do not abandon RP discovery on conc GC cancel,
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do that only before Full GC
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- [backport] Eliminating _num_regions variable in
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ShenandoahHeap
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- [backport] Ensure collection set and cset map are consistent
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- [backport] Fallback to shared allocation if GCLAB is not
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available
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- [backport] Fast synchronizer root scanning
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- [backport] "F: Code Cache Roots" is missing from gc+stats
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- [backport] Fix DerivedPointerTable handling when scanning
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roots twice in init-evac phase
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- [backport] Fixed a few of early returns that calling
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register_gc_end()
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- [backport] Fix live data accounting for humongous region
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- [backport] Fix memory Phis with only data uses
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- [backport] Fix recycled regions zapping
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- [backport] Fix up pointer volatility
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- [backport] Generic verification should not trust bitmaps
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- [backport] Heap/matrix verification for all reachable objects
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- [backport] Heap memory usage counting not longer needs to be
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atomic
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- [backport] Heap region recycling should call explicit clear()
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and request zapping
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- [backport] Heap region verification
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- [backport] Implementation of interpreter matrix barrier on
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aarch64
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- [backport] Implement early update references phase.
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- [backport] implicit null checks broken on aarch64
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- [backport] Increase timeout for EvilSyncBug test
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- [backport] Lazy parallel code cache iterator
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- [backport] Make statistics gathering span more operations
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- [backport] Make sure atomic operations are done on
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"volatile" fields
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- [backport] Make sure new_active_workers is used
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- [backport] Make {T,GC}LAB statistics unconditional
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- [backport] Mark-compact and heuristics should consistently
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process refs and unload classes
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- [backport] minor fix to optimization of java mirror
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comparison
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- [backport] more barrier on constant oop fixes + couple small
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unrelated fixes
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- [backport] More collection set and matrix cleanup
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- [backport] Nit: mark-compact phase 3 (Adjust Pointers) should
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announce itself as "Phase 3"
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- [backport] Optimize heap region size checks
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- [backport] Optimize heap verification
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- [backport] Out-of-TLAB evacuation should overwrite stale
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copies
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- [backport] Parallel code cache scanning
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- [backport] Parallel verification
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- [backport] Print correct message about gross times in stats
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- [backport] Print heap changes in phases that actually change
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heap occupancy
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- [backport] Print more detailed final UR stats
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- [backport] Print more details for weak ref and class
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unloading stats
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- [backport] Properly react on -ClassUnloading
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- [backport] Purge ealier version of redefined classes during
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class unloading
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- [backport] Purge ratio, global, connections heuristics.
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- [backport] Purge shenandoahHumongous.hpp
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- [backport] Purge ShenandoahVerify(Reads|Writes)ToFromSpace.
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- [backport] Reduce region retirement during tlab allocation
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- [backport] Refactor asm acmp (x86, aarch64, renames)
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- [backport] Refactor BrooksPointer asserts
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- [backport] Refactor heap verification
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- [backport] Reference processing deadlocks with
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-ParallelRefProcEnabled
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- [backport] Reference processors might use non-forwarded alive
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checks
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- [backport] Region sampling may not be enabled because last
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timetick is uninitialized
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- [backport] Rehash ShenandoahHeap section in hs_err
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- [backport] Reinstate "Purge" block in final-mark stats
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- [backport] Relax assert to not fire at safepoint
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- [backport] Remove heap printing routines from ShenandoahHeap
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- [backport] Remove obsolete compile_resolve_oop_runtime()
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methods
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- [backport] Rename final mark operations
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- [backport] Rename ShenandoahBarriersForConst
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- [backport] Replace ShHeapRegionSet::get with get_fast
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- [backport] Report correct total garbage data. Print out
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garbage and cset data with -Xlog:gc+ergo
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- [backport] Report oops and fwdptrs verification failures
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fully
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- [backport] Result of write barrier on constant not used
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- [backport] Separate Full GC root operations in GC stats
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- [backport] ShenandoahCollectionSet refactor
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- [backport] ShenandoahGCSession used wrong timer for full GC
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- [backport] ShenandoahHeap::evacuate_object() with boolean
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result flag.
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- [backport] Shenandoah options should be uintx
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- [backport] shenandoah_wb should fallback to slow path with
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-UseTLAB + Fix aarch64 compilation error due to
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shenandoah_wb change
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- [backport] ShenandoahWriteBarrierNode::memory_dominates_all_paths()
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assert failure when compiling methods using unsafe
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- [backport] Shortcut reference processing when no work is
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available
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- [backport] Simplify parallel synchronizer roots iterator
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- [backport] Skip RESOLVE when references update is not needed
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- [backport] Stats should attribute "Resize TLABs" properly,
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and mention "Pause" for init/final mark
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- [backport] Stats should not record past-shutdown events
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- [backport] "String/Symbol/CodeCache" -> "Str/Sym, Code Cache"
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- [backport] Tests should use all heuristics and pass heap
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verification + Disable aggressive+verification test configs
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- [backport] Total pauses should include final-mark pauses
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- [backport] Trim down native GC footprint
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- [backport] Update region sampling to include TLAB/GCLAB
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allocation data
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- [backport] Update roots should always handle derived pointers
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- [backport] Update ShenandoahHeapSampling to avoid double
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counting.
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- [backport] Update statistics to capture thread data
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accurately
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- [backport] Use CollectedHeap::base() instead of
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ShenandoahHeap::first_region_bottom()
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- [backport] Use lock version heap region memory allocator
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- [backport] Use scoped object for gc session/phases recording
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- [backport] Variable steps in adaptive heuristics
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- [backport] Verification error log is truncated
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- [backport] Verification levels
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- [backport] Verification should assert complete bitmaps in
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most phases + Disable complete bitmap verification in init
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mark
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- [backport] Verifier performance improvements: scan objects
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once, avoid double oop checks
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- [backport] Verifier should not assert cset in forwarded test
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block
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- [backport] Verifier should print extended info on referenced
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location
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- [backport] Verifier should use non-optimized root scans
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- [backport] Verify marked objects
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- [backport] Verify TAMS and object sizes
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- [backport] write barrier can get stuck below predicates
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resulting in unschedulable graph
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- S8140584: nmethod::oops_do_marking_epilogue always runs
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verification code
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- S8180175, S8180599: Cherry-pick/synchronize
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- Cleanup: Removed redundant
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ClassLoaderData::clear_claimed_marks() calls
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- Cleanup shared code.
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- Fixed memory leak in region garbage cache
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- Fix return type of
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ShenandoahHeapRegion::region_size_words_jint()
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- Improved comment about AArch64bit addressing in assembler.
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- Leak mutex in ShenandoahTaskTerminator
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- Make sure C2 arguments are not used when C2 is disabled.
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- Refactor parallel ClassLoaderData iterator
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- Revert G1 changes and bring shared BitMap
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- Add missing cmpoops() declaration to AArch64 macro assembler.
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Back out matrix related code from AArch64 interpreter.
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- Fix build without precompiled headers.
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- Fixed build issues on Windows
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-------------------------------------------------------------------
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Wed Jul 26 06:54:51 UTC 2017 - fstrba@suse.com
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