8160399: is_oop_or_null involves undefined behavior
8164984: Improper use of is_oop in production code
Summary: replace oop->is_oop*() with oopDesc::is_oop*(oop) so this pointer can be verified
Reviewed-by: iklam, kvn, dholmes

8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive.
8185924: G1NoteEndOfConcMarkClosure::doHeapRegion() does not do remembered set cleanup work for archive region.
Summary: Shared class' constant pool resolved_references array is cached.
Reviewed-by: coleenp, iklam, tschatzl
Contributed-by: jiangli.zhou@oracle.com, thomas.schatzl@oracle.com

8181917: Refactor UL LogStreams to avoid using resource area
Reviewed-by: ehelin, mlarsson

8182299: Enable disabled clang warnings, build on OSX 10 + Xcode 8
8182656: Make the required changes in GC code to build on OSX 10 + Xcode 8
8182657: Make the required changes in Runtime code to build on OSX 10 + Xcode 8
8182658: Make the required changes in Compiler code to build on OSX 10 + Xcode 8
Reviewed-by: jwilhelm, ehelin, phh
Contributed-by: phh <hohensee@amazon.com>, jwilhelm <jesper.wilhelmsson@oracle.com>

8153360: G1HRRSFlushLogBuffersOnVerify with remembered set verification does not work
Reviewed-by: sjohanss, tschatzl

8177044: Remove _scan_top from HeapRegion
Summary: Remove the _scan_top member from HeapRegion using a per-gc pre-calculated table of scan limits that also subsumes other checks.
Reviewed-by: sangheki, kbarrett, ehelin

8162928: Micro-optimizations in scanning the remembered sets
Reviewed-by: ehelin, kbarrett

8071280: Specialize HeapRegion::oops_on_card_seq_iterate_careful() for use during concurrent refinement and updating the rset
Reviewed-by: kbarrett, sangheki, ehelin

8071278: Fix the closure mess in G1RemSet::refine_card()
Summary: Remove the use of many nested closure in the code to refine a card.
Reviewed-by: kbarrett, sjohanss

8173764: G1 BOT wrongly assumes that objects must always begin at the start of G1BlockOffsetTablePart
Reviewed-by: tschatzl, kbarrett

8142749: HeapRegion::_predicted_bytes_to_copy is unused and can be removed
Reviewed-by: tschatzl, drwhite
Contributed-by: Vsevolod Tolstopyatov <qwwdfsad@gmail.com>

8171008: Integrate AOT compiler into JDK
Reviewed-by: erikj, mchung, psandoz, coleenp, iklam, stefank, simonis
Contributed-by: Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>, Christian Thalinger <cthalinger@twitter.com>, Dean Long <dean.long@oracle.com>, Dmitrij Pochepko <dmitrij.pochepko@oracle.com>, Dmitry Chuyko <dmitry.chuyko@oracle.com>, Doug Simon <doug.simon@oracle.com>, Eric Caspole <eric.caspole@oracle.com>, Igor Ignatyev <igor.ignatyev@oracle.com>, Igor Veresov <igor.veresov@oracle.com>, John Rose <john.r.rose@oracle.com>, Morris Meyer <morris.meyer@oracle.com>, Niclas Adlertz <niclas.adlertz@oracle.com>, Rickard Backman <rickard.backman@oracle.com>

8166811: Missing memory fences between memory allocation and refinement
Summary: Refactored to have needed barrier
Reviewed-by: tschatzl, ehelin

8166607: G1 needs klass_or_null_acquire
Summary: Use acquire where needed, split refinment humongous and non to simplify.
Reviewed-by: tschatzl, ehelin

8166663: Simplify oops_on_card_seq_iterate_careful
Summary: Remove unnecessary parameter, change return value.
Reviewed-by: tschatzl, mgerdin

8166228: Remove unused HeapRegion::object_iterate_mem_careful()
Summary: Removed unused function.
Reviewed-by: mgerdin, tschatzl

8157907: Incorrect inclusion of atomic.hpp instead of atomic.inline.hpp
Summary: Remove atomic.inline.hpp and move the contents back into atomic.hpp
Reviewed-by: stefank, pliden, simonis

8034842: Parallelize the Free CSet phase in G1
Reviewed-by: jmasa, ehelin

8159978: Use an array to store the collection set regions instead of linking through regions
Summary: Fix a potential problem with memory visibility in the sampling thread in the collection set by changing the way we store the collection set.
Reviewed-by: ehelin, jmasa

8150721: Don't explicitly manage G1 young regions in YoungList
Reviewed-by: ehelin, sjohanss, tschatzl

8153507: Improve Card Table Clear Task
Summary: Move card table clear code into remembered set related files. Improve work distribution of this task, and tune thread usage.
Reviewed-by: jmasa, mgerdin

8154452: Deferred cleanups after split of G1CollectorPolicy code
Reviewed-by: ehelin, sjohanss

8153170: Card Live Data does not correctly handle eager reclaim
Summary: The card live data of regions eagerly reclaimed during remark and cleanup pause could be wrong, not considering that these regions were eagerly reclaimed and empty.
Reviewed-by: drwhite, kbarrett

8154154: Separate G1 specific policy code from the CollectorPolicy class hierarchy
Summary: Move G1 runtime policy code to new class G1Policy which is unrelated to CollectorPolicy
Reviewed-by: kbarrett, ehelin

8132524: Missing includes to resourceArea.hpp
Summary: Files that use ResourceMark are missing the include of resourceArea.hpp
Reviewed-by: tschatzl, jwilhelm

Merge

8152632: Rename LogHandle(...) to Log(...)
Reviewed-by: brutisso, mlarsson, rprotacio

8153203: Remove liveRange.hpp
Reviewed-by: mgerdin, jwilhelm

8150002: Check for the validity of oop before printing it in verify_remembered_set
Summary: Adding missing check for valid oop.
Reviewed-by: dcubed
Contributed-by: Shafi Ahmad <shafi.s.ahmad@oracle.com>

8149650: Create a trace event for G1 heap region type transitions
Reviewed-by: jwilhelm, sjohanss

8149542: Missing failure reporting in HeapRegion::verify
Reviewed-by: tschatzl, jprovino

8149541: Use log_error() instead of log_info() when verification reports a problem
Reviewed-by: jwilhelm, tbenson

8148733: G1: Add log message to print the heap region size
Reviewed-by: sjohanss, david

8145442: Add the facility to verify remembered sets for G1
Summary: Implement remembered sets verification for G1 with option VerifyRememberedSets
Reviewed-by: jmasa, mgerdin

8146399: Refactor the BlockOffsetTable classes.
Reviewed-by: mgerdin, jwilhelm, tschatzl

8145672: Remove dependency of G1FromCardCache to HeapRegionRemSet
Summary: Move HeapRegionRemSet::num_par_rem_sets() to G1RemSet, and document it.
Reviewed-by: mgerdin, jmasa

8145092: Use Unified Logging for the GC logging
Summary: JEP-271. VM changes contributed by brutisso, test changes contributed by david.
Reviewed-by: sjohanss, david, brutisso
Contributed-by: bengt.rutisson@oracle.com, david.lindholm@oralce.com

8144837: Improve the printout of heap regions in hs_err dump files.
Reviewed-by: stefank, sjohanss

8138681: Runtime.getFreeMemory() reports wrong value after humongous allocation.
Reviewed-by: tschatzl, mgerdin

8139867: Change how startsHumongous and continuesHumongous regions work in G1.
Reviewed-by: tschatzl, tbenson

8139163: InstanceKlass::cast passes through NULL
Summary: Reduce raw (InstanceKlass*) casts and InstanceKlass::cast, which no long allows null
Reviewed-by: twisti, kbarrett

8080775: Better argument formatting for assert() and friends
Reviewed-by: kbarrett, pliden

8129417: Oop iteration clean-up to remove oop_ms_follow_contents
Reviewed-by: pliden, ehelin

8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
Summary: Need to add a space between macro identifier and string literal
Reviewed-by: stefank, dholmes, kbarrett

8042668: GC Support for shared heap ranges in CDS
Summary: Added "Archive Region" support to the G1 GC
Reviewed-by: tschatzl, brutisso
Contributed-by: tom.benson@oracle.com

7097567: G1: abstract and encapsulate collector phases and transitions between them
Reviewed-by: mgerdin, tschatzl

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david