Reviewed-by: sla, zgu

Summary: Check for safepoint and block during EA Connection graph construction.
Reviewed-by: roland, vlivanov, shade

Summary: Don't remove KILL projections if their "defining" nodes have SCMemProj projection (memory side effects).
Reviewed-by: iveresov, roland

Reviewed-by: hseigel, ccheung

Summary: code in PhaseIterGVN::add_users_to_worklist() from 8054478 makes incorrect assumption about graph shape
Reviewed-by: iveresov

Summary: dead backbranch in main loop results in erroneous array access
Reviewed-by: kvn, iveresov

Summary: Open compilation log files in write-mode and close before deletion attempt.
Reviewed-by: vlivanov

Reviewed-by: kvn, roland

Summary: Moved allocation context update from remark to the cleanup phase.
Reviewed-by: mgerdin, jmasa

Summary: Added a G1CollectorPolicyExt where it is possible to extend the class.
Reviewed-by: sjohanss, tschatzl

Reviewed-by: coleenp, ccheung

Summary: note all MemberNames created on internal list for adjusting method entries.
Reviewed-by: sspitsyn, dcubed, lfoltan

Summary: Ignore non-instance Klasses in the subclass hierarchy.
Reviewed-by: kvn, iignatyev, jrose

Reviewed-by: sla, stefank

Summary: Read _top before _gc_time_stamp in saved_mark_word() with LoadLoad order to ensure we get a consistent view
Reviewed-by: brutisso, dcubed, dholmes, stefank

Reviewed-by: kvn, roland, coleenp, mgerdin

8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
Summary: Always use MDO if valid and always compile trivial methods with C1 if available.
Reviewed-by: kvn, iveresov

Summary: Signed bitfield size y can only have (1 << y)-1 values.
Reviewed-by: shade, dholmes, jrose, ctornqvi, gtriantafill

8062036: ConcurrentMarkThread::slt may be invoked before ConcurrentMarkThread::makeSurrogateLockerThread causing intermittent crashes
Summary: Suppress gc_alot during VM init, improve error for SLT uninitialized.
Reviewed-by: jmasa, brutisso, tschatzl

Summary: Change CDS non-fatal preloading errors to warnings.
Reviewed-by: minqi, mseledtsov, coleenp

8064556: G1: ParallelGCThreads=0 may cause assert(!MetadataOnStackMark::has_buffer_for_thread(Thread::current())) failed: Should be empty
Reviewed-by: mgerdin, tschatzl

8060467: CMS: small OldPLABSize and -XX:-ResizePLAB cause assert(ResizePLAB || n_blks == OldPLABSize) failed: Error
Reviewed-by: tschatzl, jmasa, kbarrett

8058251: assert(_count > 0) failed: Negative counter when running runtime/NMT/MallocTrackingVerify.java
Summary: Fixed an issue when overflowing the MallocSite hash table bucket
Reviewed-by: coleenp, gtriantafill

Reviewed-by: ctornqvi, coleenp

8057622: java/util/stream/test/org/openjdk/tests/java/util/stream/InfiniteStreamWithLimitOpTest: SEGV inside compiled code (sparc)
Summary: In Parse::array_store_check(), add control edge FROM IfTrue branch of runtime type check of the destination array TO loading _element_klass from destination array.
Reviewed-by: kvn, roland, anoll
Contributed-by: NZoltan Majo <zoltan.majo@oracle.com>

Summary: Update the URL for HotSpot bug reports.
Reviewed-by: dcubed, rdurbin

Reviewed-by: kvn, roland

8065346: WB_AddToBootstrapClassLoaderSearch calls JvmtiEnv::create_a_jvmti when not in _thread_in_vm state
Summary: Removed ThreadToNativeFromVM and use java_lang_String::as_utf8_string instead
Reviewed-by: dholmes, minqi

Summary: Added API to track bootclasspath modification
Reviewed-by: jiangli, dholmes, minqi

Summary: fixed order of DeoptReason values declaration so now it matches the order used in jdk9 and the names order in Deoptimization::_trap_reason_name.
Reviewed-by: kvn

Reviewed-by: mgerdin, coleenp, bdelsart

Summary: Back-out 8052081 changes made in lcm.cpp.
Reviewed-by: iveresov, roland

Summary: Fixed Whitebox.deoptimizeMethod() to deoptimize all OSR versions of the method.
Reviewed-by: kvn, iignatyev

Summary: Fixed 'SimpleThresholdPolicy::event' to always perform OSR if an OSR nmethod is available.
Reviewed-by: kvn, iveresov

Reviewed-by: dholmes, brutisso

Reviewed-by: coleenp, sspitsyn, jfranck

Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs
Reviewed-by: mchung, acorn, jiangli, dholmes

8052172: Evacuation failure handling in G1 does not evacuate all objects if -XX:-G1DeferredRSUpdate is set
Summary: Remove -XX:-G1DeferredRSUpdate functionality as it is racy. During evacuation failure handling, threads where evacuation failure handling occurred may try to add remembered sets to regions which remembered sets are currently being scanned. The iterator to handle the remembered set scan does not support addition of entries during scan and so may skip valid references.
Reviewed-by: iveresov, brutisso, mgerdin

Summary: Ergonomics updates flags for number of GC threads
Reviewed-by: tschatzl, jwilhelm
Contributed-by: sangheon.kim@oracle.com

8058536: java/lang/instrument/NativeMethodPrefixAgent.java fails due to VirtualMachineError: out of space in CodeCache for method handle intrinsic
Summary: Make sure MH intrinsics can be created before compiler instances
Reviewed-by: kvn