Summary: Remove the assumption that G1CollectedHeap::in_cset_fast_test needs to check for NULL references. Most of the time this is not required, making the code doing this check multiple times.
Reviewed-by: stefank, mgerdin, jmasa

Summary: Move methods that are not dependent on any of G1ParCopyClosure's template parameters into G1ParCopyHelper. Further remove unused methods and members of the class hierarchy.
Reviewed-by: mgerdin, stefank

Reviewed-by: dholmes, jbachorik, egahlin, mgronlun

Reviewed-by: dholmes, acorn, kamg

Summary: restore the flag
Reviewed-by: twisti

Summary: Remove search in system dictionary and hacks, replace with verifying in CLD::_klasses list.
Reviewed-by: dcubed, acorn

Summary: When string and symbol table unlink are not performed in parallel, the claim index we check is not updated, and so a guarantee fails. Take this into account when checking the guarantee.
Reviewed-by: brutisso, jwilhelm

8033106: Wrong predicate for checking whether the correct amount of symbol table entries have been processed in G1
Summary: The change fixes the predicate check.
Reviewed-by: jmasa, tonyp, stefank

Summary: Clean up and slightly optimize reference handling from the GC reference task queue. Since we never push partial array chunks as narrowOop* we can manually specialize the code so that some code can be optimized away.
Reviewed-by: tonyp, brutisso, stefank

Summary: Made the flags Min- and MaxHeapFreeRatio manageable, and implemented support for these flags in ParallelGC.
Reviewed-by: sla, mgerdin, brutisso

8028553: The JVM should not throw VerifyError when 'overriding' a static final method in a superclass.
Summary: Check if method is static before throwing exception.
Reviewed-by: kamg, coleenp, lfoltan, fparain

Summary: Move the option to obsolete options list, purge the redundant compiler code.
Reviewed-by: kvn, jrose

Summary: type methods shouldn't always operate on speculative part
Reviewed-by: kvn, twisti

8030027: nsk/jvmti/scenarios/hotswap/HS101/hs101t006 Crashed the vm on Linux-amd64: SIGSEGV in JavaThread::last_java_vframe(RegisterMap*)+0xfa
Summary: Add a safe guard to VMOp_GetCurrentLocation against non-walkable stack of target thread exiting from Java execution
Reviewed-by: mgronlun, dholmes, sla, dcubed
Contributed-by: serguei.spitsyn@oracle.com

Summary: Remove the above mentioned template parameter and related unused code. Also remove some classes that are never used.
Reviewed-by: stefank, mgerdin, jwilhelm

8027454: Do not traverse string table during G1 remark when treating them as strong roots during initial mark
Summary: Do not try to unlink string table entries unconditionally during remark. This is without side effects as the preceding initial mark always uses the string table as strong roots. Needs to be fixed with class unloading during concurrent mark.
Reviewed-by: brutisso, mgerdin

8027455: Improve symbol table scan times during gc pauses
Summary: Parallelize string table and symbol table scan during remark and full GC. Some additional statistics output if the experimental flag G1TraceStringSymbolTableScrubbing is set.
Reviewed-by: mgerdin, coleenp, brutisso

Summary: Move access check above the check for non-static method
Reviewed-by: lfoltan, coleenp

Summary: Return immediately if _prologue == NULL, instead of asserting
Reviewed-by: ccheung, coleenp

Summary: Add intrinsics/stub routines support for single-block and multi-block (as used by Cipher Block Chaining mode) AES encryption and decryption operations on the SPARC platform.
Reviewed-by: kvn, roland
Contributed-by: shrinivas.joshi@oracle.com

Summary: Generate correct "vtable stub" dynamic code notifications
Reviewed-by: sspitsyn, kvn, coleenp
Contributed-by: oleg.mazurov@oracle.com

8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
Summary: clarifying the error messages associated with vm options of type diagnostic, experimental, develop, and notproduct
Reviewed-by: kvn, twisti, ctornqvi

Summary: removing a check in LinkResolver::resolve_method() to conform with a change in JVMS-8 5.4.3.3. Method Resolution
Reviewed-by: coleenp, lfoltan

Summary: Restoring bytecodes for invokedynamic had wrong index calculation added testing stress option.
Reviewed-by: twisti, hseigel

Summary: c1 and interpreter support for new type profiling on sparc
Reviewed-by: kvn, twisti

8030662: "assert(counter_changed) failed: failed dependencies, but counter didn't change" still fails
Summary: Erroneously removed call to SystemDictionary::notice_modification() from jvmti with fix for 8029383
Reviewed-by: iveresov, twisti, kvn

Summary: Fix the assert check for narrow klass pointer.
Reviewed-by: twisti, kvn

8031059: invokestatic: ICCE trying to invoke static method when it clashes with an abstract method inherited from an interface
Summary: Do not create AME overpass if there is a matching static method
Reviewed-by: lfoltan, coleenp, kamg

Summary: Use atomic operations to provide sequential compilation IDs
Reviewed-by: kvn, twisti

Reviewed-by: kvn, twisti

8011391: C1: assert(code_offset() - offset == NativeInstruction::nop_instruction_size) failed: only one instruction can go in a delay slot
Summary: Remove the VerifyOopMaps flag which doesn't work for tiered or for C1 with more compiler threads than one.
Reviewed-by: twisti, drchase, iveresov

Summary: Allow dump and replay inlining for specified method during a program execution.
Reviewed-by: roland, twisti

8029446: assert(_cfg.get_block_for_node(proj) == borig) failed: incorrect block for kill projections
Summary: Added loadConP0 projection node to block in case of re-materialization of the loadConP0. x86_64 only.
Reviewed-by: kvn

Summary: May end up in uncommon trap blob/deopt blob with unguarded stack
Reviewed-by: kvn, twisti

Summary: Metaspace::contains cannot look at purged metaspaces while CMS concurrently deallocates them.
Reviewed-by: mgerdin, sspitsyn, jmasa

Summary: The method Bitmap::par_put_range_within_word reloads the original value during a CAS, which may be optimized away. Instead of reloading, use the value returned by Atomic::cmpxchg_ptr() for further processing.
Reviewed-by: tschatzl, brutisso, tonyp
Contributed-by: NMatthias Braun <matthia.braun@sap.com>

Summary: meet of one constant array and one exact array not symmetric.
Reviewed-by: kvn

Summary: when unique callee is known at compile time, recorded class may be wrong
Reviewed-by: kvn, iveresov

Summary: Correct timing measurement by modifying the scope of the GCTraceTime instance.
Reviewed-by: ysr, tamao
Contributed-by: NJeremy Manson <jeremymanson@google.com>

Summary: Make object non-scalarizable if it has field with multiple bases one of which is null
Reviewed-by: kvn, twisti