Summary: Running G1 with ParallelGCThreads==0 results in various crashes and asserts. Most of these are caused by unguarded references to the worker threads array or an incorrect number of active workers.
Reviewed-by: jmasa, tonyp

Summary: Renamed partially-young GCs as mixed and fully-young GCs as young. Change all external output that includes those terms (GC log and GC ergo log) as well as any comments, fields, methods, etc. The changeset also includes very minor code tidying up (added some curly brackets).
Reviewed-by: johnc, brutisso

Summary: Cache workers' calculated starting heap region, used for parallel iteration over the collcection set, for subsequent reuse.
Reviewed-by: tonyp, brutisso

Summary: Fixed G1CollectedHeap::is_in, added tests, cleaned up comments and made Space::is_in pure virtual.
Reviewed-by: brutisso, tonyp, jcoomes

Summary: Provoke a GC for a metadata allocation failure.
Reviewed-by: johnc, iveresov

Summary: An integer underflow can cause the RSet lengths to be massively overpredicted which forces the eden size to the minimum.
Reviewed-by: brutisso, johnc

Summary: UseCompressedOops is false by default on MacOS X; can still be set manually
Reviewed-by: jmelvin, kvn, dholmes

Summary: Add a file, globals_ext.hpp, containing a null interface, to be replaced by a vendor in altsrc as needed.
Reviewed-by: coleenp, kamg, dholmes, johnc, jrose

Summary: Delay memory node transformation until the memory is processed.
Reviewed-by: iveresov, never

Summary: Enable tiered compilation on server VM by default
Reviewed-by: kvn, never

Summary: Revert 7116481 to current hsx/hotspot-main
Reviewed-by: kamg

Summary: Add -XX:+UnlockCommercialVMOptions to gate use of commercial feature switches in the same way as -XX:UnlockDiagnosticVMOptions gates use of diagnostic feature switches.
Reviewed-by: jwilhelm, kamg

Summary: Fixed several EA issues with Connection Graph construction.
Reviewed-by: never, twisti

Summary: Enabled reference processing when work stealing during concurrent marking
Reviewed-by: jmasa, brutisso

7114095: G1: assert(obj == oopDesc::load_decode_heap_oop(p)) failed: p should still be pointing to obj
Summary: As a result of  the changes for 4965777, the G1 reference field scanning closure could be applied to the discovered field of a reference object twice. The failing assert is too strong if the result of the first application of the closure is stolen, and the referenced object, evacuated by another worker thread.
Reviewed-by: ysr, tonyp

Summary: Remove obsolete code.
Reviewed-by: brutisso, ysr, jcoomes

Summary: Remove dead code.
Reviewed-by: stefank, ysr

Summary: allow reg_class definition as a function.
Reviewed-by: kvn, never

Summary: Parallelize the serial code that was used to mark objects reachable from survivor objects in the collection set. Some minor improvments in the timers used to track the freeing of the collection set along with some tweaks to PrintGCDetails.
Reviewed-by: tonyp, brutisso

Summary: Race between the VM thread reading G1CollectedHeap::_mark_in_progress and it being set by the concurrent mark thread when concurrent marking is aborted by a full GC. Have the concurrent mark thread join the SuspendibleThreadSet before changing the marking state.
Reviewed-by: tonyp, brutisso

Reviewed-by: dholmes, dsamersoff
Contributed-by: NChris Hegarty <chris.hegarty@oracle.com>

Reviewed-by: ysr, dholmes

Summary: Reduce what arrayOopDesc::max_array_length() returns to avoid int overflow
Reviewed-by: kvn, dholmes, tonyp

Summary: Disable PrintVMOptions by default for all builds
Reviewed-by: dsamersoff, twisti

Summary: Added case for _adaptive_size_policy
Reviewed-by: johnc, ysr

Summary: Use dead nodes elimination code in PhaseIdealLoop before executing EA.
Reviewed-by: never, twisti

Summary: zero array when compiled code is deoptimized.
Reviewed-by: never, twisti

7087727: JSR 292: C2 crash if ScavengeRootsInCode=2 when "static final" MethodHandle constants are in use
Reviewed-by: jrose, kvn, never

Reviewed-by: jrose, kvn

Reviewed-by: kvn, jrose, twisti

Reviewed-by: johnc, brutisso, poonam

Summary: Keep track of all the old regions in the heap with a heap region set.
Reviewed-by: brutisso, johnc

Summary: Split adjust_escape_state() method into two methods to find initializing stores.
Reviewed-by: never

Reviewed-by: never, kvn
Contributed-by: NAndreas Schoesser <andreas.schoesser@sap.com>

Reviewed-by: kvn, never

Reviewed-by: kvn

Summary: _cset_rs_update_cl[] was indexed with values beyond what it is set up to handle.
Reviewed-by: ysr, jmasa, johnc

Summary: Moved precompiled.hpp to src/share/vm/precompiled
Reviewed-by: coleenp, dholmes
Contributed-by: Nrbackman <rickard.backman@oracle.com>

Reviewed-by: never, kvn

Summary: arrayOopDesc::max_array_length() should return a value that does not overflow a size_t if it is converted to bytes.
Reviewed-by: kvn, dholmes