Reviewed-by: kbarrett, dholmes

Summary: Check for overflow when inverting the loop during the counted loop conversion
Reviewed-by: kvn

8049881: jstack not working on core files
Summary: These changes add some definitions on the SA side and the supporting code on the hotspot side.
Reviewed-by: sla, dsamersoff, mgronlun

8068881: SIGBUS in C2 compiled method weblogic.wsee.jaxws.framework.jaxrpc.EnvironmentFactory$SimulatedWsdlDefinitions.<init>
Summary: Use MachMerge to hook together defs of the same multidef value in a block
Reviewed-by: kvn, vlivanov

Reviewed-by: kvn

Reviewed-by: sla, sspitsyn

Reviewed-by: jwilhelm, tschatzl, stefank

Summary: Add missing C->failing() check after Connection graph construction.
Reviewed-by: iveresov

Reviewed-by: sspitsyn, dcubed

8071302: assert(!_reg_node[reg_lo] || edge_from_to(_reg_node[reg_lo], def)) failed: after block local
Summary: Add merge nodes to node to block mapping
Reviewed-by: kvn, vlivanov

8062063: Usage of UseHugeTLBFS, UseLargePagesInMetaspace and huge SurvivorAlignmentInBytes cause crashes in CMBitMapClosure::do_bit
Summary: Making sure committed memory is cleared when re-committed, even if using large pages.
Reviewed-by: jwilhelm, tschatzl

8062063: Usage of UseHugeTLBFS, UseLargePagesInMetaspace and huge SurvivorAlignmentInBytes cause crashes in CMBitMapClosure::do_bit
Summary: Making sure committed memory is cleared when re-committed, even if using large pages.
Reviewed-by: jwilhelm, tschatzl

Summary: Interpreter::remove_activation_entry() is not defined for the C++ interpreter
Reviewed-by: roland, coleenp
Contributed-by: NSeverin Gehwolf <sgehwolf@redhat.com>

Summary: Check for dead input nodes after replacing compare node with implicit null check.
Reviewed-by: kvn

Summary: bad assumption on graph shape in CastIINode::Value if that part of the graph is becoming dead.
Reviewed-by: kvn

Summary: range check smearing uncorrectly adjust first range check in a list of range checks to cover all of them
Reviewed-by: jrose, kvn, iveresov

Summary: -XX:+TraceDeoptimization tries to print realloc'ed objects even when there are none
Reviewed-by: kvn

Summary: The new code in 8u backport should guard the execution of the following code instead of return.
Reviewed-by: iveresov

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

Reviewed-by: jrose, acorn, vlivanov

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

Summary: OOM during reallocation of scalar replaced objects in deoptimization causes crashes
Reviewed-by: kvn, jrose

Reviewed-by: coleenp, hseigel, poonam

Summary: PhaseIdealLoop::split_if_with_blocks_post() shoulnd't reorder range checks adjusted by range check smearing
Reviewed-by: kvn, jrose

Summary: in FileMapInfo::fail_continue do not set UseSharedSpaces = false
Reviewed-by: dholmes, ccheung

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: refactor close to remove references to closed ports
Reviewed-by: kvn, simonis, sgehwolf, dholmes

Summary: use correct CHECK macro in call to load_class()
Reviewed-by: coleenp, lfoltan, gziemski

Reviewed-by: dcubed, pnauman, ctornqvi, dholmes, mschoene
Contributed-by: gerald.thornbrugh@oracle.com

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