Reviewed-by: jcoomes, ohair

Summary: Stop adding old regions to collection set when the remaining reclaimable bytes reaches, or goes below, G1HeapWastePercent. Changes were also reviewed by Vitaly Davidovich <vitalyd@gmail.com>.
Reviewed-by: brutisso

Reviewed-by: stefank, jmasa

Reviewed-by: jcoomes

Summary: Make deadlock detection a little more robust in the case of being unable to find the JavaThread associated with an object lock.
Reviewed-by: sla, acorn

Reviewed-by: poonam, sla

Reviewed-by: rbackman, sla, poonam

Reviewed-by: kvn, vlivanov

Summary: Fix the build without precompiled headers by either including the missing ".inline.hpp" files into the appropriate files or by turning inline-functions declared in header files into ordinary functions in ".cpp" files.
Reviewed-by: coleenp, stefank, dholmes

Summary: if more than 100 seconds and more than 100 iterations have both passed, then exit is allowed.
Reviewed-by: kvn

Summary: Corrected formatted prints to have matching arguments, removed dead print_frame_layout function
Reviewed-by: sla, dholmes

Reviewed-by: kvn, sla

Summary: GetAndSetP's MachNode should capture bottom type.
Reviewed-by: kvn

Summary: InitializeNode::can_capture_store() must check that the captured store doesn't overwrite a memory location that is loaded before the store.
Reviewed-by: kvn

Reviewed-by: jcoomes

Summary: Zero Symbol* for constant pool strings to indicate pseudo_strings (objects that aren't strings).  Clean up JVM_CONSTANT_Object and unused flags.
Reviewed-by: sspitsyn, jrose

Reviewed-by: coleenp, mgronlun

Summary: SystemDictionary::find(...) should not create and register ClassLoaderData objects for class loaders.
Reviewed-by: coleenp, acorn
Contributed-by: NStefan Karlsson &lt;stefan.karlsson@oracle.com&gt;, Erik Helin <erik.helin@oracle.com>

Summary: Added NULL pointer check for arena size record
Reviewed-by: sspitsyn, dholmes