Summary: Update the task local finger to the start of the next object when marking aborts, in order to avoid the redundant scanning of all 0's when the marking task restarts, if otherwise updating to the next word. In addition, reuse the routine nextObject() in routine iterate().
Reviewed-by: johnc, ysr
Contributed-by: Ntamao <tao.mao@oracle.com>

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: jmasa, johnc, ysr
Contributed-by: michal@frajt.eu

Reviewed-by: jcoomes

Reviewed-by: kvn, vlivanov

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

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

Summary: report_vm_out_of_memory() should allow VMError.report_and_die() to handle multiple out of native memory errors.
Reviewed-by: dcubed, dholmes, coleenp, acorn
Contributed-by: ron.durbin@oracle.com

Summary: Add regression test for crash seen in 8005875. Test is run with G1 and PGCT=0 and issues "jcmd <pid> Thread.print" against itself. Without the fix for 8005875 the test will crash.
Reviewed-by: brutisso

Summary: Delete the questionable source code because it is for no-longer supported versions of Linux.
Reviewed-by: mikael, coleenp

Summary: Regression test for 8000311. Verifies that PLABStats works with zero parallel GC threads.
Reviewed-by: jmasa, johnc
Contributed-by: NFilipp Zhinkin <filipp.zhinkin@oracle.com>

Summary: Modify WhiteBoxAPI to use interface classes from test/testlibrary instead, add ClassFileInstaller to resolve the boot class path issue
Reviewed-by: ctornqvi, dsamersoff, coleenp, kvn

Summary: Adds code to HotSpot to properly update MethodParameter attributes' constant pool indexes when redefineClasses is called
Reviewed-by: coleenp, sspitsyn