src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp

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rev 2652 : 7085906: Replace the permgen allocated sentinelRef with a self-looped end
Summary: Remove the sentinelRef and let the last Reference in a discovered chain point back to itself.
Reviewed-by: TBD1, TBD2

*** 514,524 **** // General strong roots. { ParallelScavengeHeap::ParStrongRootsScope psrs; Universe::oops_do(mark_and_push_closure()); - ReferenceProcessor::oops_do(mark_and_push_closure()); JNIHandles::oops_do(mark_and_push_closure()); // Global (strong) JNI handles CodeBlobToOopClosure each_active_code_blob(mark_and_push_closure(), /*do_marking=*/ true); Threads::oops_do(mark_and_push_closure(), &each_active_code_blob); ObjectSynchronizer::oops_do(mark_and_push_closure()); FlatProfiler::oops_do(mark_and_push_closure()); --- 514,523 ----
*** 621,631 **** PSOldGen* old_gen = heap->old_gen(); PSPermGen* perm_gen = heap->perm_gen(); // General strong roots. Universe::oops_do(adjust_root_pointer_closure()); - ReferenceProcessor::oops_do(adjust_root_pointer_closure()); JNIHandles::oops_do(adjust_root_pointer_closure()); // Global (strong) JNI handles Threads::oops_do(adjust_root_pointer_closure(), NULL); ObjectSynchronizer::oops_do(adjust_root_pointer_closure()); FlatProfiler::oops_do(adjust_root_pointer_closure()); Management::oops_do(adjust_root_pointer_closure()); --- 620,629 ----