[heap] Concurrent store buffer processing.

src/heap/mark-compact.cc

Index: src/heap/mark-compact.cc
diff --git a/src/heap/mark-compact.cc b/src/heap/mark-compact.cc
index d113221edcde594fc51a59c38d43554793b8196b..13aa9726d45c3045ea8ea0c11135e7e391940cbd 100644
--- a/src/heap/mark-compact.cc
+++ b/src/heap/mark-compact.cc
@@ -3440,6 +3440,8 @@ void MarkCompactCollector::EvacuateNewSpaceAndCandidates() {
     TRACE_GC(heap()->tracer(), GCTracer::Scope::MC_EVACUATE_COPY);
     EvacuationScope evacuation_scope(this);
 
+    heap()->store_buffer()->MoveAllEntriesToRememberedSet();

[Hannes Payer (out of office), 2016/10/28 07:15:04]

Instead of doing this, we could also filter out directly in the remembered set
when slots are invalidated in the GC.

+
     EvacuateNewSpacePrologue();
     EvacuatePagesInParallel();
     heap()->new_space()->set_age_mark(heap()->new_space()->top());