Version 4.10.140.1 (cherry-pick)

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 f23918cbfe1f9c9da1e294839b634f93c17e6cf2..fa55649db2f6de4e9ca362b093d86356a68bbbc8 100644
--- a/src/heap/mark-compact.cc
+++ b/src/heap/mark-compact.cc
@@ -3282,10 +3282,18 @@ void MarkCompactCollector::EvacuatePagesInParallel() {
 
   // Set up compaction spaces.
   Evacuator** evacuators = new Evacuator*[num_tasks];
+  CompactionSpaceCollection** compaction_spaces_for_tasks =
+      new CompactionSpaceCollection*[num_tasks];
   for (int i = 0; i < num_tasks; i++) {
     evacuators[i] = new Evacuator(this, evacuation_candidates_,
                                   newspace_evacuation_candidates_);
+    compaction_spaces_for_tasks[i] = evacuators[i]->compaction_spaces();
   }
+  heap()->old_space()->DivideUponCompactionSpaces(compaction_spaces_for_tasks,
+                                                  num_tasks);
+  heap()->code_space()->DivideUponCompactionSpaces(compaction_spaces_for_tasks,
+                                                   num_tasks);
+  delete[] compaction_spaces_for_tasks;
 
   // Kick off parallel tasks.
   StartParallelCompaction(evacuators, num_tasks);