deps: update V8 to 6.1.534.36

PR-URL: https://github.com/nodejs/node/pull/14730
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/deps/v8/src/global-handles.h b/deps/v8/src/global-handles.h
index c56568de9f..6a25134698 100644
--- a/deps/v8/src/global-handles.h
+++ b/deps/v8/src/global-handles.h
@@ -92,6 +92,8 @@ class GlobalHandles {
     number_of_phantom_handle_resets_ = 0;
   }
 
+  size_t NumberOfNewSpaceNodes() { return new_space_nodes_.length(); }
+
   // Clear the weakness of a global handle.
   static void* ClearWeakness(Object** location);
 
@@ -118,6 +120,7 @@ class GlobalHandles {
   void IterateAllRoots(RootVisitor* v);
 
   void IterateAllNewSpaceRoots(RootVisitor* v);
+  void IterateNewSpaceRoots(RootVisitor* v, size_t start, size_t end);
 
   // Iterates over all handles that have embedder-assigned class ID.
   void IterateAllRootsWithClassIds(v8::PersistentHandleVisitor* v);
@@ -142,9 +145,14 @@ class GlobalHandles {
   // guaranteed to contain all handles holding new space objects (but
   // may also include old space objects).
 
-  // Iterates over strong and dependent handles. See the node above.
+  // Iterates over strong and dependent handles. See the note above.
   void IterateNewSpaceStrongAndDependentRoots(RootVisitor* v);
 
+  // Iterates over strong and dependent handles. See the note above.
+  // Also marks unmodified nodes in the same iteration.
+  void IterateNewSpaceStrongAndDependentRootsAndIdentifyUnmodified(
+      RootVisitor* v, size_t start, size_t end);
+
   // Finds weak independent or unmodified handles satisfying
   // the callback predicate and marks them as pending. See the note above.
   void MarkNewSpaceWeakUnmodifiedObjectsPending(