deps: update V8 to 6.4.388.40

PR-URL: https://github.com/nodejs/node/pull/17489
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

1 files changed, 6 insertions, 11 deletions

diff --git a/deps/v8/src/global-handles.h b/deps/v8/src/global-handles.h
index b5c3b2191d..59b94e371b 100644
--- a/deps/v8/src/global-handles.h
+++ b/deps/v8/src/global-handles.h
@@ -97,11 +97,6 @@ class GlobalHandles {
   // Clear the weakness of a global handle.
   static void* ClearWeakness(Object** location);
 
-  // Mark the reference to this object independent.
-  static void MarkIndependent(Object** location);
-
-  static bool IsIndependent(Object** location);
-
   // Tells whether global handle is near death.
   static bool IsNearDeath(Object** location);
 
@@ -154,14 +149,14 @@ class GlobalHandles {
   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.
+  // Marks weak unmodified handles satisfying |is_dead| as pending.
   void MarkNewSpaceWeakUnmodifiedObjectsPending(
-      WeakSlotCallbackWithHeap is_unscavenged);
+      WeakSlotCallbackWithHeap is_dead);
 
-  // Iterates over weak independent or unmodified handles.
-  // See the note above.
-  void IterateNewSpaceWeakUnmodifiedRoots(RootVisitor* v);
+  // Iterates over weak unmodified handles. See the note above.
+  void IterateNewSpaceWeakUnmodifiedRootsForFinalizers(RootVisitor* v);
+  void IterateNewSpaceWeakUnmodifiedRootsForPhantomHandles(
+      RootVisitor* v, WeakSlotCallbackWithHeap should_reset_handle);
 
   // Identify unmodified objects that are in weak state and marks them
   // unmodified