Version 3.26.31.3 (merged r21299)

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index ee622f2065f80bfd4b69f67e0e87a12c43f81fd8..bf459bdbdb4a4ec40dc3dd3a78520474fff2c495 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -5473,6 +5473,8 @@ void Heap::AddWeakObjectToCodeDependency(Handle<Object> obj,
                                          Handle<DependentCode> dep) {
   ASSERT(!InNewSpace(*obj));
   ASSERT(!InNewSpace(*dep));
+  // This handle scope keeps the table handle local to this function, which
+  // allows us to safely skip write barriers in table update operations.
   HandleScope scope(isolate());
   Handle<WeakHashTable> table(WeakHashTable::cast(weak_object_to_code_table_),
                               isolate());