Merge r9615 into 3.5 branch.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 588b0f63a8d230cab6dcdee3ea699b65c817b3e2..ff3be03b74cc15a6b1cefc152754f2d83c31c216 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -1755,7 +1755,11 @@ void FixedDoubleArray::Initialize(FixedDoubleArray* from) {
                 old_length * kDoubleSize);
   } else {
     for (int i = 0; i < old_length; ++i) {
-      set(i, from->get_scalar(i));
+      if (from->is_the_hole(i)) {
+        set_the_hole(i);
+      } else {
+        set(i, from->get_scalar(i));
+      }
     }
   }
   int offset = kHeaderSize + old_length * kDoubleSize;