Support weak heap references in the ConstantPool to support IsWeakObjectInOptimizedCode objects.

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 7e66a569a0dc71f02ef99ff86cbcf6cf2838d4c3..4089dc0c50d8724f7aff58dd17ba31917f594792 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -83,14 +83,17 @@ Handle<ConstantPoolArray> Factory::NewConstantPoolArray(
     int number_of_int64_entries,
     int number_of_code_ptr_entries,
     int number_of_heap_ptr_entries,
+    int number_of_weak_ptr_entries,
     int number_of_int32_entries) {
   ASSERT(number_of_int64_entries > 0 || number_of_code_ptr_entries > 0 ||
-         number_of_heap_ptr_entries > 0 || number_of_int32_entries > 0);
+         number_of_heap_ptr_entries > 0 || number_of_weak_ptr_entries > 0 ||
+         number_of_int32_entries > 0);
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateConstantPoolArray(number_of_int64_entries,
                                                    number_of_code_ptr_entries,
                                                    number_of_heap_ptr_entries,
+                                                   number_of_weak_ptr_entries,
                                                    number_of_int32_entries),
       ConstantPoolArray);
 }