Fix C++ type of Factory::NewFixedDoubleArray.

src/factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "factory.h"
 
 #include "macro-assembler.h"
 #include "isolate-inl.h"
 #include "v8conversions.h"
 
@@ skipping 70 matching lines @@
 
 
 Handle<FixedArray> Factory::NewUninitializedFixedArray(int size) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateUninitializedFixedArray(size),
       FixedArray);
 }
 
 
-Handle<FixedDoubleArray> Factory::NewFixedDoubleArray(int size,
+Handle<FixedArrayBase> Factory::NewFixedDoubleArray(int size,
                                                       PretenureFlag pretenure) {
   ASSERT(0 <= size);
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateUninitializedFixedDoubleArray(size, pretenure),
-      FixedDoubleArray);
+      FixedArrayBase);
 }
 
 
-Handle<FixedDoubleArray> Factory::NewFixedDoubleArrayWithHoles(
+Handle<FixedArrayBase> Factory::NewFixedDoubleArrayWithHoles(
     int size,
     PretenureFlag pretenure) {
   ASSERT(0 <= size);
-  Handle<FixedDoubleArray> array = NewFixedDoubleArray(size, pretenure);
-  for (int i = 0; i < size; ++i) {
-    array->set_the_hole(i);
+  Handle<FixedArrayBase> array = NewFixedDoubleArray(size, pretenure);
+  if (size > 0) {
+    Handle<FixedDoubleArray> double_array =
+        Handle<FixedDoubleArray>::cast(array);
+    for (int i = 0; i < size; ++i) {
+      double_array->set_the_hole(i);
+    }
   }
   return array;
 }
 
 
 Handle<ConstantPoolArray> Factory::NewConstantPoolArray(
     int number_of_int64_entries,
     int number_of_code_ptr_entries,
     int number_of_heap_ptr_entries,
     int number_of_int32_entries) {
@@ skipping 2210 matching lines @@
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 } }  // namespace v8::internal