Support all fast elements kinds in the major array operations.

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 5e760c3e6bbc853c79fc4c76e1aaae5871547618..61d39f50b9aa4eb897d466afc7c75daf68d41b8d 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -4181,7 +4181,7 @@ MaybeObject* Heap::AllocateJSObjectFromMap(Map* map, PretenureFlag pretenure) {
   InitializeJSObjectFromMap(JSObject::cast(obj),
                             FixedArray::cast(properties),
                             map);
-  ASSERT(JSObject::cast(obj)->HasFastSmiOrObjectElements());
+  ASSERT(JSObject::cast(obj)->HasFastElements());
   return obj;
 }
 
@@ -4246,7 +4246,8 @@ MaybeObject* Heap::AllocateJSArrayAndStorage(
 
   FixedArrayBase* elms;
   MaybeObject* maybe_elms = NULL;
-  if (elements_kind == FAST_DOUBLE_ELEMENTS) {
+  if (elements_kind == FAST_DOUBLE_ELEMENTS ||
+      elements_kind == FAST_HOLEY_DOUBLE_ELEMENTS) {

[danno, 2012/11/15 10:34:28]

IsFastDoubleElementsKind(elements_kind)

     if (mode == DONT_INITIALIZE_ARRAY_ELEMENTS) {
       maybe_elms = AllocateUninitializedFixedDoubleArray(capacity);
     } else {
@@ -4273,13 +4274,14 @@ MaybeObject* Heap::AllocateJSArrayAndStorage(
 MaybeObject* Heap::AllocateJSArrayWithElements(
     FixedArrayBase* elements,
     ElementsKind elements_kind,
+    int length,
     PretenureFlag pretenure) {
   MaybeObject* maybe_array = AllocateJSArray(elements_kind, pretenure);
   JSArray* array;
   if (!maybe_array->To(&array)) return maybe_array;
 
   array->set_elements(elements);
-  array->set_length(Smi::FromInt(elements->length()));
+  array->set_length(Smi::FromInt(length));
   array->ValidateElements();
   return array;
 }