- Added conditional write barrier to object accessors....

src/builtins.cc

Index: src/builtins.cc
===================================================================
--- src/builtins.cc	(revision 564)
+++ src/builtins.cc	(working copy)
@@ -177,7 +177,7 @@
   Object* obj = Heap::AllocateFixedArrayWithHoles(len->value());
   if (obj->IsFailure()) return obj;
   FixedArray* elms = FixedArray::cast(obj);
-  FixedArray::WriteBarrierMode mode = elms->GetWriteBarrierMode();
+  WriteBarrierMode mode = elms->GetWriteBarrierMode();
   // Fill in the content
   for (int index = 0; index < number_of_elements; index++) {
     elms->set(index, BUILTIN_ARG(index+1), mode);
@@ -185,7 +185,7 @@
 
   // Set length and elements on the array.
   array->set_elements(FixedArray::cast(obj));
-  array->set_length(len);
+  array->set_length(len, SKIP_WRITE_BARRIER);
 
   return array;
 }
@@ -214,7 +214,7 @@
     Object* obj = Heap::AllocateFixedArrayWithHoles(capacity);
     if (obj->IsFailure()) return obj;
     FixedArray* new_elms = FixedArray::cast(obj);
-    FixedArray::WriteBarrierMode mode = new_elms->GetWriteBarrierMode();
+    WriteBarrierMode mode = new_elms->GetWriteBarrierMode();
     // Fill out the new array with old elements.
     for (int i = 0; i < len; i++) new_elms->set(i, elms->get(i), mode);
     // Add the provided values.
@@ -225,7 +225,7 @@
     array->set_elements(new_elms);
   }
   // Set the length.
-  array->set_length(Smi::FromInt(new_length));
+  array->set_length(Smi::FromInt(new_length), SKIP_WRITE_BARRIER);
   return array->length();
 }
 BUILTIN_END
@@ -244,12 +244,11 @@
   Object* top = elms->get(len - 1);
 
   // Set the length.
-  array->set_length(Smi::FromInt(len - 1));
+  array->set_length(Smi::FromInt(len - 1), SKIP_WRITE_BARRIER);
 
   if (!top->IsTheHole()) {
     // Delete the top element.
     elms->set_the_hole(len - 1);
-
     return top;
   }