Support all fast elements kinds in the major array operations.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index ab9ce1af127c07043a0909ec3908cb1b90a14696..1d42c46e1560e73f3d7db6a26e0cdbd4ffb33eaf 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -1944,7 +1944,7 @@ void FixedArray::set_null_unchecked(Heap* heap, int index) {
 }
 
 
-Object** FixedArray::data_start() {
+Object** FixedArrayBase::data_start() {

[danno, 2012/11/13 22:05:12]

Whoa. Either return a void* and the caller has to cast appropriately, or this
needs to stay a FixedArray-specific method.

[Toon Verwaest, 2012/11/14 11:53:13]

Done.

   return HeapObject::RawField(this, kHeaderSize);
 }