Adding ElementsAccessor::Unshift

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index a37fcd58369c83a7fcb4be93efa62cd8eb658656..ed492d5359f49db4aa0520470a09a6e1f078bc07 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -2425,6 +2425,9 @@ bool FixedArray::is_the_hole(int index) {
 }
 
 
+void FixedArray::SetValue(uint32_t index, Object* value) { set(index, value); }
+
+
 void FixedArray::set(int index, Smi* value) {
   DCHECK(map() != GetHeap()->fixed_cow_array_map());
   DCHECK(index >= 0 && index < this->length());
@@ -2472,6 +2475,11 @@ Handle<Object> FixedDoubleArray::get(Handle<FixedDoubleArray> array,
 }
 
 
+void FixedDoubleArray::SetValue(uint32_t index, Object* value) {
+  set(index, value->Number());
+}
+
+
 void FixedDoubleArray::set(int index, double value) {
   DCHECK(map() != GetHeap()->fixed_cow_array_map() &&
          map() != GetHeap()->fixed_array_map());