Remove one more unneccessary conversion to double.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/15204002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14709 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/runtime.cc b/src/runtime.cc
index 434ad8f..849ddbf 100644 (file)
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -676,7 +676,7 @@ bool Runtime::SetupArrayBuffer(Isolate* isolate,
   array_buffer->set_backing_store(data);
 
   Handle<Object> byte_length =
-      isolate->factory()->NewNumber(static_cast<double>(allocated_length));
+      isolate->factory()->NewNumberFromSize(allocated_length);
   CHECK(byte_length->IsSmi() || byte_length->IsHeapNumber());
   array_buffer->set_byte_length(*byte_length);
   return true;