commit 8a31eba00023874d4a1dcdc5f411cc4336776874
author Shimeng (Simon) Wang <swang@google.com> Mon Dec 06 19:01:33 2010 -0800
committer Shimeng (Simon) Wang <swang@google.com> Mon Dec 06 19:01:33 2010 -0800
tree 33cb6a918a63be01fdc3e5ed24d015aa5ce6a925
parent 90bac256d9f48d4ee52d0e08bf0e5cad57b3c51c

Update V8 to r5901 as required by WebKit r73109

Change-Id: Ic48c5b085ce90e0151e2e7e58c4c5afe87fce9d1

src/accessors.cc

diff --git a/src/accessors.cc b/src/accessors.cc
index 7c21659..08ef41b 100644
--- a/src/accessors.cc
+++ b/src/accessors.cc
@@ -316,8 +316,10 @@
   InitScriptLineEnds(script);
   ASSERT(script->line_ends()->IsFixedArray());
   Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends()));
-  Handle<FixedArray> copy = Factory::CopyFixedArray(line_ends);
-  Handle<JSArray> js_array = Factory::NewJSArrayWithElements(copy);
+  // We do not want anyone to modify this array from JS.
+  ASSERT(*line_ends == Heap::empty_fixed_array() ||
+         line_ends->map() == Heap::fixed_cow_array_map());
+  Handle<JSArray> js_array = Factory::NewJSArrayWithElements(line_ends);
   return *js_array;
 }