Elide write barrier.

Review URL: http://codereview.chromium.org/8659039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10091 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/objects.cc b/src/objects.cc
index 60af1eee8a31de314c4be560f06870b97ffd3da5..1565504c28a67b392ebf2934aa1d386ba793d8db 100644 (file)
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -926,7 +926,7 @@ MaybeObject* String::SlowTryFlatten(PretenureFlag pretenure) {
                     len - first_length);
       }
       cs->set_first(result);
-      cs->set_second(heap->empty_string());
+      cs->set_second(heap->empty_string(), SKIP_WRITE_BARRIER);
       return result;
     }
     default: