Version 3.5.4

Added preliminary implementation of ES Harmony weak maps.  Weak maps can be enabled by the flag --harmony_weakmaps.

Introduced a toplevel Makefile to support GYP-based building.  GYP can be found at http://gyp.googlecode.com.

Fixed a bug in the length property of functions created by Function.prototype.bind.

Reduced malloc heap allocation on process startup.

Several important code generation bug fixes.

Performance improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@8874 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/jsregexp.cc b/src/jsregexp.cc
index bc47df8..af64437 100644
--- a/src/jsregexp.cc
+++ b/src/jsregexp.cc
@@ -267,7 +267,7 @@
                                seq_sub->ToUC16Vector(),
                                needle->ToUC16Vector(),
                                index)));
-    if (index == -1) return FACTORY->null_value();
+    if (index == -1) return isolate->factory()->null_value();
   }
   ASSERT(last_match_info->HasFastElements());