Merge bleeding edge up to 9192 into the GC branch.

src/extensions/externalize-string-extension.cc

Index: src/extensions/externalize-string-extension.cc
diff --git a/src/extensions/externalize-string-extension.cc b/src/extensions/externalize-string-extension.cc
index b3f83fe98dfdb9f5d6183d3585345cc44f6487c4..9fbf3298189acdace28f175af3f855b5ae13bd68 100644
--- a/src/extensions/externalize-string-extension.cc
+++ b/src/extensions/externalize-string-extension.cc
@@ -133,9 +133,11 @@ v8::Handle<v8::Value> ExternalizeStringExtension::IsAscii(
 
 
 void ExternalizeStringExtension::Register() {
-  static ExternalizeStringExtension externalize_extension;
+  static ExternalizeStringExtension* externalize_extension = NULL;
+  if (externalize_extension == NULL)
+    externalize_extension = new ExternalizeStringExtension;
   static v8::DeclareExtension externalize_extension_declaration(
-      &externalize_extension);
+      externalize_extension);
 }
 
 } }  // namespace v8::internal