diff -r eaa43f765cbd -r 06a0015b6a5c jitcraft/Barriers.h
--- a/jitcraft/Barriers.h	Fri Jul 20 00:03:10 2012 -0700
+++ b/jitcraft/Barriers.h	Mon Jul 23 01:19:44 2012 -0700
@@ -78,7 +78,7 @@
         return *this;
     }
     Object **addr() {
-        return &obj_;
+        return reinterpret_cast<Object **>(&obj_);
     }
     operator bool () const {
         return !!obj_;