1 files changed, 2 insertions, 0 deletions
diff --git a/cpu/o3/rob.hh b/cpu/o3/rob.hh
index 29ec48007..1185564ad 100644
--- a/cpu/o3/rob.hh
+++ b/cpu/o3/rob.hh
@@ -47,6 +47,8 @@
 template <class Impl>
 class ROB
 {
+  protected:
+    typedef TheISA::RegIndex RegIndex;
   public:
     //Typedefs from the Impl.
     typedef typename Impl::FullCPU FullCPU;