diff --git a/compiler/optimizing/intrinsics.h b/compiler/optimizing/intrinsics.h
index bdeb261..707ff34 100644
--- a/compiler/optimizing/intrinsics.h
+++ b/compiler/optimizing/intrinsics.h
@@ -203,6 +203,7 @@
 
   INTRINSIC_OPTIMIZATION(ArgumentNotNull, 0);
   INTRINSIC_OPTIMIZATION(ArgumentIsString, 1);
+  INTRINSIC_OPTIMIZATION(NoReadBarrierForStringClass, 2);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(StringEqualsOptimizations);