diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 441aa04..6c3e6f4 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -3622,6 +3622,7 @@
 
   DISALLOW_COPY_AND_ASSIGN(HInvokeStaticOrDirect);
 };
+std::ostream& operator<<(std::ostream& os, HInvokeStaticOrDirect::MethodLoadKind rhs);
 std::ostream& operator<<(std::ostream& os, HInvokeStaticOrDirect::ClinitCheckRequirement rhs);
 
 class HInvokeVirtual : public HInvoke {