From b8f8dea9c2651ea34ebc6fac2e0503931e07f867 Mon Sep 17 00:00:00 2001
From: Roland Westrelin <roland@openjdk.org>
Date: Fri, 20 Mar 2020 13:58:05 +0100
Subject: [PATCH] 8241365: Define Unique_Node_List::contains() to prevent usage
 by mistake

Reviewed-by: kvn, thartmann
---
 src/hotspot/share/opto/node.hpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/hotspot/share/opto/node.hpp b/src/hotspot/share/opto/node.hpp
index 6d05eefe62e..dc89579998d 100644
--- a/src/hotspot/share/opto/node.hpp
+++ b/src/hotspot/share/opto/node.hpp
@@ -1558,6 +1558,11 @@ public:
   // Used after parsing to remove useless nodes before Iterative GVN
   void remove_useless_nodes(VectorSet& useful);
 
+  bool contains(const Node* n) const {
+    fatal("use faster member() instead");
+    return false;
+  }
+
 #ifndef PRODUCT
   void print_set() const { _in_worklist.print(); }
 #endif