--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/match/MatchableNode.java	2019-03-28 07:36:57.752549664 +0100
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/match/MatchableNode.java	2019-03-28 07:36:57.376547151 +0100
@@ -64,4 +64,6 @@
      * Can a node with multiple uses be safely matched by a rule.
      */
     boolean shareable() default false;
+
+    boolean ignoresSideEffects() default false;
 }