--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.loop/src/org/graalvm/compiler/loop/MathUtil.java	2019-03-09 03:56:59.749043749 +0100
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.loop/src/org/graalvm/compiler/loop/MathUtil.java	2019-03-09 03:56:59.385041174 +0100
@@ -88,7 +88,7 @@
         if (isConstantOne(divisor)) {
             return dividend;
         }
-        ValueNode div = graph.addOrUniqueWithInputs(createDiv.apply(dividend, divisor));
+        ValueNode div = createDiv.apply(dividend, divisor);
         if (div instanceof FixedBinaryNode) {
             FixedBinaryNode fixedDiv = (FixedBinaryNode) div;
             if (before.predecessor() instanceof FixedBinaryNode) {
@@ -98,7 +98,7 @@
                     return binaryPredecessor;
                 }
             }
-            graph.addBeforeFixed(before, fixedDiv);
+            graph.addBeforeFixed(before, graph.addOrUniqueWithInputs(fixedDiv));
         }
         return div;
     }