--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/IntegerDivRemNode.java	2017-12-13 08:52:39.000000000 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/IntegerDivRemNode.java	2017-12-13 08:52:39.000000000 -0800
@@ -60,7 +60,8 @@
 
         // Assigning canDeopt during constructor, because it must never change during lifetime of
         // the node.
-        this.canDeopt = ((IntegerStamp) getY().stamp(NodeView.DEFAULT)).contains(0);
+        IntegerStamp yStamp = (IntegerStamp) getY().stamp(NodeView.DEFAULT);
+        this.canDeopt = yStamp.contains(0) || yStamp.contains(-1);
     }
 
     public final Op getOp() {