--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/cfg/Loop.java	2017-11-03 23:55:51.048968121 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/cfg/Loop.java	2017-11-03 23:55:50.563946416 -0700
@@ -41,7 +41,6 @@
         this.parent = parent;
         if (parent != null) {
             this.depth = parent.getDepth() + 1;
-            parent.getChildren().add(this);
         } else {
             this.depth = 1;
         }