--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/extended/SwitchNode.java	Thu Jul 25 11:44:37 2019 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/extended/SwitchNode.java	Thu Jul 25 17:35:58 2019 -0400
@@ -198,6 +198,13 @@
     }
 
     /**
+     * Returns the probability of taking the default branch.
+     */
+    public double defaultProbability() {
+        return keyProbabilities[keyProbabilities.length - 1];
+    }
+
+    /**
      * Returns the index of the default (fall through) successor of this switch.
      */
     public int defaultSuccessorIndex() {