--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/IfNode.java	Tue Apr 23 14:09:54 2019 -0400
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/IfNode.java	Tue Apr 23 22:55:09 2019 +0200
@@ -768,6 +768,9 @@
                     removeThroughFalseBranch(tool, merge);
                     return true;
                 } else if (distinct == 1) {
+                    // Fortify: Suppress Null Dereference false positive
+                    assert singlePhi != null;
+
                     ValueNode trueValue = singlePhi.valueAt(trueEnd);
                     ValueNode falseValue = singlePhi.valueAt(falseEnd);
                     ValueNode conditional = canonicalizeConditionalCascade(tool, trueValue, falseValue);