--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/bytecode/BC_instanceof.java	2017-03-20 17:39:16.000000000 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/bytecode/BC_instanceof.java	2017-03-20 17:39:16.000000000 -0700
@@ -76,4 +76,20 @@
         runTest("test", 4);
     }
 
+    // Checkstyle: stop
+    // Need to stop checkstyle due to empty if constructs.
+    public static boolean testEmpty(Object obj) {
+        if (obj instanceof TestClass) {
+        }
+
+        if (!(obj instanceof TestClass)) {
+        }
+        return true;
+    }
+    // Checkstyle: resume
+
+    @Test
+    public void run5() throws Throwable {
+        runTest("testEmpty", object2);
+    }
 }