--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/RedefineTests/RedefineAddLambdaExpression.java	Thu May 24 14:02:37 2018 -0400
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8193524
+ * @summary Redefine a class' public static method that contains a lambda expression
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ * @modules java.compiler
+ *          java.instrument
+ *          jdk.jartool/sun.tools.jar
+ * @run main RedefineClassHelper
+ * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class*=trace RedefineAddLambdaExpression
+ */
+
+interface MathOperation {
+    public int operation(int a, int b);
+}
+
+class B {
+    public static int operate(int a, int b, MathOperation mathOperation) {
+        return mathOperation.operation(a, b);
+    }
+    static int test_math(String p) {
+        MathOperation addition = (int a, int b) -> a + b;
+        return operate(10, 5, addition);
+    }
+}
+
+public class RedefineAddLambdaExpression {
+
+    public static String newB =
+        "class B {" +
+        "    public static int operate(int a, int b, MathOperation mathOperation) {" +
+        "        return mathOperation.operation(a, b);" +
+        "    }" +
+        "    static int test_math(String p) {" +
+        "        MathOperation addition = (int a, int b) -> a + b;" +
+        "        System.out.println(p + \" from class B's test_math method\");" +
+        "        MathOperation subtraction = (int a, int b) -> a - b;" +
+        "        return operate(10, 5, subtraction);" +
+        "    }" +
+        "}";
+
+    public static void main(String[] args) throws Exception {
+        int res = B.test_math("Hello");
+        System.out.println("Result = " + res);
+        if (res != 15) {
+            throw new Error("test_math returned " + res + " expected " + 15);
+        }
+        RedefineClassHelper.redefineClass(B.class, newB);
+
+        res = B.test_math("Hello");
+        if (res != 5)
+            throw new Error("test_math returned " + res + " expected " + 5);
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/RedefineTests/RedefineSubtractLambdaExpression.java	Thu May 24 14:02:37 2018 -0400
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8193524
+ * @summary Redefine a class' public static method that contains a lambda expression
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ * @modules java.compiler
+ *          java.instrument
+ *          jdk.jartool/sun.tools.jar
+ * @run main RedefineClassHelper
+ * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class*=trace RedefineSubtractLambdaExpression
+ */
+
+interface MathOperation {
+    public int operation(int a, int b);
+}
+
+class B {
+    public static int operate(int a, int b, MathOperation mathOperation) {
+        return mathOperation.operation(a, b);
+    }
+    static int test_math(String p) {
+        System.out.println(p + " from class B's test_math method");
+        MathOperation subtraction = (int a, int b) -> a - b;
+        MathOperation addition = (int a, int b) -> a + b;
+        return operate(10, 5, addition);
+    }
+}
+
+public class RedefineSubtractLambdaExpression {
+
+    public static String newB =
+        "class B {" +
+        "    public static int operate(int a, int b, MathOperation mathOperation) {" +
+        "        return mathOperation.operation(a, b);" +
+        "    }" +
+        "    static int test_math(String p) {" +
+        "        MathOperation subtraction = (int a, int b) -> a - b;" +
+        "        return operate(10, 5, subtraction);" +
+        "    }" +
+        "}";
+
+    public static void main(String[] args) throws Exception {
+        int res = B.test_math("Hello");
+        System.out.println("Result = " + res);
+        if (res != 15) {
+            throw new Error("test_math returned " + res + " expected " + 15);
+        }
+        RedefineClassHelper.redefineClass(B.class, newB);
+
+        res = B.test_math("Hello");
+        if (res != 5)
+            throw new Error("test_math returned " + res + " expected " + 5);
+    }
+}