--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/MethodParameters/LegacyOutputTest/LegacyOutputTest.java	Mon Feb 05 10:43:31 2018 -0500
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2018, Google Inc. 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 8190452
+ * @summary javac should not add MethodParameters attributes to v51 and earlier class files
+ * @modules jdk.jdeps/com.sun.tools.classfile
+ * @build LegacyOutputTest
+ * @run main LegacyOutputTest
+ */
+
+import com.sun.tools.classfile.ClassFile;
+import com.sun.tools.classfile.Method;
+import com.sun.tools.classfile.MethodParameters_attribute;
+import com.sun.tools.classfile.MethodParameters_attribute.Entry;
+import java.io.IOException;
+import java.net.URI;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import javax.tools.JavaCompiler;
+import javax.tools.JavaCompiler.CompilationTask;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+import javax.tools.SimpleJavaFileObject;
+import javax.tools.ToolProvider;
+
+/**
+ * Post https://bugs.openjdk.java.net/browse/JDK-8190452, the test verifies that MethodParameters
+ * attributes are not emitted when targeting --release < 8.
+ */
+public class LegacyOutputTest {
+    public static void main(String[] args) throws Exception {
+        new LegacyOutputTest().test();
+    }
+
+    void test() throws Exception {
+        release7();
+        release8();
+    }
+
+    void release7() throws Exception {
+        List<String> names = getParameterNames("7");
+        if (names != null) {
+            throw new AssertionError(
+                    "expected no MethodParameters for --release 7, actual: " + names);
+        }
+    }
+
+    void release8() throws Exception {
+        List<String> names = getParameterNames("8");
+        List<String> expected = Arrays.asList("x", "y");
+        if (!names.equals(expected)) {
+            throw new AssertionError(
+                    "incorrect parameter names, actual: " + names + ", expected: " + expected);
+        }
+    }
+
+    List<String> getParameterNames(String release) throws Exception {
+        JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
+        JavaFileObject fileObject =
+                new SimpleJavaFileObject(URI.create("Test.java"), Kind.SOURCE) {
+                    @Override
+                    public CharSequence getCharContent(boolean ignoreEncodingErrors)
+                            throws IOException {
+                        return "class Test { void f(int x, int y) {} }";
+                    }
+                };
+        CompilationTask task =
+                tool.getTask(
+                        null,
+                        null,
+                        null,
+                        Arrays.asList("--release", release, "-parameters"),
+                        null,
+                        Arrays.asList(fileObject));
+        if (!task.call()) {
+            throw new AssertionError("compilation failed");
+        }
+        ClassFile classFile = ClassFile.read(Paths.get("Test.class"));
+        Method method = getMethod(classFile, "f");
+        MethodParameters_attribute attribute =
+                (MethodParameters_attribute) method.attributes.get("MethodParameters");
+        if (attribute == null) {
+            return null;
+        }
+        List<String> parameterNames = new ArrayList<>();
+        for (Entry e : attribute.method_parameter_table) {
+            parameterNames.add(classFile.constant_pool.getUTF8Value(e.name_index));
+        }
+        return parameterNames;
+    }
+
+    private static Method getMethod(ClassFile classFile, String name) throws Exception {
+        for (Method method : classFile.methods) {
+            if (classFile.constant_pool.getUTF8Value(method.name_index).equals(name)) {
+                return method;
+            }
+        }
+        throw new AssertionError("could not find method: " + name);
+    }
+}