--- /dev/null	2019-04-18 09:19:41.960000000 -0700
+++ new/test/langtools/tools/javac/processing/warnings/TestRepeatedSupportedItems.java	2019-04-24 19:03:49.667005001 -0700
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2006, 2019, 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 8146726
+ * @summary Test that warnings about repeated supported options and annotation types output as expected.
+ * @compile TestRepeatedSupportedItems.java
+ * @compile/ref=au_8.out       -XDrawDiagnostics -processor TestRepeatedSupportedItems -proc:only  -source 8 -Xlint:-options TestRepeatedSupportedItems.java
+ * @compile/ref=au_current.out -XDrawDiagnostics -processor TestRepeatedSupportedItems -proc:only            -Xlint:-options TestRepeatedSupportedItems.java
+ */
+
+import java.lang.annotation.*;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.Arrays;
+import javax.annotation.processing.*;
+import javax.lang.model.SourceVersion;
+import javax.lang.model.element.TypeElement;
+
+/**
+ * A warning should be issued for the repeated "Foo" option regardless
+ * of source level. The supported annotation type is repeated twice
+ * for source levels without modules.
+ */
+@SupportedAnnotationTypes({"foo/Baz", "bar/Baz", "Baz", "Baz"})
+@SupportedOptions({"Foo", "Foo"})
+@Baz
+public class TestRepeatedSupportedItems extends AbstractProcessor {
+
+    @Override
+    public SourceVersion getSupportedSourceVersion() {
+        return SourceVersion.latest();
+    }
+
+    public boolean process(Set<? extends TypeElement> annotations,
+                           RoundEnvironment roundEnvironment) {
+        return true;
+    }
+}
+
+@Retention(RetentionPolicy.RUNTIME)
+@interface Baz {
+}