--- a/test/jdk/tools/jmod/hashes/HashesTest.java	Fri Oct 12 10:08:11 2018 -0700
+++ b/test/jdk/tools/jmod/hashes/HashesTest.java	Fri Oct 12 14:16:24 2018 -0400
@@ -237,6 +237,28 @@
               .forEach(mn -> assertTrue(ht.hashes(mn) == null));
     }
 
+    @Test
+    public static void upgradeableModule() throws IOException {
+        Path mpath = Paths.get(System.getProperty("java.home"), "jmods");
+        if (!Files.exists(mpath)) {
+            return;
+        }
+
+        Path dest = Paths.get("test4");
+        HashesTest ht = new HashesTest(dest);
+        ht.makeModule("m1");
+        ht.makeModule("java.compiler", "m1");
+        ht.makeModule("m2", "java.compiler");
+
+        ht.makeJmod("m1");
+        ht.makeJmod("m2");
+        ht.makeJmod("java.compiler",
+                    "--module-path",
+                    ht.lib.toString() + File.pathSeparator + mpath,
+                    "--hash-modules", "java\\.(?!se)|^m.*");
+
+        ht.checkHashes("java.compiler",  "m2");
+    }
 
     @Test
     public static void testImageJmods() throws IOException {

--- a/test/jdk/tools/launcher/modules/addexports/AddExportsTest.java	Fri Oct 12 10:08:11 2018 -0700
+++ b/test/jdk/tools/launcher/modules/addexports/AddExportsTest.java	Fri Oct 12 14:16:24 2018 -0400
@@ -24,7 +24,8 @@
 /**
  * @test
  * @library /test/lib
- * @modules jdk.compiler
+ * @modules java.compiler
+ *          jdk.compiler
  * @build AddExportsTest jdk.test.lib.compiler.CompilerUtils
  * @run testng AddExportsTest
  * @summary Basic tests for java --add-exports
@@ -51,12 +52,15 @@
 
     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
     private static final Path MODS_DIR = Paths.get("mods");
+    private static final Path UPGRADE_MODS_DIRS = Paths.get("upgrademods");
 
     // test module m1 that uses Unsafe
     private static final String TEST1_MODULE = "m1";
     private static final String TEST1_MAIN_CLASS = "jdk.test1.Main";
 
-
+    // test module m2 uses java.compiler internals
+    private static final String TEST2_MODULE = "m2";
+    private static final String TEST2_MAIN_CLASS = "jdk.test2.Main";
 
     // test module m3 uses m4 internals
     private static final String TEST3_MODULE = "m3";
@@ -74,7 +78,19 @@
                 "--add-exports", "java.base/jdk.internal.misc=m1");
         assertTrue(compiled, "module " + TEST1_MODULE + " did not compile");
 
+        // javac -d upgrademods/java.compiler src/java.compiler/**
+        compiled = CompilerUtils.compile(
+                SRC_DIR.resolve("java.compiler"),
+                UPGRADE_MODS_DIRS.resolve("java.compiler"));
+        assertTrue(compiled, "module java.compiler did not compile");
 
+        // javac --upgrade-module-path upgrademods -d mods/m2 src/m2/**
+        compiled = CompilerUtils.compile(
+                SRC_DIR.resolve(TEST2_MODULE),
+                MODS_DIR.resolve(TEST2_MODULE),
+                "--upgrade-module-path", UPGRADE_MODS_DIRS.toString(),
+                "--add-exports", "java.compiler/javax.tools.internal=m2");
+        assertTrue(compiled, "module " + TEST2_MODULE + " did not compile");
 
         // javac -d mods/m3 src/m3/**
         compiled = CompilerUtils.compile(
@@ -146,7 +162,25 @@
         assertTrue(exitValue == 0);
     }
 
+    /**
+     * Test --add-exports with upgraded module
+     */
+    public void testWithUpgradedModule() throws Exception {
 
+        // java --add-exports java.compiler/javax.tools.internal=m2
+        //      --upgrade-module-path upgrademods --module-path mods -m ...
+        String mid = TEST2_MODULE + "/" + TEST2_MAIN_CLASS;
+        int exitValue = executeTestJava(
+                "--add-exports", "java.compiler/javax.tools.internal=m2",
+                "--upgrade-module-path", UPGRADE_MODS_DIRS.toString(),
+                "--module-path", MODS_DIR.toString(),
+                "-m", mid)
+                .outputTo(System.out)
+                .errorTo(System.out)
+                .getExitValue();
+
+        assertTrue(exitValue == 0);
+    }
 
     /**
      * Test --add-exports with module that is added to the set of root modules

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/launcher/modules/addexports/src/java.compiler/javax/annotation/processing/Generated.java	Fri Oct 12 14:16:24 2018 -0400
@@ -0,0 +1,30 @@
+/*
+ * 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+package javax.annotation.processing;
+
+public interface Generated {
+
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/launcher/modules/addexports/src/java.compiler/javax/tools/ToolsHelper.java	Fri Oct 12 14:16:24 2018 -0400
@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+package javax.tools;
+
+public class ToolsHelper {
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/launcher/modules/addexports/src/java.compiler/javax/tools/internal/Helper.java	Fri Oct 12 14:16:24 2018 -0400
@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+package javax.tools.internal;
+
+public class Helper {
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/launcher/modules/addexports/src/java.compiler/module-info.java	Fri Oct 12 14:16:24 2018 -0400
@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+module java.compiler {
+    exports javax.tools;
+    exports javax.annotation.processing;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/launcher/modules/addexports/src/m2/jdk/test2/Main.java	Fri Oct 12 14:16:24 2018 -0400
@@ -0,0 +1,32 @@
+/**
+ * Copyright (c) 2015, 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.
+ */
+
+package jdk.test2;
+
+import javax.tools.internal.Helper;
+
+public class Main {
+    public static void main(String[] args) {
+        Helper h = new Helper();
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/launcher/modules/addexports/src/m2/module-info.java	Fri Oct 12 14:16:24 2018 -0400
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+module m2 {
+    requires java.compiler;
+}