8186145: tools/launcher/modules/validate/ValidateModulesTest.java fails when launched with -XX:+EnableJVMCI

--validate-modules runs with a boot layer resolving all system modules rather than only java.base

Reviewed-by: alanb

hotspot/test/compiler/jvmci/TestValidateModules.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 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 8186145
+ * @requires vm.jvmci
+ * @library /test/lib
+ * @build TestValidateModules jdk.test.lib.process.*
+ * @run main TestValidateModules
+ * @summary Ensure java --validate-modules works with --XX:+EnableJVMCI
+ */
+
+import jdk.test.lib.process.ProcessTools;
+
+public class TestValidateModules {
+    public static void main(String... args) throws Exception {
+        ProcessTools.executeTestJava("-XX:+UnlockExperimentalVMOptions",
+                                     "-XX:+EnableJVMCI",
+                                     "--validate-modules")
+                .outputTo(System.out)
+                .errorTo(System.out)
+                .stdoutShouldContain("java.base")
+                .stdoutShouldContain("jdk.internal.vm.ci")
+                .shouldHaveExitValue(0);
+    }
+}