8081770: [TESTBUG] regression Test7107135 needs to remove dependence on locally installed gcc

Reviewed-by: cjplummer, dcubed

hotspot/test/runtime/execstack/libtest-rw.c

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2002-2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011 SAP AG.  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.
+ */
+
+/*
+ * This source file is the same as libtest-rwx.c and needs to be a separate
+ * file so it can be built with "-z noexecstack" by the build process.
+ * If any changes are made they probably also need to be made to libtest-rwx.c.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include "jni.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+JNIEXPORT jint JNICALL Java_Test_someMethod(JNIEnv *env, jobject mainObject) {
+  return 3;
+}
+
+#ifdef __cplusplus
+}
+#endif