--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/c2/Test7068051.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2011, 2016, 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 7068051
+ * @summary SIGSEGV in PhaseIdealLoop::build_loop_late_post on T5440
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ *          java.management
+ *
+ * @run main/othervm -showversion -Xbatch compiler.c2.Test7068051
+ */
+
+package compiler.c2;
+
+import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.process.OutputAnalyzer;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+public class Test7068051 {
+    private static final String SELF_NAME = Test7068051.class.getSimpleName();
+    private static final String SELF_FILE_NAME = SELF_NAME + ".java";
+    private static final String JAR_NAME = "foo.jar";
+    private static final String TEST_PATH = System.getProperty("test.src");
+    private static final Path CURRENT_DIR = Paths.get(".");
+    private static final Path TEST_SOURCE_PATH = Paths.get(TEST_PATH, SELF_FILE_NAME);
+
+    public static void main (String[] args) throws IOException {
+        createTestJarFile();
+        System.out.println("Running test...");
+
+        try (ZipFile zf = new ZipFile(JAR_NAME)) {
+
+            Enumeration<? extends ZipEntry> entries = zf.entries();
+            ArrayList<String> names = new ArrayList<String>();
+            while (entries.hasMoreElements()) {
+                names.add(entries.nextElement().getName());
+            }
+
+            byte[] bytes = new byte[16];
+            for (String name : names) {
+                ZipEntry e = zf.getEntry(name);
+
+                if (e.isDirectory()) {
+                    continue;
+                }
+
+                try (final InputStream is = zf.getInputStream(e)) {
+                    try {
+                        while (is.read(bytes) >= 0) {
+                        }
+                    } catch (IOException x) {
+                        System.out.println("..................................");
+                        System.out.println("          -->  is :" + is);
+                        System.out.println("          is.hash :" + is.hashCode());
+                        System.out.println();
+                        System.out.println("           e.name :" + e.getName());
+                        System.out.println("           e.hash :" + e.hashCode());
+                        System.out.println("         e.method :" + e.getMethod());
+                        System.out.println("           e.size :" + e.getSize());
+                        System.out.println("          e.csize :" + e.getCompressedSize());
+                        System.out.println("..................................");
+
+                        throw new AssertionError("IOException was throwing while read the archive. Test failed.", x);
+                    }
+                }
+            }
+        }
+        System.out.println("Test passed.");
+    }
+
+    private static void createTestJarFile() {
+        ArrayList<String> jarOptions = new ArrayList<>();
+
+        // jar cf foo.jar *
+        System.out.println("Creating jar file..");
+        jarOptions.add("cf");
+        jarOptions.add(JAR_NAME);
+        try {
+            for (int i = 0; i < 100; ++i) {
+                Path temp = Files.createTempFile(CURRENT_DIR, SELF_NAME, ".java");
+                Files.copy(TEST_SOURCE_PATH, temp, StandardCopyOption.REPLACE_EXISTING);
+                jarOptions.add(temp.toString());
+            }
+        } catch (IOException ex) {
+            throw new AssertionError("TESTBUG: Creating temp files failed.", ex);
+        }
+        runJar(jarOptions);
+
+        // jar -uf0 foo.jar Test7068051.java
+        System.out.println("Adding unpacked file...");
+        jarOptions.clear();
+        jarOptions.add("-uf0");
+        jarOptions.add(JAR_NAME);
+        jarOptions.add(TEST_SOURCE_PATH.toString());
+        runJar(jarOptions);
+    }
+
+    private static void runJar(List<String> params) {
+        JDKToolLauncher jar = JDKToolLauncher.create("jar");
+        for (String p : params) {
+            jar.addToolArg(p);
+        }
+        ProcessBuilder pb = new ProcessBuilder(jar.getCommand());
+        try {
+            OutputAnalyzer output = new OutputAnalyzer(pb.start());
+            output.shouldHaveExitValue(0);
+        } catch (IOException ex) {
+            throw new AssertionError("TESTBUG: jar failed.", ex);
+        }
+    }
+}