--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/BadOptimization/DeadCode5.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,54 @@
+/*
+ * Copyright 1999 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4136312 4073244
+ * @summary init: Verify that overzealous dead-code elimination no
+ * longer removes live code.
+ * @author dps
+ *
+ * @run clean DeadCode5
+ * @run compile -O DeadCode5.java
+ * @run main DeadCode5
+ */
+
+
+// Test for bug 4136312
+
+public class DeadCode5
+{
+ int fld;
+
+ static public void main(String args[]) {
+ DeadCode5 t = null;
+ try {
+ int dummy = t.fld;
+ // if we got here, then there must be a problem
+ throw new RuntimeException("accidental removal of live code");
+ } catch (NullPointerException e) {
+ System.out.println("NullPointerException correctly thrown");
+ e.printStackTrace();
+ }
+ }
+}