diff -r 2488b45ded37 -r be097ec639a2 hotspot/test/compiler/6775880/Test.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/6775880/Test.java	Wed Dec 03 13:41:37 2008 -0800
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2008 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 6775880
+ * @summary EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
+ * @compile -source 1.4 -target 1.4 Test.java
+ * @run main/othervm -server -Xbatch -XX:+DoEscapeAnalysis -XX:+DeoptimizeALot -XX:CompileCommand=exclude,java.lang.AbstractStringBuilder::append Test
+ */
+
+public class Test {
+
+  int cnt;
+  int b[];
+  String s;
+
+  String test() {
+    String res="";
+    for (int i=0; i < cnt; i++) {
+      if (i != 0) {
+        res = res +".";
+      }
+      res = res + b[i];
+    }
+    return res;
+  }
+
+  public static void main(String[] args) {
+    Test t = new Test();
+    t.cnt = 3;
+    t.b = new int[3];
+    t.b[0] = 0;
+    t.b[1] = 1;
+    t.b[2] = 2;
+    int j=0;
+    t.s = "";
+    for (int i=0; i<10001; i++) {
+      t.s = "c";
+      t.s = t.test();
+    }
+    System.out.println("After s=" + t.s);
+  }
+}
+
+