diff -r f02889c8dc88 -r 50fdff25b18d hotspot/test/compiler/6579789/Test6579789.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/6579789/Test6579789.java	Fri Dec 17 15:55:32 2010 -0800
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2010, 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 6579789
+ * @summary Internal error "c1_LinearScan.cpp:1429 Error: assert(false,"")" in debuggee with fastdebug VM
+ * @run main/othervm -Xcomp -XX:UseSSE=0 -XX:CompileOnly=Test6579789.bug Test6579789
+ */
+
+public class Test6579789 {
+    public static void main(String[] args) {
+        bug(4);
+    }
+    public static void bug(int n) {
+        float f = 1;
+        int i = 1;
+        try {
+            int x = 1 / n; // instruction that can trap
+            f = 2;
+            i = 2;
+            int y = 2 / n; // instruction that can trap
+        } catch (Exception ex) {
+            f++;
+            i++;
+        }
+    }
+}