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diff --git a/gold/testsuite/undef_symbol.cc b/gold/testsuite/undef_symbol.cc
new file mode 100644
index 0000000..75f17d3
--- /dev/null
+++ b/gold/testsuite/undef_symbol.cc
@@ -0,0 +1,38 @@
+// undef_symbol.cc -- a test case for undefined references
+
+// Copyright 2007, 2008 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3 of the License, or
+// (at your option) any later version.
+
+// This program 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 for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
+// This file is constructed to have an undefined reference to the
+// global variable a.  We should get an error when we link.
+
+extern int a;
+
+class Foo
+{
+ public:
+  Foo()
+    : a_(a)
+  { }
+ private:
+  int a_;
+};
+
+static Foo foo;