--- /dev/null
+// Build don't link:
+
+// Copyright (C) 1999 Free Software Foundation
+
+// by Alexandre Oliva <oliva@dcc.unicamp.br>
+// based on bug report by Andrey Slepuhin <pooh@msu.ru>
+
+template <const int&> struct X {};
+
+int a = 1;
+X<a> x; // ok, a has external linkage
+
+const int b = 2;
+X<b> y; // ERROR - const b has internal linkage
+
+extern const int c;
+X<c> z; // ok, c has external linkage
+
+extern const int c = 3;
+X<c> z_; // gets bogus error - using c as constant - XFAIL *-*-*