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diff --git a/gcc/testsuite/g++.dg/abi/mangle18-1.C b/gcc/testsuite/g++.dg/abi/mangle18-1.C
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+// { dg-do compile }
+// { dg-options "-fabi-version=2" }
+
+// Copyright (C) 2003 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 30 Nov 2003 <nathan@codesourcery.com>
+
+// PR 13241
+// mangled template arguments that are external objects incorrectly
+
+extern "C" void Foo ();
+namespace NMS
+{
+ extern "C" int V;
+}
+
+template <void (*)()> struct S {};
+template <int *> struct T {};
+
+void f (S<Foo>){}
+// { dg-final { scan-assembler "\n_?_Z1f1SIXadL_Z3FooEEE\[: \t\n\]" } }
+
+void g (T<&NMS::V>){}
+// { dg-final { scan-assembler "\n_?_Z1g1TIXadL_Z1VEEE\[: \t\n\]" } }