1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/unify8.C b/gcc/testsuite/g++.dg/template/unify8.C
new file mode 100644
index 00000000000..9caf085f6b5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/unify8.C
@@ -0,0 +1,20 @@
+// { dg-do link }
+
+// Copyright (C) 2005 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 7 Jul 2005 <nathan@codesourcery.com>
+
+// Origin:Wolfgang Bangerth <bangerth@dealii.org>
+// PR 21799: deduction of cvqualifiers on member functions was wrong
+
+template <class T> void f (T &,       void (T::*)()      ); 
+template <class T> void f (const T &, void (T::*)() const) {} 
+ 
+struct X { 
+    void g() const {}
+}; 
+ 
+const X *x; 
+ 
+int main () { 
+  f (*x, &X::g); 
+}