1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/parse/defarg9.C b/gcc/testsuite/g++.dg/parse/defarg9.C
new file mode 100644
index 000000000..8496cfb26
--- /dev/null
+++ b/gcc/testsuite/g++.dg/parse/defarg9.C
@@ -0,0 +1,20 @@
+// Copyright (C) 2005 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 6 Jun 2005 <nathan@codesourcery.com>
+
+// PR 21903:Reject legal with default arg confusion
+// Origin:  Wolfgang Bangerth <bangerth@dealii.org>
+
+
+struct O { 
+  template<typename T> struct B { 
+    void set (T, bool=true); 
+  }; 
+  
+  struct D : public B<int> {}; 
+}; 
+
+void x () 
+{ 
+  O::D d; 
+  d.set(1); 
+}