1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/overload/arg4.C b/gcc/testsuite/g++.dg/overload/arg4.C
new file mode 100644
index 00000000000..34aa6250683
--- /dev/null
+++ b/gcc/testsuite/g++.dg/overload/arg4.C
@@ -0,0 +1,30 @@
+// { dg-do compile }
+
+// Copyright (C) 2004 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 30 Nov 2004 <nathan@codesourcery.com>
+
+// PR 17431. copy ctor from user conv
+// Origin: Volker Reichelt <reichelt@gcc.gnu.org>
+
+struct A {};
+
+struct B : A
+{
+  B(int);  // { dg-error "" "" }
+  B(B&);   // { dg-error "" "" }
+  B(A);    // { dg-error "" "" }
+};
+
+struct C
+{
+  operator B () const;  
+};
+
+
+void foo(B);
+
+void bar()
+{
+  C c;
+  foo(c); // { dg-error "no matching function|initializing" "" }
+}