1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/lookup/using18.C b/gcc/testsuite/g++.dg/lookup/using18.C
new file mode 100644
index 000000000..37557148e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/using18.C
@@ -0,0 +1,20 @@
+// Copyright (C) 2007 Free Software Foundation
+// Contributed by Ollie Wild <aaw@google.com>
+// { dg-do compile }
+
+namespace N1 {
+  void f ();
+  struct f; // { dg-error "" "candidate" }
+}
+
+namespace N2 {
+  void f (int);
+  struct f; // { dg-error "" "candidate" }
+}
+
+namespace M {
+  using namespace N1;
+  using namespace N2;
+}
+
+using M::f; // { dg-error "ambiguous" }