1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/lookup/using9.C b/gcc/testsuite/g++.dg/lookup/using9.C
new file mode 100644
index 00000000000..c62267519b0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/using9.C
@@ -0,0 +1,30 @@
+// { dg-do compile }
+// Origin: C++ Standard Draft (7.3.3/12)
+// PR c++/2294: using declarations should not conflict, but only cause
+//  an ambiguous overload set to be created.
+
+namespace B {
+  void f(int);     // { dg-error "note" }
+  void f(double);  // { dg-error "note" }
+}
+
+namespace C {
+  void f(int);     // { dg-error "note" }
+  void f(double);  // { dg-error "note" }
+  void f(char);    // { dg-error "note" }
+}
+
+void h()
+{
+  using B::f;
+  using C::f;
+  f('h');
+  f(1);         // { dg-error "ambiguous" }
+  void f(int);  // { dg-error "previous using declaration" }
+}
+
+void m()
+{
+  void f(int);
+  using B::f;   // { dg-error "already declared" }
+}