1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tc1/dr1.C b/gcc/testsuite/g++.dg/tc1/dr1.C
new file mode 100644
index 000000000..9196218f1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tc1/dr1.C
@@ -0,0 +1,18 @@
+// { dg-do compile }
+// Origin: Giovanni Bajo <giovannibajo at gcc dot gnu dot org>
+// DR1: What if two using-declarations refer to the same function but the 
+//  declarations introduce different default-arguments? 
+
+namespace A { 
+  extern "C" void f(int = 5); 
+} 
+namespace B { 
+  extern "C" void f(int = 5); 
+} 
+using A::f; 
+using B::f; 
+
+void use() { 
+  f(3);       
+  f();        // { dg-error "" "" { xfail *-*-* } }
+}