1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/koenig3.C b/gcc/testsuite/g++.dg/template/koenig3.C
new file mode 100644
index 000000000..f90059d65
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/koenig3.C
@@ -0,0 +1,28 @@
+// PR c++/13157
+
+namespace aa
+{
+  double abs(double);
+  long double abs(long double);
+}
+
+namespace fu
+{
+  template <class T>
+  struct X
+  {};
+  
+  template <class T>
+  X<T> test(X<T> x)
+  {
+    using ::aa::abs;
+    return abs(x);
+  }
+  
+  template <class T>
+  X<T> abs(X<T>);
+  
+  X<int> x;
+  X<int> z = test(x);
+}
+