1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/friend24.C b/gcc/testsuite/g++.dg/template/friend24.C
new file mode 100644
index 000000000..5db4d31e7
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/friend24.C
@@ -0,0 +1,27 @@
+// { dg-do compile }
+
+// Origin: Wolfgang Bangerth <bangerth@ticam.utexas.edu>
+
+// PR c++/495: Fail to locate primary class template that is
+// injected by friend declaration.
+
+template <int N> struct X
+{
+  template <int dim> friend struct Y;
+};
+
+X<2> x;
+
+template <int dim> struct Y
+{
+  void f (Y);
+  void g (Y);
+};
+
+template <int dim> void Y<dim>::f (Y)
+{
+}
+
+template <int dim> void Y<dim>::g (Y<dim>)
+{
+}