1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/friend55.C b/gcc/testsuite/g++.dg/template/friend55.C
new file mode 100644
index 00000000000..4abe6ce6a23
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/friend55.C
@@ -0,0 +1,18 @@
+// PR c++/59956
+
+template <int I> struct A;
+template <int I> class B {
+  int i;
+  template <int A_S> friend void A<A_S>::impl();
+};
+
+B<0> b1;
+template<int I>struct A { void impl(); };
+B<1> b2;
+
+template<int I> void A<I>::impl() { ++b1.i; ++b2.i; }
+
+int main()
+{
+  A<0>().impl();
+}