--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/template/dr1710.C	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,9 @@
+// DR 1710 - Missing template keyword in class-or-decltype
+// { dg-do compile }
+
+template<typename T> struct D : T::template B<int>::template C<int> {};
+template<typename T> struct D2 : T::B<int>::template C<int> {};
+template<typename T> struct D3 : T::template B<int>::C<int> {};
+template<typename T> struct D4 : T::B<int>::C<int> {};
+template<typename T> struct D5 : T::template B<int>::type::type {};
+template<typename T> struct D6 : T::B<int>::type::type {};