--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp2a/nontype-class29.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,26 @@
+// PR c++/92948 - Fix class NTTP with template arguments.
+// { dg-do run { target c++2a } }
+
+struct A {
+  int i;
+  constexpr A(int n) : i(n) { }
+};
+
+template<A a>
+struct B {
+  static constexpr int i = a.i;
+};
+
+template<int X>
+void foo()
+{
+  B<X> b;
+  if (b.i != 42)
+    __builtin_abort ();
+}
+
+int
+main ()
+{
+  foo<42>();
+}