diff --git a/gcc/testsuite/g++.dg/cpp1z/class-deduction83.C b/gcc/testsuite/g++.dg/cpp1z/class-deduction83.C
new file mode 100644
index 00000000000..63eab6a8442
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1z/class-deduction83.C
@@ -0,0 +1,13 @@
+// PR c++/96474
+// { dg-do compile { target c++17 } }
+
+template <typename = void>
+struct A
+{
+    template <typename = void>
+    struct B
+    {
+    };
+};
+    
+A<>::B b;