1 files changed, 11 insertions, 0 deletions
diff --git a/test/SemaCXX/constant-expression.cpp b/test/SemaCXX/constant-expression.cpp
index f82a692093..69e846bf0e 100644
--- a/test/SemaCXX/constant-expression.cpp
+++ b/test/SemaCXX/constant-expression.cpp
@@ -143,3 +143,14 @@ namespace rdar16064952 {
 }
 
 char PR17381_ice = 1000000 * 1000000; // expected-warning {{overflow}} expected-warning {{changes value}}
+
+namespace PR31701 {
+  struct C {
+    template<int i> static int n; // expected-warning {{extension}}
+  };
+  template <int M> class D;
+  template <int M>
+  template<int i> void D<M>::set() { // expected-error {{from class 'D<M>' without definition}}
+    const C c = C::n<i>;
+  }
+}