1 files changed, 12 insertions, 0 deletions
diff --git a/Test/dafny0/Modules0.dfy b/Test/dafny0/Modules0.dfy
index dbbffd87..4b86d848 100644
--- a/Test/dafny0/Modules0.dfy
+++ b/Test/dafny0/Modules0.dfy
@@ -335,3 +335,15 @@ module TopLevelStatics {
   static method M()  // error/warning: static keyword does not belong here
   { }
 }
+
+module Library {
+  class T { }
+}
+
+module AA {
+ import opened Library
+}
+
+module B refines AA {
+  datatype T = MakeT(int)  // illegal
+}