1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/wf/wf-const-type.rs b/src/test/ui/wf/wf-const-type.rs
new file mode 100644
index 000000000..df79aa267
--- /dev/null
+++ b/src/test/ui/wf/wf-const-type.rs
@@ -0,0 +1,14 @@
+// Test that we check the types of constants are well-formed.
+
+#![feature(associated_type_defaults)]
+
+#![allow(dead_code)]
+
+struct IsCopy<T:Copy> { t: T }
+struct NotCopy;
+
+const FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
+//~^ ERROR E0277
+
+
+fn main() { }