1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/compile-fail-migration/unsized-struct.rs b/src/test/ui/compile-fail-migration/unsized-struct.rs
new file mode 100644
index 00000000000..f2c63455c51
--- /dev/null
+++ b/src/test/ui/compile-fail-migration/unsized-struct.rs
@@ -0,0 +1,29 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+
+fn is_sized<T:Sized>() { }
+fn not_sized<T: ?Sized>() { }
+
+struct Foo<T> { data: T }
+fn foo1<T>() { not_sized::<Foo<T>>() } // Hunky dory.
+fn foo2<T: ?Sized>() { not_sized::<Foo<T>>() }
+//~^ ERROR the size for values of type
+//
+// Not OK: `T` is not sized.
+
+struct Bar<T: ?Sized> { data: T }
+fn bar1<T: ?Sized>() { not_sized::<Bar<T>>() }
+fn bar2<T: ?Sized>() { is_sized::<Bar<T>>() }
+//~^ ERROR the size for values of type
+//
+// Not OK: `Bar<T>` is not sized, but it should be.
+
+fn main() { }