From 2595b1e282e5b2ac3985b40bc2485daf5bd165d3 Mon Sep 17 00:00:00 2001
From: Johannes Oertel <johannes.oertel@uni-due.de>
Date: Sat, 2 May 2015 12:34:19 +0200
Subject: [PATCH] Add regression test for #17959

Closes #17959.
---
 src/test/compile-fail/issue-17959.rs | 31 ++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/test/compile-fail/issue-17959.rs

diff --git a/src/test/compile-fail/issue-17959.rs b/src/test/compile-fail/issue-17959.rs
new file mode 100644
index 000000000000..56a66ecc8aa4
--- /dev/null
+++ b/src/test/compile-fail/issue-17959.rs
@@ -0,0 +1,31 @@
+// Copyright 2015 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.
+
+extern crate core;
+
+use core::ops::Drop;
+
+trait Bar {}
+
+struct G<T: ?Sized> {
+    _ptr: *const T
+}
+
+impl<T> Drop for G<T> {
+//~^ ERROR: The requirement `T : core::marker::Sized` is added only by the Drop impl. [E0367]
+    fn drop(&mut self) {
+        if !self._ptr.is_null() {
+        }
+    }
+}
+
+fn main() {
+    let x:G<Bar>;
+}