Rollup merge of #21573 - japaric:gh19660, r=huonw

closes #19660

Author: flaper87

src/test/compile-fail/issue-19660.rs

@@ -0,0 +1,22 @@
+// 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.
+
+// error-pattern: requires `copy` lang_item
+
+#![feature(lang_items, start)]
+#![no_std]
+
+#[lang = "sized"]
+trait Sized {}
+
+#[start]
+fn main(_: int, _: *const *const u8) -> int {
+    0
+}