Auto merge of #26910 - nrc:ice-lang-item, r=@huonw

src/test/compile-fail/no_owned_box_lang_item.rs

@@ -0,0 +1,26 @@
+// 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.
+
+// Test that we don't ICE when we are missing the owned_box lang item.
+
+// error-pattern: requires `owned_box` lang_item
+
+#![no_std]
+#![feature(lang_items, no_std, box_syntax)]
+
+extern crate core;
+
+fn main() {
+    let x = box 1i32;
+}
+
+#[lang = "stack_exhausted"] extern fn stack_exhausted() {}
+#[lang = "eh_personality"] extern fn eh_personality() {}
+#[lang = "panic_fmt"] fn panic_fmt() -> ! { loop {} }