From cbbb73b56ff8137f38611233d36455294613d0ea Mon Sep 17 00:00:00 2001
From: QuietMisdreavus <grey@quietmisdreavus.net>
Date: Tue, 19 Dec 2017 16:50:53 -0600
Subject: [PATCH] add compile-fail error for external_doc errors

---
 src/test/compile-fail/external-doc-error.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/test/compile-fail/external-doc-error.rs

diff --git a/src/test/compile-fail/external-doc-error.rs b/src/test/compile-fail/external-doc-error.rs
new file mode 100644
index 000000000000..1ae0d0bd2760
--- /dev/null
+++ b/src/test/compile-fail/external-doc-error.rs
@@ -0,0 +1,16 @@
+// Copyright 2012-2015 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.
+
+#![feature(external_doc)]
+
+#[doc(include = "not-a-file.md")] //~ ERROR: couldn't read
+pub struct SomeStruct;
+
+fn main() {}