From 219385725185a6d7ece59ce881d0fcac4aedc4a3 Mon Sep 17 00:00:00 2001
From: Johannes Oertel <johannes.oertel@uni-due.de>
Date: Sat, 2 May 2015 14:02:47 +0200
Subject: [PATCH] Add regression test for #19163

Closes #19163.
---
 src/test/auxiliary/issue-19163.rs    | 16 ++++++++++++++++
 src/test/compile-fail/issue-19163.rs | 21 +++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 src/test/auxiliary/issue-19163.rs
 create mode 100644 src/test/compile-fail/issue-19163.rs

diff --git a/src/test/auxiliary/issue-19163.rs b/src/test/auxiliary/issue-19163.rs
new file mode 100644
index 00000000000..76c5cdafd7c
--- /dev/null
+++ b/src/test/auxiliary/issue-19163.rs
@@ -0,0 +1,16 @@
+// 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.
+
+#![crate_type = "lib"]
+
+#[macro_export]
+macro_rules! mywrite {
+    ($dst:expr, $($arg:tt)*) => ($dst.write_fmt(format_args!($($arg)*)))
+}
diff --git a/src/test/compile-fail/issue-19163.rs b/src/test/compile-fail/issue-19163.rs
new file mode 100644
index 00000000000..cd6f7c4fd8f
--- /dev/null
+++ b/src/test/compile-fail/issue-19163.rs
@@ -0,0 +1,21 @@
+// 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.
+
+// aux-build:issue-19163.rs
+
+#[macro_use] extern crate issue_19163;
+
+use std::io::Write;
+
+fn main() {
+    let mut v = vec![];
+    mywrite!(&v, "Hello world");
+ //~^ error: cannot borrow immutable borrowed content as mutable
+}