Add short message-format

src/test/ui/short-error-format.rs

@@ -0,0 +1,19 @@
+// Copyright 2017 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.
+
+// compile-flags: --error-format=short
+
+fn foo(_: u32) {}
+
+fn main() {
+    foo("Bonjour".to_owned());
+    let x = 0u32;
+    x.salut();
+}

src/test/ui/short-error-format.stderr

@@ -0,0 +1,3 @@
+$DIR/short-error-format.rs:16:9 - error[E0308]: mismatched types
+$DIR/short-error-format.rs:18:7 - error[E0599]: no method named `salut` found for type `u32` in the current scope
+error: aborting due to 2 previous errors