auto merge of #10475 : astrieanna/rust/issue8763, r=alexcrichton

Issue #8763 is about improving a particular error message.

* added case & better error message for "impl trait for module"
* added compile-fail test trait-impl-for-module.rs
* updated copyright dates
* revised compile-fail test trait-or-new-type-instead
   (the error message for the modified test is still unclear, but that's a different bug https://github.com/mozilla/rust/issues/8767)

src/test/compile-fail/trait-impl-for-module.rs

@@ -0,0 +1,21 @@
+// Copyright 2013 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.
+
+mod a {
+}
+
+trait A {
+}
+
+impl A for a { //~ERROR found module name used as a type
+}
+
+fn main() {
+}

src/test/compile-fail/trait-or-new-type-instead.rs

@@ -1,4 +1,4 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,8 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// error-pattern: found value name used as a type
-impl<T> Option<T> {
+// FIXME(#8767) bad error message; Option is not a module
+impl<T> Option<T> { //~ERROR found module name used as a type
     pub fn foo(&self) { }
 }