Update tests and add some more.

Author: elinorbgr

src/test/compile-fail/issue-25396.rs

@@ -11,14 +11,14 @@
 use foo::baz;
 use bar::baz; //~ ERROR a module named `baz` has already been imported
 
-use bar::Quux; //~ ERROR a trait named `Quux` has already been imported
 use foo::Quux;
+use bar::Quux; //~ ERROR a trait named `Quux` has already been imported
 
-use foo::blah; //~ ERROR a type named `blah` has already been imported
-use bar::blah;
+use foo::blah;
+use bar::blah; //~ ERROR a type named `blah` has already been imported
 
-use foo::WOMP; //~ ERROR a value named `WOMP` has already been imported
-use bar::WOMP;
+use foo::WOMP;
+use bar::WOMP; //~ ERROR a value named `WOMP` has already been imported
 
 fn main() {}
 

src/test/run-pass/issue-4865-2.rs

@@ -0,0 +1,27 @@
+// 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.
+
+pub use hello::*;
+
+pub mod say {
+    pub fn hello() { println!("hello"); }
+}
+
+pub mod hello {
+    use say;
+
+    pub fn hello() {
+        say::hello();
+    }
+}
+
+fn main() {
+    hello();
+}

src/test/run-pass/issue-4865-3.rs

@@ -0,0 +1,22 @@
+// 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.
+
+pub mod a {
+  use b::*;
+}
+
+pub mod b {
+  use a::*;
+}
+
+use a::*;
+
+fn main() {
+}