rollup merge of #20179: eddyb/blind-items

Conflicts:
	src/librustc/diagnostics.rs
	src/librustdoc/clean/mod.rs
	src/librustdoc/html/format.rs
	src/libsyntax/parse/parser.rs

src/test/auxiliary/blind-item-mixed-crate-use-item-foo.rs

@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// 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.
 //
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-pub extern crate core; //~ ERROR: `pub` visibility is not allowed
+#![crate_type="lib"]
 
-fn main() {
-    pub use std::usize; //~ ERROR: imports in functions are never reachable
-}
+pub const X: () = ();

src/test/auxiliary/blind-item-mixed-crate-use-item-foo2.rs

@@ -0,0 +1,13 @@
+// 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"]
+
+pub const Y: () = ();

src/test/compile-fail-fulldeps/gated-plugin.rs

@@ -11,8 +11,7 @@
 // aux-build:macro_crate_test.rs
 // ignore-stage1
 
-#[plugin] #[no_link]
+#[plugin] #[no_link] extern crate macro_crate_test;
 //~^ ERROR compiler plugins are experimental and possibly buggy
-extern crate macro_crate_test;
 
 fn main() {}

src/test/compile-fail/blind-item-block-item-shadow.rs

@@ -0,0 +1,20 @@
+// 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.
+
+mod foo { pub struct Bar; }
+
+fn main() {
+    {
+        struct Bar;
+        use foo::Bar;
+        //~^ ERROR import `Bar` conflicts with type in this module
+        //~^^ ERROR import `Bar` conflicts with value in this module
+    }
+}

src/test/compile-fail/blind-item-block-middle.rs

@@ -0,0 +1,18 @@
+// 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.
+
+mod foo { struct bar; }
+
+fn main() {
+    let bar = 5;
+    //~^ ERROR declaration of `bar` shadows an enum variant or unit-like struct in scope
+    use foo::bar;
+    //~^ ERROR imports are not allowed after non-item statements
+}

src/test/compile-fail/blind-item-item-shadow.rs

@@ -1,4 +1,4 @@
-// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
+// 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.
 //
@@ -8,12 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-extern crate test;
+mod foo { pub mod foo {  } }
 
-fn f() {
-}
+use foo::foo; //~ ERROR import `foo` conflicts with existing submodule
 
-use test::net;    //~ ERROR `use` and `extern crate` declarations must precede items
-
-fn main() {
-}
+fn main() {}

src/test/compile-fail/blind-item-local-shadow.rs

@@ -0,0 +1,20 @@
+// 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.
+
+mod bar {
+    pub fn foo() -> bool { true }
+}
+
+fn main() {
+    let foo = |&:| false;
+    use bar::foo;
+    //~^ ERROR imports are not allowed after non-item statements
+    assert_eq!(foo(), false);
+}

src/test/compile-fail/unnecessary-private.rs

@@ -1,4 +1,4 @@
-// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -9,6 +9,7 @@
 // except according to those terms.
 
 fn main() {
+    pub use std::uint; //~ ERROR: visibility has no effect
     pub struct A; //~ ERROR: visibility has no effect
     pub enum B {} //~ ERROR: visibility has no effect
     pub trait C { //~ ERROR: visibility has no effect

src/test/pretty/issue-4264.pp

@@ -1,8 +1,8 @@
 #![no_std]
-#[macro_use]
-extern crate "std" as std;
 #[prelude_import]
 use std::prelude::v1::*;
+#[macro_use]
+extern crate "std" as std;
 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.

src/test/run-pass/blind-item-mixed-crate-use-item.rs

@@ -0,0 +1,33 @@
+// 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:blind-item-mixed-crate-use-item-foo.rs
+// aux-build:blind-item-mixed-crate-use-item-foo2.rs
+
+mod m {
+    pub fn f<T>(_: T, _: (), _: ()) { }
+    pub fn g<T>(_: T, _: (), _: ()) { }
+}
+
+const BAR: () = ();
+struct Data;
+use m::f;
+extern crate "blind-item-mixed-crate-use-item-foo" as foo;
+
+fn main() {
+    const BAR2: () = ();
+    struct Data2;
+    use m::g;
+
+    extern crate "blind-item-mixed-crate-use-item-foo2" as foo2;
+
+    f(Data, BAR, foo::X);
+    g(Data2, BAR2, foo2::Y);
+}

src/test/run-pass/blind-item-mixed-use-item.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.
+
+mod m {
+    pub fn f<T>(_: T, _: ()) { }
+    pub fn g<T>(_: T, _: ()) { }
+}
+
+const BAR: () = ();
+struct Data;
+use m::f;
+
+fn main() {
+    const BAR2: () = ();
+    struct Data2;
+    use m::g;
+
+    f(Data, BAR);
+    g(Data2, BAR2);
+}