Privatize constructors of tuple structs with private fields

src/test/compile-fail/auxiliary/privacy-struct-ctor.rs

@@ -0,0 +1,21 @@
+// Copyright 2016 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.
+
+#![feature(pub_restricted)]
+
+pub mod m {
+    pub struct S(u8);
+
+    pub mod n {
+        pub(m) struct Z(pub(m::n) u8);
+    }
+}
+
+pub use m::S;

src/test/compile-fail/privacy-struct-ctor.rs

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+// Copyright 2016 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:privacy-struct-ctor.rs
+
+#![feature(pub_restricted)]
+
+extern crate privacy_struct_ctor as xcrate;
+
+mod m {
+    pub struct S(u8);
+
+    pub mod n {
+        pub(m) struct Z(pub(m::n) u8);
+    }
+
+    use m::n::Z; // OK, only the type is imported
+
+    fn f() {
+        n::Z; //~ ERROR tuple struct `Z` is private
+        Z; //~ ERROR expected value, found struct `Z`
+    }
+}
+
+use m::S; // OK, only the type is imported
+
+fn main() {
+    m::S; //~ ERROR tuple struct `S` is private
+    S; //~ ERROR expected value, found struct `S`
+    m::n::Z; //~ ERROR tuple struct `Z` is private
+
+    xcrate::m::S; //~ ERROR tuple struct `S` is private
+    xcrate::S; //~ ERROR expected value, found struct `xcrate::S`
+    xcrate::m::n::Z; //~ ERROR tuple struct `Z` is private
+}