Remove unnecessary trait accessibility check.

src/test/run-pass/issue-16264.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.
+
+use outer::Foo;
+
+mod outer {
+    pub use self::inner::Foo;
+
+    mod inner {
+        pub trait Foo {
+            fn bar(&self) {}
+        }
+        impl Foo for i32 {}
+    }
+}
+
+fn main() {
+    let x: i32 = 0;
+    x.bar();
+}