Testcase for const-eval array lengths

src/test/rustdoc/auxiliary/issue-46727.rs

@@ -0,0 +1,17 @@
+// Copyright 2017 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.
+
+// compile-flags: -Cmetadata=aux
+
+pub trait Foo {}
+
+pub struct Bar<T> { x: T }
+
+impl<T> Foo for Bar<[T; 1 + 1 + 1]> {}

src/test/rustdoc/issue-46727.rs

@@ -0,0 +1,17 @@
+// Copyright 2017 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:issue-46727.rs
+
+extern crate issue_46727;
+
+// @has issue_46727/trait.Foo.html
+// @has - '//code' 'impl<T> Foo for Bar<[T; 3]>'
+pub use issue_46727::{Foo, Bar};