testsuite: Add test for rust-lang#5582, which passes.

Closes rust-lang#5582

Author: catamorphism

src/test/run-pass/issue-5582.rs

@@ -0,0 +1,18 @@
+// Copyright 2013 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 vectors = std::vec;
+use vectors::raw;
+
+fn main() {
+    use vectors::from_elem;
+
+    let _ = from_elem(1, 5);
+}