--- /dev/null
+// 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.
+
+// Tests parallel codegen - this can fail if the symbol for the anonymous
+// closure in `sum` pollutes the second codegen unit from the first.
+
+// compile-flags: -C codegen_units=2
+
+#![feature(core)]
+#![feature(iter_arith)]
+
+mod a {
+ fn foo() {
+ let x = ["a", "bob", "c"];
+ let len: usize = x.iter().map(|s| s.len()).sum();
+ }
+}
+
+mod b {
+ fn bar() {
+ let x = ["a", "bob", "c"];
+ let len: usize = x.iter().map(|s| s.len()).sum();
+ }
+}
+
+fn main() {
+}