src/test/run-pass/parallel-codegen-closures.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // Tests parallel codegen - this can fail if the symbol for the anonymous
  12 // closure in `sum` pollutes the second codegen unit from the first.
  13
  14 // compile-flags: -C codegen_units=2
  15
  16 #![feature(core)]
  17 #![feature(iter_arith)]
  18
  19 mod a {
  20     fn foo() {
  21         let x = ["a", "bob", "c"];
  22         let len: usize = x.iter().map(|s| s.len()).sum();
  23     }
  24 }
  25
  26 mod b {
  27     fn bar() {
  28         let x = ["a", "bob", "c"];
  29         let len: usize = x.iter().map(|s| s.len()).sum();
  30     }
  31 }
  32
  33 fn main() {
  34 }