src/test/ui/sepcomp/sepcomp-fns-backwards.rs

   1 // run-pass
   2 #![allow(dead_code)]
   3 // compile-flags: -C codegen-units=3
   4
   5 // Test references to items that haven't been codegened yet.
   6
   7 // Generate some code in the first compilation unit before declaring any
   8 // modules.  This ensures that the first module doesn't go into the same
   9 // compilation unit as the top-level module.
  10
  11 fn pad() -> usize { 0 }
  12
  13 mod b {
  14     pub fn three() -> usize {
  15         ::one() + ::a::two()
  16     }
  17 }
  18
  19 mod a {
  20     pub fn two() -> usize {
  21         ::one() + ::one()
  22     }
  23 }
  24
  25 fn one() -> usize {
  26     1
  27 }
  28
  29 fn main() {
  30     assert_eq!(one(), 1);
  31     assert_eq!(a::two(), 2);
  32     assert_eq!(b::three(), 3);
  33 }