tests/incremental/struct_change_nothing.rs

   1 // Test incremental compilation tracking where we change nothing
   2 // in between revisions (hashing should be stable).
   3
   4 // revisions:rpass1 rpass2
   5 // compile-flags: -Z query-dep-graph
   6
   7 #![feature(rustc_attrs)]
   8
   9 #[cfg(rpass1)]
  10 pub struct X {
  11     pub x: u32
  12 }
  13
  14 #[cfg(rpass2)]
  15 pub struct X {
  16     pub x: u32
  17 }
  18
  19 pub struct EmbedX {
  20     x: X
  21 }
  22
  23 pub struct Y {
  24     pub y: char
  25 }
  26
  27 #[rustc_clean(cfg="rpass2")]
  28 pub fn use_X() -> u32 {
  29     let x: X = X { x: 22 };
  30     x.x as u32
  31 }
  32
  33 #[rustc_clean(cfg="rpass2")]
  34 pub fn use_EmbedX(x: EmbedX) -> u32 {
  35     let x: X = X { x: 22 };
  36     x.x as u32
  37 }
  38
  39 #[rustc_clean(cfg="rpass2")]
  40 pub fn use_Y() {
  41     let x: Y = Y { y: 'c' };
  42 }
  43
  44 pub fn main() { }