rust/tests/incremental/change_implementation_cross_crate/main.rs

// Test that we are able to reuse `main` despite the changes in the implementation of `foo` and
// `bar`.

//@ revisions: rpass1 rpass2
//@ aux-build: a.rs
//@ compile-flags: -Zquery-dep-graph

#![feature(rustc_attrs)]
#![crate_type = "bin"]
#![rustc_partition_reused(module = "main", cfg = "rpass2")]

extern crate a;

pub fn main() {
    let vec: Vec<u8> = vec![0, 1, 2, 3];
    for b in vec {
        println!("{}", a::foo(b));
        println!("{}", a::bar(b));
    }
}