lib.rs

#![crate_type = "lib"]

use std::rc::Rc;
use std::collections::BTreeMap;

mod m {
  use super::*;
  use std::rc::Rc;

  pub fn f1() {
    std::hint::black_box(Rc::new(0));
    std::hint::black_box(BTreeMap::<u32, u32>::new());
  }
}


pub fn f2() {
  m::f1();

  std::hint::black_box(Rc::new(0));
  std::hint::black_box(BTreeMap::<u32, u32>::new());
}