[rustc.git] / src / test / ui / mir / issue-77911.rs

// compile-flags: -Z mir-opt-level=3
// build-pass

use std::fs::File;
use std::io::{BufRead, BufReader};

fn file_lines() -> impl Iterator<Item = String> {
    BufReader::new(File::open("").unwrap())
        .lines()
        .map(Result::unwrap)
}

fn main() {
    for _ in file_lines() {}
}
Commit	Line	Data
6a06907d	1	// compile-flags: -Z mir-opt-level=3
29967ef6 XL	2	// build-pass
	3
	4	use std::fs::File;
	5	use std::io::{BufRead, BufReader};
	6
	7	fn file_lines() -> impl Iterator<Item = String> {
	8	BufReader::new(File::open("").unwrap())
	9	.lines()
	10	.map(Result::unwrap)
	11	}
	12
	13	fn main() {
	14	for _ in file_lines() {}
	15	}