[rustc.git] / src / test / ui / async-await / issues / issue-69307.rs

// Regression test for #69307
//
// Having an `async { .. foo.await .. }` block appear inside of a `+=`
// expression was causing an ICE due to a failure to save/restore
// state in the AST numbering pass when entering a nested body.
//
// check-pass
// edition:2018

fn block_on<F>(_: F) -> usize {
    0
}

fn main() {}

async fn bar() {
    let mut sum = 0;
    sum += block_on(async {
        baz().await;
    });
}

async fn baz() {}
Commit	Line	Data
ba9703b0 XL	1	// Regression test for #69307
ba9703b0 XL	2	//
94222f64	3	// Having an `async { .. foo.await .. }` block appear inside of a `+=`
ba9703b0 XL	4	// expression was causing an ICE due to a failure to save/restore
	5	// state in the AST numbering pass when entering a nested body.
	6	//
	7	// check-pass
	8	// edition:2018
	9
	10	fn block_on<F>(_: F) -> usize {
	11	0
	12	}
	13
	14	fn main() {}
	15
	16	async fn bar() {
	17	let mut sum = 0;
	18	sum += block_on(async {
	19	baz().await;
	20	});
	21	}
	22
	23	async fn baz() {}