[rustc.git] / src / test / mir-opt / issue-41888.rs

// ignore-wasm32-bare compiled with panic=abort by default
// check that we clear the "ADT master drop flag" even when there are
// no fields to be dropped.

// EMIT_MIR issue_41888.main.ElaborateDrops.after.mir
fn main() {
    let e;
    if cond() {
        e = E::F(K);
        if let E::F(_k) = e {
            // older versions of rustc used to not clear the
            // drop flag for `e` in this path.
        }
    }
}

fn cond() -> bool { false }

struct K;

enum E {
    F(K),
    G(Box<E>)
}
Commit	Line	Data
ba9703b0	1	// ignore-wasm32-bare compiled with panic=abort by default
7cac9316 XL	2	// check that we clear the "ADT master drop flag" even when there are
	3	// no fields to be dropped.
	4
3dfed10e	5	// EMIT_MIR issue_41888.main.ElaborateDrops.after.mir
7cac9316 XL	6	fn main() {
	7	let e;
	8	if cond() {
	9	e = E::F(K);
	10	if let E::F(_k) = e {
	11	// older versions of rustc used to not clear the
	12	// drop flag for `e` in this path.
	13	}
	14	}
	15	}
	16
	17	fn cond() -> bool { false }
	18
	19	struct K;
	20
	21	enum E {
	22	F(K),
	23	G(Box<E>)
	24	}