[rustc.git] / src / test / mir-opt / issue-41110.rs

// ignore-wasm32-bare compiled with panic=abort by default

// check that we don't emit multiple drop flags when they are not needed.


// EMIT_MIR issue_41110.main.ElaborateDrops.after.mir
fn main() {
    let x = S.other(S.id());
}

// no_mangle to make sure this gets instantiated even in an executable.
#[no_mangle]
// EMIT_MIR issue_41110.test.ElaborateDrops.after.mir
pub fn test() {
    let u = S;
    let mut v = S;
    drop(v);
    v = u;
}

struct S;
impl Drop for S {
    fn drop(&mut self) {
    }
}

impl S {
    fn id(self) -> Self { self }
    fn other(self, s: Self) {}
}
Commit	Line	Data
ff7c6d11 XL	1	// ignore-wasm32-bare compiled with panic=abort by default
ff7c6d11 XL	2
cc61c64b XL	3	// check that we don't emit multiple drop flags when they are not needed.
cc61c64b XL	4
ba9703b0	5
3dfed10e	6	// EMIT_MIR issue_41110.main.ElaborateDrops.after.mir
cc61c64b XL	7	fn main() {
	8	let x = S.other(S.id());
	9	}
	10
abe05a73 XL	11	// no_mangle to make sure this gets instantiated even in an executable.
abe05a73 XL	12	#[no_mangle]
3dfed10e	13	// EMIT_MIR issue_41110.test.ElaborateDrops.after.mir
cc61c64b XL	14	pub fn test() {
	15	let u = S;
	16	let mut v = S;
	17	drop(v);
	18	v = u;
	19	}
	20
	21	struct S;
	22	impl Drop for S {
	23	fn drop(&mut self) {
	24	}
	25	}
	26
	27	impl S {
	28	fn id(self) -> Self { self }
	29	fn other(self, s: Self) {}
	30	}