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issue-41110.rs
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issue-41110.rs
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// ignore-wasm32-bare compiled with panic=abort by default
// check that we don't emit multiple drop flags when they are not needed.
fn main() {
let x = S.other(S.id());
}
// no_mangle to make sure this gets instantiated even in an executable.
#[no_mangle]
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) {}
}
// END RUST SOURCE
// START rustc.main.ElaborateDrops.after.mir
// let mut _0: ();
// let mut _2: S;
// let mut _3: S;
// let mut _4: S;
// let mut _5: bool;
// scope 1 {
// }
// scope 2 {
// let _1: ();
// }
// ...
// bb0: {
// END rustc.main.ElaborateDrops.after.mir
// START rustc.test.ElaborateDrops.after.mir
// let mut _0: ();
// let mut _3: ();
// let mut _4: S;
// let mut _5: S;
// let mut _6: bool;
// ...
// let mut _2: S;
// ...
// let _1: S;
// ...
// bb0: {
// END rustc.test.ElaborateDrops.after.mir