rust/tests/mir-opt/issue_41110.rs

32 lines
578 B
Rust

// skip-filecheck
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
// check that we don't emit multiple drop flags when they are not needed.
// EMIT_MIR issue_41110.main.ElaborateDrops.diff
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.diff
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) {}
}