22 lines
380 B
Rust
22 lines
380 B
Rust
|
//@ known-bug: rust-lang/rust#129127
|
||
|
|
//@ compile-flags: -Zmir-opt-level=5 -Zvalidate-mir -Zcross-crate-inline-threshold=always
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
pub struct Rows<'a>();
|
||
|
|
|
||
|
|
impl<'a> Iterator for Rows<'a> {
|
||
|
|
type Item = ();
|
||
|
|
|
||
|
|
fn next() -> Option<Self::Item> {
|
||
|
|
let mut rows = Rows();
|
||
|
|
rows.map(|row| row).next()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let mut rows = Rows();
|
||
|
|
rows.next();
|
||
|
|
}
|