mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-14 17:48:10 +00:00
d437a111f5
- Make temporaries in if-let guards be the same variable in MIR when the guard is duplicated due to or-patterns. - Change the "destruction scope" for match arms to be the arm scope rather than the arm body scope. - Add tests.
33 lines
579 B
Rust
33 lines
579 B
Rust
// Check that temporaries in if-let guards are correctly scoped.
|
|
// Regression test for #116079.
|
|
|
|
// build-pass
|
|
// edition:2018
|
|
// -Zvalidate-mir
|
|
|
|
#![feature(if_let_guard)]
|
|
|
|
static mut A: [i32; 5] = [1, 2, 3, 4, 5];
|
|
|
|
async fn fun() {
|
|
unsafe {
|
|
match A {
|
|
_ => (),
|
|
i if let Some(1) = async { Some(1) }.await => (),
|
|
_ => (),
|
|
}
|
|
}
|
|
}
|
|
|
|
async fn funner() {
|
|
unsafe {
|
|
match A {
|
|
_ => (),
|
|
_ | _ if let Some(1) = async { Some(1) }.await => (),
|
|
_ => (),
|
|
}
|
|
}
|
|
}
|
|
|
|
fn main() {}
|