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-rw-r--r--src/test/ui/let-else/let-else-temporary-lifetime.rs99
1 files changed, 0 insertions, 99 deletions
diff --git a/src/test/ui/let-else/let-else-temporary-lifetime.rs b/src/test/ui/let-else/let-else-temporary-lifetime.rs
deleted file mode 100644
index c23eaa997..000000000
--- a/src/test/ui/let-else/let-else-temporary-lifetime.rs
+++ /dev/null
@@ -1,99 +0,0 @@
-// run-pass
-// compile-flags: -Zvalidate-mir
-
-use std::fmt::Display;
-use std::rc::Rc;
-use std::sync::atomic::{AtomicU8, Ordering};
-
-static TRACKER: AtomicU8 = AtomicU8::new(0);
-
-#[derive(Default)]
-struct Droppy {
- inner: u32,
-}
-
-impl Drop for Droppy {
- fn drop(&mut self) {
- TRACKER.store(1, Ordering::Release);
- println!("I've been dropped");
- }
-}
-
-fn foo<'a>(x: &'a str) -> Result<impl Display + 'a, ()> {
- Ok(x)
-}
-
-fn main() {
- assert_eq!(TRACKER.load(Ordering::Acquire), 0);
- let 0 = Droppy::default().inner else { return };
- assert_eq!(TRACKER.load(Ordering::Acquire), 1);
- println!("Should have dropped 👆");
-
- {
- // cf. https://github.com/rust-lang/rust/pull/99518#issuecomment-1191520030
- struct Foo<'a>(&'a mut u32);
-
- impl<'a> Drop for Foo<'a> {
- fn drop(&mut self) {
- *self.0 = 0;
- }
- }
- let mut foo = 0;
- let Foo(0) = Foo(&mut foo) else {
- *&mut foo = 1;
- todo!()
- };
- }
- {
- let x = String::from("Hey");
-
- let Ok(s) = foo(&x) else { panic!() };
- assert_eq!(s.to_string(), x);
- }
- {
- // test let-else drops temps after statement
- let rc = Rc::new(0);
- let 0 = *rc.clone() else { unreachable!() };
- Rc::try_unwrap(rc).unwrap();
- }
- {
- let mut rc = Rc::new(0);
- let mut i = 0;
- loop {
- if i > 3 {
- break;
- }
- let 1 = *rc.clone() else {
- if let Ok(v) = Rc::try_unwrap(rc) {
- rc = Rc::new(v);
- } else {
- panic!()
- }
- i += 1;
- continue
- };
- }
- }
- {
- fn must_pass() {
- let rc = Rc::new(());
- let &None = &Some(Rc::clone(&rc)) else {
- Rc::try_unwrap(rc).unwrap();
- return;
- };
- unreachable!();
- }
- must_pass();
- }
- {
- // test let-else drops temps before else block
- // NOTE: this test has to be the last block in the `main`
- // body.
- let rc = Rc::new(0);
- let 1 = *rc.clone() else {
- Rc::try_unwrap(rc).unwrap();
- return;
- };
- unreachable!();
- }
-}