From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/let-else/let-else-deref-coercion.rs | 75 -------------------------
 1 file changed, 75 deletions(-)
 delete mode 100644 src/test/ui/let-else/let-else-deref-coercion.rs

(limited to 'src/test/ui/let-else/let-else-deref-coercion.rs')

diff --git a/src/test/ui/let-else/let-else-deref-coercion.rs b/src/test/ui/let-else/let-else-deref-coercion.rs
deleted file mode 100644
index 052a5a8c7..000000000
--- a/src/test/ui/let-else/let-else-deref-coercion.rs
+++ /dev/null
@@ -1,75 +0,0 @@
-// Taken from https://github.com/rust-lang/rust/blob/6cc0a764e082d9c0abcf37a768d5889247ba13e2/compiler/rustc_typeck/src/check/_match.rs#L445-L462
-//
-// We attempt to `let Bar::Present(_) = foo else { ... }` where foo is meant to Deref/DerefMut to
-// Bar. This fails, you must add a type annotation like `let _: &mut Bar = _ else { ... }`
-
-
-use std::ops::{Deref, DerefMut};
-
-struct Foo(Bar);
-
-enum Bar {
-    Present(u32),
-    Absent,
-}
-impl Deref for Foo {
-    type Target = Bar;
-    fn deref(&self) -> &Bar {
-        &self.0
-    }
-}
-impl DerefMut for Foo {
-    fn deref_mut(&mut self) -> &mut Bar {
-        &mut self.0
-    }
-}
-impl Bar {
-    fn bar(&self) -> Option<u32> {
-        let Bar::Present(z): &Bar = self else {
-            return None;
-        };
-        return Some(*z);
-    }
-}
-impl Foo {
-    // Try without the type annotation
-    fn set_bar_unannotated(&mut self, value: u32) {
-        let Bar::Present(z) = self else { //~ ERROR mismatched types
-            return;
-        };
-        *z = value;
-    }
-}
-
-fn main() {
-    let mut foo = Foo(Bar::Present(1));
-    foo.set_bar_unannotated(54);
-    assert_eq!(foo.bar(), Some(54));
-    irrefutable::inner();
-}
-
-// The original, to show it fails for irrefutable let decls
-mod irrefutable {
-    use std::ops::{Deref, DerefMut};
-    struct Foo(Bar);
-    struct Bar(u32);
-    impl Deref for Foo {
-        type Target = Bar;
-        fn deref(&self) -> &Bar {
-            &self.0
-        }
-    }
-    impl DerefMut for Foo {
-        fn deref_mut(&mut self) -> &mut Bar {
-            &mut self.0
-        }
-    }
-    fn foo(x: &mut Foo) {
-        let Bar(z) = x; //~ ERROR mismatched types
-        *z = 54;
-        assert_eq!((x.0).0, 54);
-    }
-    pub fn inner() {
-        foo(&mut Foo(Bar(1)));
-    }
-}
-- 
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