Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 41 deletions

diff --git a/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.rs b/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.rs
deleted file mode 100644
index 48d4b0c96..000000000
--- a/src/test/ui/type-alias-impl-trait/issue-84660-unsoundness.rs
+++ /dev/null
@@ -1,41 +0,0 @@
-// Another example from issue #84660, this time weaponized as a safe transmute: an opaque type in an
-// impl header being accepted was used to create unsoundness.
-
-#![feature(type_alias_impl_trait)]
-
-trait Foo {}
-impl Foo for () {}
-type Bar = impl Foo;
-fn _defining_use() -> Bar {}
-
-trait Trait<T, In> {
-    type Out;
-    fn convert(i: In) -> Self::Out;
-}
-
-impl<In, Out> Trait<Bar, In> for Out {
-    type Out = Out;
-    fn convert(_i: In) -> Self::Out {
-        unreachable!();
-    }
-}
-
-impl<In, Out> Trait<(), In> for Out { //~ ERROR conflicting implementations of trait `Trait<Bar, _>`
-    type Out = In;
-    fn convert(i: In) -> Self::Out {
-        i
-    }
-}
-
-fn transmute<In, Out>(i: In) -> Out {
-    <Out as Trait<Bar, In>>::convert(i)
-}
-
-fn main() {
-    let d;
-    {
-        let x = "Hello World".to_string();
-        d = transmute::<&String, &String>(&x);
-    }
-    println!("{}", d);
-}