Arbitrary self types v2: stabilize test changes

All the test changes necessary for stabilization here.

Author: adetaylor

tests/auxiliary/minicore.rs

@@ -31,11 +31,6 @@ macro_rules! impl_marker_trait {
 #[lang = "sized"]
 pub trait Sized {}
 
-#[lang = "legacy_receiver"]
-pub trait LegacyReceiver {}
-impl<T: ?Sized> LegacyReceiver for &T {}
-impl<T: ?Sized> LegacyReceiver for &mut T {}
-
 #[lang = "copy"]
 pub trait Copy: Sized {}
 

tests/codegen/avr/avr-func-addrspace.rs

@@ -9,7 +9,7 @@
 // It also validates that functions can be called through function pointers
 // through traits.
 
-#![feature(no_core, lang_items, intrinsics, unboxed_closures, arbitrary_self_types)]
+#![feature(no_core, lang_items, intrinsics, unboxed_closures)]
 #![crate_type = "lib"]
 #![no_core]
 
@@ -18,8 +18,6 @@ pub trait Sized {}
 #[lang = "copy"]
 pub trait Copy {}
 impl<T: ?Sized> Copy for *const T {}
-#[lang = "legacy_receiver"]
-pub trait LegacyReceiver {}
 #[lang = "tuple_trait"]
 pub trait Tuple {}
 

tests/codegen/sanitizer/kcfi/emit-type-metadata-trait-objects.rs

@@ -8,16 +8,14 @@
 //@ compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0
 
 #![crate_type = "lib"]
-#![feature(arbitrary_self_types, no_core, lang_items)]
+#![feature(no_core, lang_items)]
 #![no_core]
 
 #[lang = "sized"]
 trait Sized {}
 #[lang = "copy"]
 trait Copy {}
 impl<T: ?Sized> Copy for &T {}
-#[lang = "legacy_receiver"]
-trait LegacyReceiver {}
 #[lang = "dispatch_from_dyn"]
 trait DispatchFromDyn<T> {}
 impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<&'a U> for &'a T {}

tests/ui/async-await/issues/issue-53249.rs

@@ -1,8 +1,6 @@
 //@ check-pass
 //@ edition:2018
 
-#![feature(arbitrary_self_types)]
-
 use std::task::{self, Poll};
 use std::future::Future;
 use std::marker::Unpin;

tests/ui/deriving/deriving-coerce-pointee-neg.rs

@@ -1,4 +1,4 @@
-#![feature(derive_coerce_pointee, arbitrary_self_types)]
+#![feature(derive_coerce_pointee)]
 
 extern crate core;
 use std::marker::CoercePointee;

tests/ui/deriving/deriving-coerce-pointee.rs

@@ -1,5 +1,5 @@
 //@ run-pass
-#![feature(derive_coerce_pointee, arbitrary_self_types)]
+#![feature(derive_coerce_pointee)]
 
 use std::marker::CoercePointee;
 

tests/ui/feature-gates/feature-gate-arbitrary-self-types.rs

@@ -1,6 +1,6 @@
 // Check that a self parameter type requires a DispatchFromDyn impl to be dyn-compatible.
 
-#![feature(arbitrary_self_types, unsize, coerce_unsized)]
+#![feature(unsize, coerce_unsized)]
 
 use std::{
     marker::Unsize,

tests/ui/feature-gates/feature-gate-arbitrary-self-types.stderr

@@ -4,7 +4,7 @@
 struct Struct;
 impl Struct {
     async fn box_ref_Struct(self: Box<Self, impl FnMut(&mut Self)>) -> &u32 {
-    //~^ ERROR Box<Struct, impl FnMut(&mut Self)>` cannot be used as the type of `self` without
+        //~^ ERROR the trait bound
         &1
     }
 }