Auto merge of #44154 - alexcrichton:bump-bootstrap, r=Mark-Simulacrum

Bump to 1.22.0 and update boostrap compiler

Time to get a new nightly!

7 files changed, 1 insertions, 141 deletions

diff --git a/src/libcore/array.rs b/src/libcore/array.rs
index 4b7706bac30..6a7926fecde 100644
--- a/src/libcore/array.rs
+++ b/src/libcore/array.rs
@@ -124,14 +124,6 @@ macro_rules! array_impls {
             }
 
             #[stable(feature = "rust1", since = "1.0.0")]
-            #[cfg(stage0)]
-            impl<T:Copy> Clone for [T; $N] {
-                fn clone(&self) -> [T; $N] {
-                    *self
-                }
-            }
-
-            #[stable(feature = "rust1", since = "1.0.0")]
             impl<T: Hash> Hash for [T; $N] {
                 fn hash<H: hash::Hasher>(&self, state: &mut H) {
                     Hash::hash(&self[..], state)
diff --git a/src/libcore/clone.rs b/src/libcore/clone.rs
index 2dc51718b97..826420a0c00 100644
--- a/src/libcore/clone.rs
+++ b/src/libcore/clone.rs
@@ -88,7 +88,7 @@
 /// }
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
-#[cfg_attr(not(stage0), lang = "clone")]
+#[lang = "clone"]
 pub trait Clone : Sized {
     /// Returns a copy of the value.
     ///
@@ -130,45 +130,3 @@ pub struct AssertParamIsClone<T: Clone + ?Sized> { _field: ::marker::PhantomData
            reason = "deriving hack, should not be public",
            issue = "0")]
 pub struct AssertParamIsCopy<T: Copy + ?Sized> { _field: ::marker::PhantomData<T> }
-
-#[stable(feature = "rust1", since = "1.0.0")]
-#[cfg(stage0)]
-impl<'a, T: ?Sized> Clone for &'a T {
-    /// Returns a shallow copy of the reference.
-    #[inline]
-    fn clone(&self) -> &'a T { *self }
-}
-
-macro_rules! clone_impl {
-    ($t:ty) => {
-        #[stable(feature = "rust1", since = "1.0.0")]
-        #[cfg(stage0)]
-        impl Clone for $t {
-            /// Returns a deep copy of the value.
-            #[inline]
-            fn clone(&self) -> $t { *self }
-        }
-    }
-}
-
-clone_impl! { isize }
-clone_impl! { i8 }
-clone_impl! { i16 }
-clone_impl! { i32 }
-clone_impl! { i64 }
-clone_impl! { i128 }
-
-clone_impl! { usize }
-clone_impl! { u8 }
-clone_impl! { u16 }
-clone_impl! { u32 }
-clone_impl! { u64 }
-clone_impl! { u128 }
-
-clone_impl! { f32 }
-clone_impl! { f64 }
-
-clone_impl! { ! }
-clone_impl! { () }
-clone_impl! { bool }
-clone_impl! { char }
diff --git a/src/libcore/macros.rs b/src/libcore/macros.rs
index 6e652c8b898..ce183389a80 100644
--- a/src/libcore/macros.rs
+++ b/src/libcore/macros.rs
@@ -8,16 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#[macro_export]
-// This stability attribute is totally useless.
-#[stable(feature = "rust1", since = "1.0.0")]
-#[cfg(stage0)]
-macro_rules! __rust_unstable_column {
-    () => {
-        column!()
-    }
-}
-
 /// Entry point of thread panic, for details, see std::macros
 #[macro_export]
 #[allow_internal_unstable]
diff --git a/src/libcore/mem.rs b/src/libcore/mem.rs
index 4b866cab1ea..272d75da289 100644
--- a/src/libcore/mem.rs
+++ b/src/libcore/mem.rs
@@ -188,26 +188,6 @@ pub fn forget<T>(t: T) {
 /// ```
 #[inline]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[cfg(stage0)]
-pub fn size_of<T>() -> usize {
-    unsafe { intrinsics::size_of::<T>() }
-}
-
-/// Returns the size of a type in bytes.
-///
-/// More specifically, this is the offset in bytes between successive
-/// items of the same type, including alignment padding.
-///
-/// # Examples
-///
-/// ```
-/// use std::mem;
-///
-/// assert_eq!(4, mem::size_of::<i32>());
-/// ```
-#[inline]
-#[stable(feature = "rust1", since = "1.0.0")]
-#[cfg(not(stage0))]
 pub const fn size_of<T>() -> usize {
     unsafe { intrinsics::size_of::<T>() }
 }
@@ -299,29 +279,6 @@ pub fn min_align_of_val<T: ?Sized>(val: &T) -> usize {
 /// ```
 #[inline]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[cfg(stage0)]
-pub fn align_of<T>() -> usize {
-    unsafe { intrinsics::min_align_of::<T>() }
-}
-
-/// Returns the [ABI]-required minimum alignment of a type.
-///
-/// Every reference to a value of the type `T` must be a multiple of this number.
-///
-/// This is the alignment used for struct fields. It may be smaller than the preferred alignment.
-///
-/// [ABI]: https://en.wikipedia.org/wiki/Application_binary_interface
-///
-/// # Examples
-///
-/// ```
-/// use std::mem;
-///
-/// assert_eq!(4, mem::align_of::<i32>());
-/// ```
-#[inline]
-#[stable(feature = "rust1", since = "1.0.0")]
-#[cfg(not(stage0))]
 pub const fn align_of<T>() -> usize {
     unsafe { intrinsics::min_align_of::<T>() }
 }
diff --git a/src/libcore/num/f32.rs b/src/libcore/num/f32.rs
index 50683753684..43d38926c97 100644
--- a/src/libcore/num/f32.rs
+++ b/src/libcore/num/f32.rs
@@ -10,8 +10,6 @@
 
 //! Operations and constants for 32-bits floats (`f32` type)
 
-#![cfg_attr(stage0, allow(overflowing_literals))]
-
 #![stable(feature = "rust1", since = "1.0.0")]
 
 use intrinsics;
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index 63e9373e936..2e42e0dfd55 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -875,36 +875,9 @@ pub fn eq<T: ?Sized>(a: *const T, b: *const T) -> bool {
     a == b
 }
 
-#[stable(feature = "rust1", since = "1.0.0")]
-#[cfg(stage0)]
-impl<T: ?Sized> Clone for *const T {
-    #[inline]
-    fn clone(&self) -> *const T {
-        *self
-    }
-}
-
-#[stable(feature = "rust1", since = "1.0.0")]
-#[cfg(stage0)]
-impl<T: ?Sized> Clone for *mut T {
-    #[inline]
-    fn clone(&self) -> *mut T {
-        *self
-    }
-}
-
 // Impls for function pointers
 macro_rules! fnptr_impls_safety_abi {
     ($FnTy: ty, $($Arg: ident),*) => {
-        #[stable(feature = "rust1", since = "1.0.0")]
-        #[cfg(stage0)]
-        impl<Ret, $($Arg),*> Clone for $FnTy {
-            #[inline]
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
-
         #[stable(feature = "fnptr_impls", since = "1.4.0")]
         impl<Ret, $($Arg),*> PartialEq for $FnTy {
             #[inline]
diff --git a/src/libcore/tuple.rs b/src/libcore/tuple.rs
index 555843dba41..4c5370194fe 100644
--- a/src/libcore/tuple.rs
+++ b/src/libcore/tuple.rs
@@ -22,14 +22,6 @@ macro_rules! tuple_impls {
     )+) => {
         $(
             #[stable(feature = "rust1", since = "1.0.0")]
-            #[cfg(stage0)]
-            impl<$($T:Clone),+> Clone for ($($T,)+) {
-                fn clone(&self) -> ($($T,)+) {
-                    ($(self.$idx.clone(),)+)
-                }
-            }
-
-            #[stable(feature = "rust1", since = "1.0.0")]
             impl<$($T:PartialEq),+> PartialEq for ($($T,)+) where last_type!($($T,)+): ?Sized {
                 #[inline]
                 fn eq(&self, other: &($($T,)+)) -> bool {