Auto merge of #23482 - alexcrichton:snapshots, r=aturon

Author: bors

src/liballoc/boxed.rs

@@ -264,7 +264,6 @@ impl BoxAny for Box<Any> {
     }
 }
 
-#[cfg(not(stage0))]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl BoxAny for Box<Any+Send> {
     #[inline]

src/liballoc/heap.rs

@@ -8,10 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#[cfg(stage0)]
-#[cfg(not(test))]
-use core::ptr::PtrExt;
-
 // FIXME: #13996: mark the `allocate` and `reallocate` return value as `noalias`
 
 /// Return a pointer to `size` bytes of memory aligned to `align`.

src/liballoc/rc.rs

@@ -159,9 +159,6 @@ use core::nonzero::NonZero;
 use core::ops::{Deref, Drop};
 use core::option::Option;
 use core::option::Option::{Some, None};
-#[cfg(stage0)]
-use core::ptr::{self, PtrExt};
-#[cfg(not(stage0))]
 use core::ptr;
 use core::result::Result;
 use core::result::Result::{Ok, Err};

src/libarena/lib.rs

@@ -43,12 +43,8 @@ extern crate alloc;
 use std::cell::{Cell, RefCell};
 use std::cmp;
 use std::intrinsics;
-#[cfg(stage0)] // SNAP 270a677
-use std::intrinsics::{get_tydesc, TyDesc};
 use std::marker;
 use std::mem;
-#[cfg(stage0)]
-use std::num::{Int, UnsignedInt};
 use std::ptr;
 use std::rc::Rc;
 use std::rt::heap::{allocate, deallocate};
@@ -190,14 +186,12 @@ fn un_bitpack_tydesc_ptr(p: usize) -> (*const TyDesc, bool) {
 // HACK(eddyb) TyDesc replacement using a trait object vtable.
 // This could be replaced in the future with a custom DST layout,
 // or `&'static (drop_glue, size, align)` created by a `const fn`.
-#[cfg(not(stage0))] // SNAP 270a677
 struct TyDesc {
     drop_glue: fn(*const i8),
     size: usize,
     align: usize
 }
 
-#[cfg(not(stage0))] // SNAP 270a677
 unsafe fn get_tydesc<T>() -> *const TyDesc {
     use std::raw::TraitObject;
 

src/libcollections/btree/node.rs

@@ -105,9 +105,6 @@ struct MutNodeSlice<'a, K: 'a, V: 'a> {
 /// Fails if `target_alignment` is not a power of two.
 #[inline]
 fn round_up_to_next(unrounded: usize, target_alignment: usize) -> usize {
-    #[cfg(stage0)]
-    use core::num::UnsignedInt;
-
     assert!(target_alignment.is_power_of_two());
     (unrounded + target_alignment - 1) & !(target_alignment - 1)
 }

src/libcollections/macros.rs

@@ -8,45 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#[cfg(stage0)]
-/// Creates a `Vec` containing the arguments.
-///
-/// `vec!` allows `Vec`s to be defined with the same syntax as array expressions.
-/// There are two forms of this macro:
-///
-/// - Create a `Vec` containing a given list of elements:
-///
-/// ```
-/// let v = vec![1, 2, 3];
-/// assert_eq!(v[0], 1);
-/// assert_eq!(v[1], 2);
-/// assert_eq!(v[2], 3);
-/// ```
-///
-/// - Create a `Vec` from a given element and size:
-///
-/// ```
-/// let v = vec![1; 3];
-/// assert_eq!(v, [1, 1, 1]);
-/// ```
-///
-/// Note that unlike array expressions this syntax supports all elements
-/// which implement `Clone` and the number of elements doesn't have to be
-/// a constant.
-#[macro_export]
-#[stable(feature = "rust1", since = "1.0.0")]
-macro_rules! vec {
-    ($elem:expr; $n:expr) => (
-        $crate::vec::from_elem($elem, $n)
-    );
-    ($($x:expr),*) => (
-        <[_] as $crate::slice::SliceExt>::into_vec(
-            $crate::boxed::Box::new([$($x),*]))
-    );
-    ($($x:expr,)*) => (vec![$($x),*])
-}
-
-#[cfg(not(stage0))]
 /// Creates a `Vec` containing the arguments.
 ///
 /// `vec!` allows `Vec`s to be defined with the same syntax as array expressions.
@@ -84,11 +45,10 @@ macro_rules! vec {
     ($($x:expr,)*) => (vec![$($x),*])
 }
 
-// HACK(japaric): with cfg(test) the inherent `[T]::into_vec` method, which is required for this
-// macro definition, is not available. Instead use the `slice::into_vec`  function which is only
-// available with cfg(test)
+// HACK(japaric): with cfg(test) the inherent `[T]::into_vec` method, which is
+// required for this macro definition, is not available. Instead use the
+// `slice::into_vec`  function which is only available with cfg(test)
 // NB see the slice::hack module in slice.rs for more information
-#[cfg(not(stage0))]
 #[cfg(test)]
 macro_rules! vec {
     ($elem:expr; $n:expr) => (