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src/liballoc/arc.rs

@@ -355,7 +355,6 @@ impl<T: Clone> Arc<T> {
     }
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for Arc<T> {
     /// Drops the `Arc<T>`.
@@ -489,7 +488,6 @@ impl<T> Clone for Weak<T> {
     }
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for Weak<T> {
     /// Drops the `Weak<T>`.

src/liballoc/lib.rs

@@ -73,7 +73,7 @@
 #![feature(allocator)]
 #![feature(custom_attribute)]
 #![feature(fundamental)]
-#![feature(lang_items, unsafe_destructor)]
+#![feature(lang_items)]
 #![feature(box_syntax)]
 #![feature(optin_builtin_traits)]
 #![feature(unboxed_closures)]

src/liballoc/rc.rs

@@ -375,7 +375,6 @@ impl<T> Deref for Rc<T> {
     }
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for Rc<T> {
     /// Drops the `Rc<T>`.
@@ -693,7 +692,6 @@ impl<T> Weak<T> {
     }
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for Weak<T> {
     /// Drops the `Weak<T>`.

src/libarena/lib.rs

@@ -35,7 +35,6 @@
 #![feature(core)]
 #![feature(staged_api)]
 #![feature(unboxed_closures)]
-#![feature(unsafe_destructor)]
 #![cfg_attr(test, feature(test))]
 
 extern crate alloc;
@@ -124,7 +123,6 @@ fn chunk(size: usize, is_copy: bool) -> Chunk {
     }
 }
 
-#[unsafe_destructor]
 impl<'longer_than_self> Drop for Arena<'longer_than_self> {
     fn drop(&mut self) {
         unsafe {
@@ -510,7 +508,6 @@ impl<T> TypedArena<T> {
     }
 }
 
-#[unsafe_destructor]
 impl<T> Drop for TypedArena<T> {
     fn drop(&mut self) {
         unsafe {

src/libcollections/btree/node.rs

@@ -270,14 +270,12 @@ impl<T> DoubleEndedIterator for RawItems<T> {
     }
 }
 
-#[unsafe_destructor]
 impl<T> Drop for RawItems<T> {
     fn drop(&mut self) {
         for _ in self.by_ref() {}
     }
 }
 
-#[unsafe_destructor]
 impl<K, V> Drop for Node<K, V> {
     fn drop(&mut self) {
         if self.keys.is_null() ||
@@ -1394,7 +1392,6 @@ impl<K, V> TraversalImpl for MoveTraversalImpl<K, V> {
     }
 }
 
-#[unsafe_destructor]
 impl<K, V> Drop for MoveTraversalImpl<K, V> {
     fn drop(&mut self) {
         // We need to cleanup the stored values manually, as the RawItems destructor would run

src/libcollections/lib.rs

@@ -33,7 +33,6 @@
 #![feature(staged_api)]
 #![feature(unboxed_closures)]
 #![feature(unicode)]
-#![feature(unsafe_destructor)]
 #![feature(unique)]
 #![feature(unsafe_no_drop_flag, filling_drop)]
 #![feature(step_by)]

src/libcollections/linked_list.rs

@@ -624,7 +624,6 @@ impl<T> LinkedList<T> {
     }
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for LinkedList<T> {
     fn drop(&mut self) {

src/libcollections/vec.rs

@@ -1626,7 +1626,6 @@ impl<'a, T: Clone> Add<&'a [T]> for Vec<T> {
     }
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for Vec<T> {
     fn drop(&mut self) {
@@ -1808,7 +1807,6 @@ impl<T> DoubleEndedIterator for IntoIter<T> {
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> ExactSizeIterator for IntoIter<T> {}
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for IntoIter<T> {
     fn drop(&mut self) {
@@ -1867,7 +1865,6 @@ impl<'a, T> DoubleEndedIterator for Drain<'a, T> {
     }
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<'a, T> Drop for Drain<'a, T> {
     fn drop(&mut self) {
@@ -1914,7 +1911,6 @@ impl<'a, T> Deref for DerefVec<'a, T> {
 }
 
 // Prevent the inner `Vec<T>` from attempting to deallocate memory.
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<'a, T> Drop for DerefVec<'a, T> {
     fn drop(&mut self) {
@@ -1983,7 +1979,6 @@ struct PartialVecZeroSized<T,U> {
     marker: PhantomData<::core::cell::Cell<(T,U)>>,
 }
 
-#[unsafe_destructor]
 impl<T,U> Drop for PartialVecNonZeroSized<T,U> {
     fn drop(&mut self) {
         unsafe {
@@ -2009,7 +2004,6 @@ impl<T,U> Drop for PartialVecNonZeroSized<T,U> {
     }
 }
 
-#[unsafe_destructor]
 impl<T,U> Drop for PartialVecZeroSized<T,U> {
     fn drop(&mut self) {
         unsafe {

src/libcollections/vec_deque.rs

@@ -59,7 +59,6 @@ impl<T: Clone> Clone for VecDeque<T> {
     }
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> Drop for VecDeque<T> {
     fn drop(&mut self) {
@@ -1612,7 +1611,6 @@ pub struct Drain<'a, T: 'a> {
     inner: &'a mut VecDeque<T>,
 }
 
-#[unsafe_destructor]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<'a, T: 'a> Drop for Drain<'a, T> {
     fn drop(&mut self) {

src/libcollectionstest/lib.rs

@@ -18,7 +18,6 @@
 #![feature(test)]
 #![feature(unboxed_closures)]
 #![feature(unicode)]
-#![feature(unsafe_destructor)]
 #![feature(into_cow)]
 #![feature(step_by)]
 #![cfg_attr(test, feature(str_char))]

src/libcollectionstest/vec.rs

@@ -18,7 +18,6 @@ struct DropCounter<'a> {
     count: &'a mut u32
 }
 
-#[unsafe_destructor]
 impl<'a> Drop for DropCounter<'a> {
     fn drop(&mut self) {
         *self.count += 1;

src/libcore/cell.rs

@@ -493,7 +493,6 @@ impl<'b> BorrowRef<'b> {
     }
 }
 
-#[unsafe_destructor]
 impl<'b> Drop for BorrowRef<'b> {
     #[inline]
     fn drop(&mut self) {
@@ -557,7 +556,6 @@ struct BorrowRefMut<'b> {
     _borrow: &'b Cell<BorrowFlag>,
 }
 
-#[unsafe_destructor]
 impl<'b> Drop for BorrowRefMut<'b> {
     #[inline]
     fn drop(&mut self) {

src/libcore/fmt/mod.rs

@@ -34,8 +34,7 @@ mod num;
 mod float;
 mod builders;
 
-#[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
-#[cfg_attr(not(stage0), unstable(feature = "core", reason = "internal to format_args!"))]
+#[unstable(feature = "core", reason = "internal to format_args!")]
 #[doc(hidden)]
 pub mod rt {
     pub mod v1;
@@ -148,8 +147,7 @@ enum Void {}
 /// compile time it is ensured that the function and the value have the correct
 /// types, and then this struct is used to canonicalize arguments to one type.
 #[derive(Copy)]
-#[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
-#[cfg_attr(not(stage0), unstable(feature = "core", reason = "internal to format_args!"))]
+#[unstable(feature = "core", reason = "internal to format_args!")]
 #[doc(hidden)]
 pub struct ArgumentV1<'a> {
     value: &'a Void,
@@ -169,8 +167,7 @@ impl<'a> ArgumentV1<'a> {
     }
 
     #[doc(hidden)]
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
-    #[cfg_attr(not(stage0), unstable(feature = "core", reason = "internal to format_args!"))]
+    #[unstable(feature = "core", reason = "internal to format_args!")]
     pub fn new<'b, T>(x: &'b T,
                       f: fn(&T, &mut Formatter) -> Result) -> ArgumentV1<'b> {
         unsafe {
@@ -182,8 +179,7 @@ impl<'a> ArgumentV1<'a> {
     }
 
     #[doc(hidden)]
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
-    #[cfg_attr(not(stage0), unstable(feature = "core", reason = "internal to format_args!"))]
+    #[unstable(feature = "core", reason = "internal to format_args!")]
     pub fn from_usize(x: &usize) -> ArgumentV1 {
         ArgumentV1::new(x, ArgumentV1::show_usize)
     }
@@ -206,8 +202,7 @@ impl<'a> Arguments<'a> {
     /// When using the format_args!() macro, this function is used to generate the
     /// Arguments structure.
     #[doc(hidden)] #[inline]
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
-    #[cfg_attr(not(stage0), unstable(feature = "core", reason = "internal to format_args!"))]
+    #[unstable(feature = "core", reason = "internal to format_args!")]
     pub fn new_v1(pieces: &'a [&'a str],
                   args: &'a [ArgumentV1<'a>]) -> Arguments<'a> {
         Arguments {
@@ -224,8 +219,7 @@ impl<'a> Arguments<'a> {
     /// created with `argumentusize`. However, failing to do so doesn't cause
     /// unsafety, but will ignore invalid .
     #[doc(hidden)] #[inline]
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
-    #[cfg_attr(not(stage0), unstable(feature = "core", reason = "internal to format_args!"))]
+    #[unstable(feature = "core", reason = "internal to format_args!")]
     pub fn new_v1_formatted(pieces: &'a [&'a str],
                             args: &'a [ArgumentV1<'a>],
                             fmt: &'a [rt::v1::Argument]) -> Arguments<'a> {

src/libcore/fmt/rt/v1.rs

@@ -14,69 +14,46 @@
 //! These definitions are similar to their `ct` equivalents, but differ in that
 //! these can be statically allocated and are slightly optimized for the runtime
 
-#![cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
-#![cfg_attr(not(stage0), unstable(feature = "core", reason = "internal to format_args!"))]
+#![unstable(feature = "core", reason = "internal to format_args!")]
 
 #[derive(Copy, Clone)]
-#[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
 pub struct Argument {
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     pub position: Position,
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     pub format: FormatSpec,
 }
 
 #[derive(Copy, Clone)]
-#[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
 pub struct FormatSpec {
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     pub fill: char,
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     pub align: Alignment,
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     pub flags: u32,
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     pub precision: Count,
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     pub width: Count,
 }
 
 /// Possible alignments that can be requested as part of a formatting directive.
 #[derive(Copy, Clone, PartialEq)]
-#[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
 pub enum Alignment {
     /// Indication that contents should be left-aligned.
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     Left,
     /// Indication that contents should be right-aligned.
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     Right,
     /// Indication that contents should be center-aligned.
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     Center,
     /// No alignment was requested.
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     Unknown,
 }
 
 #[derive(Copy, Clone)]
-#[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
 pub enum Count {
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     Is(usize),
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     Param(usize),
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     NextParam,
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     Implied,
 }
 
 #[derive(Copy, Clone)]
-#[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
 pub enum Position {
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     Next,
-    #[cfg_attr(stage0, stable(feature = "rust1", since = "1.0.0"))]
     At(usize)
 }

src/libcore/intrinsics.rs

@@ -303,14 +303,8 @@ extern "rust-intrinsic" {
     /// }
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[cfg(not(stage0))]
     pub fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
 
-    /// dox
-    #[stable(feature = "rust1", since = "1.0.0")]
-    #[cfg(stage0)]
-    pub fn copy_nonoverlapping<T>(dst: *mut T, src: *const T, count: usize);
-
     /// Copies `count * size_of<T>` bytes from `src` to `dst`. The source
     /// and destination may overlap.
     ///
@@ -340,14 +334,8 @@ extern "rust-intrinsic" {
     /// ```
     ///
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[cfg(not(stage0))]
     pub fn copy<T>(src: *const T, dst: *mut T, count: usize);
 
-    /// dox
-    #[stable(feature = "rust1", since = "1.0.0")]
-    #[cfg(stage0)]
-    pub fn copy<T>(dst: *mut T, src: *const T, count: usize);
-
     /// Invokes memset on the specified pointer, setting `count * size_of::<T>()`
     /// bytes of memory starting at `dst` to `c`.
     #[stable(feature = "rust1", since = "1.0.0")]
@@ -572,7 +560,5 @@ extern "rust-intrinsic" {
 
     /// Returns the value of the discriminant for the variant in 'v',
     /// cast to a `u64`; if `T` has no discriminant, returns 0.
-    // SNAP 5520801
-    #[cfg(not(stage0))]
     pub fn discriminant_value<T>(v: &T) -> u64;
 }

src/libcore/lib.rs

@@ -65,7 +65,7 @@
 
 #![feature(intrinsics, lang_items)]
 #![feature(on_unimplemented)]
-#![feature(simd, unsafe_destructor)]
+#![feature(simd)]
 #![feature(staged_api)]
 #![feature(unboxed_closures)]
 #![feature(rustc_attrs)]