---

yaml
---
r: 234918
b: refs/heads/stable
c: 3f178b8
h: refs/heads/master
v: v3

Author: brson

[refs]

@@ -29,7 +29,7 @@ refs/heads/tmp: afae2ff723393b3ab4ccffef6ac7c6d1809e2da0
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f
 refs/tags/homu-tmp: f859507de8c410b648d934d8f5ec1c52daac971d
 refs/tags/1.0.0-beta: 8cbb92b53468ee2b0c2d3eeb8567005953d40828
-refs/heads/stable: cb7d0621556fabcdcc36d0da279305ad285ec662
+refs/heads/stable: 3f178b8653f7de239240103b7a8b07e8f6d8b14f
 refs/tags/1.0.0: 55bd4f8ff2b323f317ae89e254ce87162d52a375
 refs/tags/1.1.0: bc3c16f09287e5545c1d3f76b7abd54f2eca868b
 refs/tags/1.2.0: f557861f822c34f07270347b94b5280de20a597e

branches/stable/RELEASES.md

@@ -13,17 +13,18 @@ Highlights
   * A `symlink_metadata` function has been added.
   * The `fs::Metadata` structure now lowers to its OS counterpart, providing
     access to all underlying information.
-* The compiler now contains extended explanations of many errors. When an error
-  with an explanation occurs the compiler suggests using the `--explain` flag
-  to read the explanation. Error explanations are also [available online][err-index].
+* The compiler contains extended explanations of many errors.  When it
+  emits such an error it also suggests using the `--explain` flag to
+  read the extended explanations, which are also [cataloged on the web
+  site][err].
 * Thanks to multiple [improvements][sk] to [type checking][pre], as
   well as other work, the time to bootstrap the compiler decreased by
   32%.
 
 Libraries
 ---------
 
-* The [`str::split_whitespace`] method splits a string on unicode
+* The `str::split_whitespace` method splits a string on unicode
   whitespace boundaries.
 * On both Windows and Unix, new extension traits provide conversion of
   I/O types to and from the underlying system handles. On Unix, these
@@ -79,14 +80,15 @@ Misc
 * [The `drop_with_repr_extern` lint warns about mixing `repr(C)`
   with `Drop`][drop].
 
-[`str::split_whitespace`]: http://doc.rust-lang.org/nightly/std/primitive.str.html#method.split_whitespace
+[`split_whitespace`]: http://doc.rust-lang.org/nightly/std/primitive.str.html#method.split_whitespace
+[`Iterator::cloned`]: http://doc.rust-lang.org/nightly/core/iter/trait.Iterator.html#method.cloned
 [`FromRawFd`]: http://doc.rust-lang.org/nightly/std/os/unix/io/trait.FromRawFd.html
 [`AsRawFd`]: http://doc.rust-lang.org/nightly/std/os/unix/io/trait.AsRawFd.html
 [`std::os::unix::symlink`]: http://doc.rust-lang.org/nightly/std/os/unix/fs/fn.symlink.html
 [`IntoIterator`]: http://doc.rust-lang.org/nightly/std/iter/trait.IntoIterator.html
 [`From`]: http://doc.rust-lang.org/nightly/std/convert/trait.From.html
 [rf]: https://github.com/rust-lang/rust/pull/24491
-[err-index]: http://doc.rust-lang.org/error-index.html
+[err]: http://doc.rust-lang.org/error-index.html
 [sk]: https://github.com/rust-lang/rust/pull/24615
 [pre]: https://github.com/rust-lang/rust/pull/25323
 [file]: https://github.com/rust-lang/rust/pull/24598
@@ -249,6 +251,7 @@ Misc
 [sw]: https://github.com/rust-lang/rfcs/blob/master/text/1054-str-words.md
 [th]: https://github.com/rust-lang/rfcs/blob/master/text/0909-move-thread-local-to-std-thread.md
 [send-rfc]: https://github.com/rust-lang/rfcs/blob/master/text/0458-send-improvements.md
+[scoped]: http://static.rust-lang.org/doc/master/std/thread/fn.scoped.html
 [moar-ufcs]: https://github.com/rust-lang/rust/pull/22172
 [prim-inherent]: https://github.com/rust-lang/rust/pull/23104
 [overflow]: https://github.com/rust-lang/rfcs/blob/master/text/0560-integer-overflow.md
@@ -258,10 +261,12 @@ Misc
 [string-pattern]: https://github.com/rust-lang/rust/pull/22466
 [oibit-final]: https://github.com/rust-lang/rust/pull/21689
 [reflect]: https://github.com/rust-lang/rust/pull/23712
+[debug-builder]: https://github.com/rust-lang/rfcs/blob/master/text/0640-debug-improvements.md
 [conversion]: https://github.com/rust-lang/rfcs/pull/529
 [num-traits]: https://github.com/rust-lang/rust/pull/23549
 [index-value]: https://github.com/rust-lang/rust/pull/23601
 [dropck]: https://github.com/rust-lang/rfcs/pull/769
+[fundamental]: https://github.com/rust-lang/rfcs/pull/1023
 [ci-compare]: https://gist.github.com/brson/a30a77836fbec057cbee
 [fn-inherit]: https://github.com/rust-lang/rust/pull/23282
 [fn-blanket]: https://github.com/rust-lang/rust/pull/23895
@@ -364,6 +369,7 @@ Version 1.0.0-alpha.2 (February 2015)
 [osstr]: https://github.com/rust-lang/rust/pull/21488
 [osstr-rfc]: https://github.com/rust-lang/rfcs/blob/master/text/0517-io-os-reform.md
 [Self]: https://github.com/rust-lang/rust/pull/22158
+[ufcs]: https://github.com/rust-lang/rust/pull/21077
 [ufcs-rfc]: https://github.com/rust-lang/rfcs/blob/master/text/0132-ufcs.md
 [un]: https://github.com/rust-lang/rust/pull/22256
 

branches/stable/src/liballoc/arc.rs

@@ -77,7 +77,7 @@ use core::atomic;
 use core::atomic::Ordering::{Relaxed, Release, Acquire, SeqCst};
 use core::fmt;
 use core::cmp::Ordering;
-use core::mem::{align_of_val, size_of_val};
+use core::mem::{min_align_of_val, size_of_val};
 use core::intrinsics::drop_in_place;
 use core::mem;
 use core::nonzero::NonZero;
@@ -241,7 +241,7 @@ impl<T: ?Sized> Arc<T> {
 
         if self.inner().weak.fetch_sub(1, Release) == 1 {
             atomic::fence(Acquire);
-            deallocate(ptr as *mut u8, size_of_val(&*ptr), align_of_val(&*ptr))
+            deallocate(ptr as *mut u8, size_of_val(&*ptr), min_align_of_val(&*ptr))
         }
     }
 }
@@ -565,7 +565,7 @@ impl<T: ?Sized> Drop for Weak<T> {
             atomic::fence(Acquire);
             unsafe { deallocate(ptr as *mut u8,
                                 size_of_val(&*ptr),
-                                align_of_val(&*ptr)) }
+                                min_align_of_val(&*ptr)) }
         }
     }
 }

branches/stable/src/liballoc/boxed.rs

@@ -116,7 +116,7 @@ impl<T : ?Sized> Box<T> {
     /// of `T` and releases memory. Since the way `Box` allocates and
     /// releases memory is unspecified, the only valid pointer to pass
     /// to this function is the one taken from another `Box` with
-    /// `Box::into_raw` function.
+    /// `boxed::into_raw` function.
     ///
     /// Function is unsafe, because improper use of this function may
     /// lead to memory problems like double-free, for example if the
@@ -140,8 +140,10 @@ impl<T : ?Sized> Box<T> {
     /// # Examples
     /// ```
     /// # #![feature(box_raw)]
+    /// use std::boxed;
+    ///
     /// let seventeen = Box::new(17u32);
-    /// let raw = Box::into_raw(seventeen);
+    /// let raw = boxed::into_raw(seventeen);
     /// let boxed_again = unsafe { Box::from_raw(raw) };
     /// ```
     #[unstable(feature = "box_raw", reason = "may be renamed")]

branches/stable/src/liballoc/boxed_test.rs

@@ -76,9 +76,9 @@ fn deref() {
 
 #[test]
 fn raw_sized() {
-    let x = Box::new(17);
-    let p = Box::into_raw(x);
     unsafe {
+        let x = Box::new(17);
+        let p = boxed::into_raw(x);
         assert_eq!(17, *p);
         *p = 19;
         let y = Box::from_raw(p);
@@ -105,9 +105,9 @@ fn raw_trait() {
         }
     }
 
-    let x: Box<Foo> = Box::new(Bar(17));
-    let p = Box::into_raw(x);
     unsafe {
+        let x: Box<Foo> = Box::new(Bar(17));
+        let p = boxed::into_raw(x);
         assert_eq!(17, (*p).get());
         (*p).set(19);
         let y: Box<Foo> = Box::from_raw(p);

branches/stable/src/liballoc/rc.rs

@@ -162,7 +162,7 @@ use core::fmt;
 use core::hash::{Hasher, Hash};
 use core::intrinsics::{assume, drop_in_place};
 use core::marker::{self, Unsize};
-use core::mem::{self, align_of, size_of, align_of_val, size_of_val, forget};
+use core::mem::{self, min_align_of, size_of, min_align_of_val, size_of_val, forget};
 use core::nonzero::NonZero;
 use core::ops::{CoerceUnsized, Deref};
 use core::ptr;
@@ -246,7 +246,7 @@ impl<T> Rc<T> {
                 // destruct the box and skip our Drop
                 // we can ignore the refcounts because we know we're unique
                 deallocate(*rc._ptr as *mut u8, size_of::<RcBox<T>>(),
-                            align_of::<RcBox<T>>());
+                            min_align_of::<RcBox<T>>());
                 forget(rc);
                 Ok(val)
             }
@@ -496,7 +496,7 @@ impl<T: ?Sized> Drop for Rc<T> {
                     if self.weak() == 0 {
                         deallocate(ptr as *mut u8,
                                    size_of_val(&*ptr),
-                                   align_of_val(&*ptr))
+                                   min_align_of_val(&*ptr))
                     }
                 }
             }
@@ -805,7 +805,7 @@ impl<T: ?Sized> Drop for Weak<T> {
                 // the strong pointers have disappeared.
                 if self.weak() == 0 {
                     deallocate(ptr as *mut u8, size_of_val(&*ptr),
-                               align_of_val(&*ptr))
+                               min_align_of_val(&*ptr))
                 }
             }
         }

branches/stable/src/libarena/lib.rs

@@ -244,7 +244,7 @@ impl<'longer_than_self> Arena<'longer_than_self> {
     fn alloc_copy<T, F>(&self, op: F) -> &mut T where F: FnOnce() -> T {
         unsafe {
             let ptr = self.alloc_copy_inner(mem::size_of::<T>(),
-                                            mem::align_of::<T>());
+                                            mem::min_align_of::<T>());
             let ptr = ptr as *mut T;
             ptr::write(&mut (*ptr), op());
             return &mut *ptr;
@@ -300,7 +300,7 @@ impl<'longer_than_self> Arena<'longer_than_self> {
             let tydesc = get_tydesc::<T>();
             let (ty_ptr, ptr) =
                 self.alloc_noncopy_inner(mem::size_of::<T>(),
-                                         mem::align_of::<T>());
+                                         mem::min_align_of::<T>());
             let ty_ptr = ty_ptr as *mut usize;
             let ptr = ptr as *mut T;
             // Write in our tydesc along with a bit indicating that it
@@ -393,7 +393,7 @@ struct TypedArenaChunk<T> {
 
 fn calculate_size<T>(capacity: usize) -> usize {
     let mut size = mem::size_of::<TypedArenaChunk<T>>();
-    size = round_up(size, mem::align_of::<T>());
+    size = round_up(size, mem::min_align_of::<T>());
     let elem_size = mem::size_of::<T>();
     let elems_size = elem_size.checked_mul(capacity).unwrap();
     size = size.checked_add(elems_size).unwrap();
@@ -405,7 +405,7 @@ impl<T> TypedArenaChunk<T> {
     unsafe fn new(next: *mut TypedArenaChunk<T>, capacity: usize)
            -> *mut TypedArenaChunk<T> {
         let size = calculate_size::<T>(capacity);
-        let chunk = allocate(size, mem::align_of::<TypedArenaChunk<T>>())
+        let chunk = allocate(size, mem::min_align_of::<TypedArenaChunk<T>>())
                     as *mut TypedArenaChunk<T>;
         if chunk.is_null() { alloc::oom() }
         (*chunk).next = next;
@@ -431,7 +431,7 @@ impl<T> TypedArenaChunk<T> {
         let size = calculate_size::<T>(self.capacity);
         let self_ptr: *mut TypedArenaChunk<T> = self;
         deallocate(self_ptr as *mut u8, size,
-                   mem::align_of::<TypedArenaChunk<T>>());
+                   mem::min_align_of::<TypedArenaChunk<T>>());
         if !next.is_null() {
             let capacity = (*next).capacity;
             (*next).destroy(capacity);
@@ -444,7 +444,7 @@ impl<T> TypedArenaChunk<T> {
         let this: *const TypedArenaChunk<T> = self;
         unsafe {
             mem::transmute(round_up(this.offset(1) as usize,
-                                    mem::align_of::<T>()))
+                                    mem::min_align_of::<T>()))
         }
     }
 

branches/stable/src/libcollections/btree/node.rs

@@ -163,12 +163,12 @@ fn test_offset_calculation() {
 }
 
 fn calculate_allocation_generic<K, V>(capacity: usize, is_leaf: bool) -> (usize, usize) {
-    let (keys_size, keys_align) = (capacity * mem::size_of::<K>(), mem::align_of::<K>());
-    let (vals_size, vals_align) = (capacity * mem::size_of::<V>(), mem::align_of::<V>());
+    let (keys_size, keys_align) = (capacity * mem::size_of::<K>(), mem::min_align_of::<K>());
+    let (vals_size, vals_align) = (capacity * mem::size_of::<V>(), mem::min_align_of::<V>());
     let (edges_size, edges_align) = if is_leaf {
         (0, 1)
     } else {
-        ((capacity + 1) * mem::size_of::<Node<K, V>>(), mem::align_of::<Node<K, V>>())
+        ((capacity + 1) * mem::size_of::<Node<K, V>>(), mem::min_align_of::<Node<K, V>>())
     };
 
     calculate_allocation(
@@ -181,11 +181,11 @@ fn calculate_allocation_generic<K, V>(capacity: usize, is_leaf: bool) -> (usize,
 fn calculate_offsets_generic<K, V>(capacity: usize, is_leaf: bool) -> (usize, usize) {
     let keys_size = capacity * mem::size_of::<K>();
     let vals_size = capacity * mem::size_of::<V>();
-    let vals_align = mem::align_of::<V>();
+    let vals_align = mem::min_align_of::<V>();
     let edges_align = if is_leaf {
         1
     } else {
-        mem::align_of::<Node<K, V>>()
+        mem::min_align_of::<Node<K, V>>()
     };
 
     calculate_offsets(

branches/stable/src/libcollections/vec.rs

@@ -219,7 +219,7 @@ impl<T> Vec<T> {
         } else {
             let size = capacity.checked_mul(mem::size_of::<T>())
                                .expect("capacity overflow");
-            let ptr = unsafe { allocate(size, mem::align_of::<T>()) };
+            let ptr = unsafe { allocate(size, mem::min_align_of::<T>()) };
             if ptr.is_null() { ::alloc::oom() }
             unsafe { Vec::from_raw_parts(ptr as *mut T, 0, capacity) }
         }
@@ -393,7 +393,7 @@ impl<T> Vec<T> {
                 let ptr = reallocate(*self.ptr as *mut u8,
                                      self.cap * mem::size_of::<T>(),
                                      self.len * mem::size_of::<T>(),
-                                     mem::align_of::<T>()) as *mut T;
+                                     mem::min_align_of::<T>()) as *mut T;
                 if ptr.is_null() { ::alloc::oom() }
                 self.ptr = Unique::new(ptr);
             }
@@ -866,9 +866,9 @@ impl<T> Vec<T> {
             // FIXME: Assert statically that the types `T` and `U` have the
             // same minimal alignment in case they are not zero-sized.
 
-            // These asserts are necessary because the `align_of` of the
+            // These asserts are necessary because the `min_align_of` of the
             // types are passed to the allocator by `Vec`.
-            assert!(mem::align_of::<T>() == mem::align_of::<U>());
+            assert!(mem::min_align_of::<T>() == mem::min_align_of::<U>());
 
             // This `as isize` cast is safe, because the size of the elements of the
             // vector is not 0, and:
@@ -1269,9 +1269,9 @@ impl<T> Vec<T> {
 #[inline(never)]
 unsafe fn alloc_or_realloc<T>(ptr: *mut T, old_size: usize, size: usize) -> *mut T {
     if old_size == 0 {
-        allocate(size, mem::align_of::<T>()) as *mut T
+        allocate(size, mem::min_align_of::<T>()) as *mut T
     } else {
-        reallocate(ptr as *mut u8, old_size, size, mem::align_of::<T>()) as *mut T
+        reallocate(ptr as *mut u8, old_size, size, mem::min_align_of::<T>()) as *mut T
     }
 }
 
@@ -1280,7 +1280,7 @@ unsafe fn dealloc<T>(ptr: *mut T, len: usize) {
     if mem::size_of::<T>() != 0 {
         deallocate(ptr as *mut u8,
                    len * mem::size_of::<T>(),
-                   mem::align_of::<T>())
+                   mem::min_align_of::<T>())
     }
 }
 

branches/stable/src/libcollections/vec_deque.rs

@@ -67,7 +67,7 @@ impl<T> Drop for VecDeque<T> {
             if mem::size_of::<T>() != 0 {
                 heap::deallocate(*self.ptr as *mut u8,
                                  self.cap * mem::size_of::<T>(),
-                                 mem::align_of::<T>())
+                                 mem::min_align_of::<T>())
             }
         }
     }
@@ -172,7 +172,7 @@ impl<T> VecDeque<T> {
 
         let ptr = unsafe {
             if mem::size_of::<T>() != 0 {
-                let ptr = heap::allocate(size, mem::align_of::<T>())  as *mut T;;
+                let ptr = heap::allocate(size, mem::min_align_of::<T>())  as *mut T;;
                 if ptr.is_null() { ::alloc::oom() }
                 Unique::new(ptr)
             } else {
@@ -340,7 +340,7 @@ impl<T> VecDeque<T> {
                     let ptr = heap::reallocate(*self.ptr as *mut u8,
                                                old,
                                                new,
-                                               mem::align_of::<T>()) as *mut T;
+                                               mem::min_align_of::<T>()) as *mut T;
                     if ptr.is_null() { ::alloc::oom() }
                     self.ptr = Unique::new(ptr);
                 }
@@ -460,7 +460,7 @@ impl<T> VecDeque<T> {
                     let ptr = heap::reallocate(*self.ptr as *mut u8,
                                                old,
                                                new_size,
-                                               mem::align_of::<T>()) as *mut T;
+                                               mem::min_align_of::<T>()) as *mut T;
                     if ptr.is_null() { ::alloc::oom() }
                     self.ptr = Unique::new(ptr);
                 }