---

yaml
---
r: 272731
b: refs/heads/beta
c: ffd734c
h: refs/heads/master
i:
  272729: 351a674
  272727: 4ee644d

Author: gandro

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: 675723e24376527afd36173bab2954154c474e27
+refs/heads/beta: ffd734c35b345501ab72629757f3eb58df97e2f9
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: e06d2ad9fcd5027bcaac5b08fc9aa39a49d0ecd3
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/RELEASES.md

@@ -1,6 +1,16 @@
 Version 1.7.0 (2016-03-03)
 ==========================
 
+Language
+--------
+
+* Soundness fixes to the interactions between associated types and
+  lifetimes, specified in [RFC 1214], [now generate errors][1.7sf] for
+  code that violates the new rules. This is a significant change that
+  is known to break existing code, so it has emitted warnings for the
+  new error cases since 1.4 to give crate authors time to adapt. The
+  details of what is changing are subtle; read the RFC for more.
+
 Libraries
 ---------
 
@@ -49,17 +59,6 @@ Libraries
     * [`IntoStringError::into_cstring`]
     * [`IntoStringError::utf8_error`]
     * `Error for IntoStringError`
-  * Hashing
-    * [`std::hash::BuildHasher`]
-    * [`BuildHasher::Hasher`]
-    * [`BuildHasher::build_hasher`]
-    * [`std::hash::BuildHasherDefault`]
-    * [`HashMap::with_hasher`]
-    * [`HashMap::with_capacity_and_hasher`]
-    * [`HashSet::with_hasher`]
-    * [`HashSet::with_capacity_and_hasher`]
-    * [`std::collections::hash_map::RandomState`]
-    * [`RandomState::new`]
 * [Validating UTF-8 is faster by a factor of between 7 and 14x for
   ASCII input][1.7utf8]. This means that creating `String`s and `str`s
   from bytes is faster.
@@ -81,6 +80,9 @@ Libraries
 Misc
 ----
 
+* [The `--error-format=json` flag to `rustc` causes it to emit errors
+  in JSON format][1.7j]. This is an unstable flag and so also requires
+  the `-Z unstable-options` flag.
 * [When running tests with `--test`, rustdoc will pass `--cfg`
   arguments to the compiler][1.7dt].
 * [The compiler is built with RPATH information by default][1.7rpa].
@@ -102,12 +104,6 @@ Cargo
 Compatibility Notes
 -------------------
 
-* Soundness fixes to the interactions between associated types and
-  lifetimes, specified in [RFC 1214], [now generate errors][1.7sf] for
-  code that violates the new rules. This is a significant change that
-  is known to break existing code, so it has emitted warnings for the
-  new error cases since 1.4 to give crate authors time to adapt. The
-  details of what is changing are subtle; read the RFC for more.
 * [Several bugs in the compiler's visibility calculations were
   fixed][1.7v]. Since this was found to break significant amounts of
   code, the new errors will be emitted as warnings for several release
@@ -130,6 +126,7 @@ Compatibility Notes
 [1.7dta]: https://github.com/rust-lang/rust/pull/30394
 [1.7f]: https://github.com/rust-lang/rust/pull/30672
 [1.7h]: https://github.com/rust-lang/rust/pull/30818
+[1.7j]: https://github.com/rust-lang/rust/pull/30711
 [1.7ll]: https://github.com/rust-lang/rust/pull/30663
 [1.7m]: https://github.com/rust-lang/rust/pull/30381
 [1.7p]: https://github.com/rust-lang/rust/pull/30681
@@ -140,15 +137,11 @@ Compatibility Notes
 [1.7utf8]: https://github.com/rust-lang/rust/pull/30740
 [1.7v]: https://github.com/rust-lang/rust/pull/29973
 [RFC 1214]: https://github.com/rust-lang/rfcs/blob/master/text/1214-projections-lifetimes-and-wf.md
-[`BuildHasher::Hasher`]: http://doc.rust-lang.org/nightly/std/hash/trait.Hasher.html
-[`BuildHasher::build_hasher`]: http://doc.rust-lang.org/nightly/std/hash/trait.BuildHasher.html#tymethod.build_hasher
+[`clone_from_slice`]: http://doc.rust-lang.org/nightly/std/primitive.slice.html#method.clone_from_slice
+[`sort_by_key`]: http://doc.rust-lang.org/nightly/std/primitive.slice.html#method.sort_by_key
 [`CString::into_bytes_with_nul`]: http://doc.rust-lang.org/nightly/std/ffi/struct.CString.html#method.into_bytes_with_nul
 [`CString::into_bytes`]: http://doc.rust-lang.org/nightly/std/ffi/struct.CString.html#method.into_bytes
 [`CString::into_string`]: http://doc.rust-lang.org/nightly/std/ffi/struct.CString.html#method.into_string
-[`HashMap::with_capacity_and_hasher`]: http://doc.rust-lang.org/nightly/std/collections/struct.HashMap.html#method.with_capacity_and_hasher
-[`HashMap::with_hasher`]: http://doc.rust-lang.org/nightly/std/collections/struct.HashMap.html#method.with_hasher
-[`HashSet::with_capacity_and_hasher`]: http://doc.rust-lang.org/nightly/std/collections/struct.HashSet.html#method.with_capacity_and_hasher
-[`HashSet::with_hasher`]: http://doc.rust-lang.org/nightly/std/collections/struct.HashSet.html#method.with_hasher
 [`IntoStringError::into_cstring`]: http://doc.rust-lang.org/nightly/std/ffi/struct.IntoStringError.html#method.into_cstring
 [`IntoStringError::utf8_error`]: http://doc.rust-lang.org/nightly/std/ffi/struct.IntoStringError.html#method.utf8_error
 [`Ipv4Addr::is_broadcast`]: http://doc.rust-lang.org/nightly/std/net/struct.Ipv4Addr.html#method.is_broadcast
@@ -161,12 +154,10 @@ Compatibility Notes
 [`Ipv6Addr::is_multicast`]: http://doc.rust-lang.org/nightly/std/net/struct.Ipv6Addr.html#method.is_multicast
 [`Ipv6Addr::is_unspecified`]: http://doc.rust-lang.org/nightly/std/net/struct.Ipv6Addr.html#method.is_unspecified
 [`Path::strip_prefix`]: http://doc.rust-lang.org/nightly/std/path/struct.Path.html#method.strip_prefix
-[`RandomState::new`]: http://doc.rust-lang.org/nightly/std/collections/hash_map/struct.RandomState.html#method.new
 [`String::as_mut_str`]: http://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_mut_str
 [`String::as_str`]: http://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_str
 [`Vec::as_mut_slice`]: http://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_mut_slice
 [`Vec::as_slice`]: http://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_slice
-[`clone_from_slice`]: http://doc.rust-lang.org/nightly/std/primitive.slice.html#method.clone_from_slice
 [`ffi::IntoStringError`]: http://doc.rust-lang.org/nightly/std/ffi/struct.IntoStringError.html
 [`i32::checked_neg`]: http://doc.rust-lang.org/nightly/std/primitive.i32.html#method.checked_neg
 [`i32::checked_rem`]: http://doc.rust-lang.org/nightly/std/primitive.i32.html#method.checked_rem
@@ -182,13 +173,8 @@ Compatibility Notes
 [`i32::overflowing_sub`]: http://doc.rust-lang.org/nightly/std/primitive.i32.html#method.overflowing_sub
 [`i32::saturating_mul`]: http://doc.rust-lang.org/nightly/std/primitive.i32.html#method.saturating_mul
 [`path::StripPrefixError`]: http://doc.rust-lang.org/nightly/std/path/struct.StripPrefixError.html
-[`sort_by_key`]: http://doc.rust-lang.org/nightly/std/primitive.slice.html#method.sort_by_key
-[`std::collections::hash_map::RandomState`]: http://doc.rust-lang.org/nightly/std/collections/hash_map/struct.RandomState.html
-[`std::hash::BuildHasherDefault`]: http://doc.rust-lang.org/nightly/std/hash/struct.BuildHasherDefault.html
-[`std::hash::BuildHasher`]: http://doc.rust-lang.org/nightly/std/hash/trait.BuildHasher.html
 [`u32::checked_neg`]: http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.checked_neg
 [`u32::checked_rem`]: http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.checked_rem
-[`u32::checked_neg`]: http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.checked_neg
 [`u32::checked_shl`]: http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.checked_shl
 [`u32::overflowing_add`]: http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.overflowing_add
 [`u32::overflowing_div`]: http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.overflowing_div

branches/beta/mk/main.mk

@@ -13,7 +13,7 @@
 ######################################################################
 
 # The version number
-CFG_RELEASE_NUM=1.9.0
+CFG_RELEASE_NUM=1.8.0
 
 # An optional number to put after the label, e.g. '.2' -> '-beta.2'
 # NB Make sure it starts with a dot to conform to semver pre-release

branches/beta/src/doc/book/SUMMARY.md

@@ -9,7 +9,6 @@
     * [Comments](comments.md)
     * [if](if.md)
     * [Loops](loops.md)
-    * [Vectors](vectors.md)
     * [Ownership](ownership.md)
     * [References and Borrowing](references-and-borrowing.md)
     * [Lifetimes](lifetimes.md)
@@ -19,6 +18,7 @@
     * [Match](match.md)
     * [Patterns](patterns.md)
     * [Method Syntax](method-syntax.md)
+    * [Vectors](vectors.md)
     * [Strings](strings.md)
     * [Generics](generics.md)
     * [Traits](traits.md)

branches/beta/src/doc/book/references-and-borrowing.md

@@ -211,10 +211,9 @@ fn main() {
 ```
 
 In other words, the mutable borrow is held through the rest of our example. What
-we want is for the mutable borrow by `y` to end so that the resource can be
-returned to the owner, `x`. `x` can then provide a mutable borrow to `println!`.
-In Rust, borrowing is tied to the scope that the borrow is valid for. And our
-scopes look like this:
+we want is for the mutable borrow to end _before_ we try to call `println!` and
+make an immutable borrow. In Rust, borrowing is tied to the scope that the
+borrow is valid for. And our scopes look like this:
 
 ```rust,ignore
 let mut x = 5;
@@ -379,3 +378,4 @@ statement 1 at 3:14
 
 In the above example, `y` is declared before `x`, meaning that `y` lives longer
 than `x`, which is not allowed.
+

branches/beta/src/doc/book/unsafe.md

@@ -4,7 +4,7 @@ Rust’s main draw is its powerful static guarantees about behavior. But safety
 checks are conservative by nature: there are some programs that are actually
 safe, but the compiler is not able to verify this is true. To write these kinds
 of programs, we need to tell the compiler to relax its restrictions a bit. For
-this, Rust has a keyword, `unsafe`. Code using `unsafe` has fewer restrictions
+this, Rust has a keyword, `unsafe`. Code using `unsafe` has less restrictions
 than normal code does.
 
 Let’s go over the syntax, and then we’ll talk semantics. `unsafe` is used in

branches/beta/src/libcollectionstest/str.rs

@@ -1508,19 +1508,6 @@ generate_iterator_test! {
     with str::rsplitn;
 }
 
-#[test]
-fn different_str_pattern_forwarding_lifetimes() {
-    use std::str::pattern::Pattern;
-
-    fn foo<'a, P>(p: P) where for<'b> &'b P: Pattern<'a> {
-        for _ in 0..3 {
-            "asdf".find(&p);
-        }
-    }
-
-    foo::<&str>("x");
-}
-
 mod bench {
     use test::{Bencher, black_box};
 

branches/beta/src/libcore/array.rs

@@ -12,7 +12,7 @@
 //! up to a certain length. Eventually we should able to generalize
 //! to all lengths.
 //!
-//! *[See also the array primitive type](../../std/primitive.array.html).*
+//! *[See also the array primitive type](../primitive.array.html).*
 
 #![unstable(feature = "fixed_size_array",
             reason = "traits and impls are better expressed through generic \

branches/beta/src/libcore/cell.rs

@@ -241,9 +241,6 @@ impl<T:Copy> Cell<T> {
 #[stable(feature = "rust1", since = "1.0.0")]
 unsafe impl<T> Send for Cell<T> where T: Send {}
 
-#[stable(feature = "rust1", since = "1.0.0")]
-impl<T> !Sync for Cell<T> {}
-
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T:Copy> Clone for Cell<T> {
     #[inline]
@@ -464,9 +461,6 @@ impl<T: ?Sized> RefCell<T> {
 #[stable(feature = "rust1", since = "1.0.0")]
 unsafe impl<T: ?Sized> Send for RefCell<T> where T: Send {}
 
-#[stable(feature = "rust1", since = "1.0.0")]
-impl<T: ?Sized> !Sync for RefCell<T> {}
-
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Clone> Clone for RefCell<T> {
     #[inline]

branches/beta/src/libcore/num/i16.rs

@@ -10,7 +10,7 @@
 
 //! The 16-bit signed integer type.
 //!
-//! *[See also the `i16` primitive type](../../std/primitive.i16.html).*
+//! *[See also the `i16` primitive type](../primitive.i16.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/i32.rs

@@ -10,7 +10,7 @@
 
 //! The 32-bit signed integer type.
 //!
-//! *[See also the `i32` primitive type](../../std/primitive.i32.html).*
+//! *[See also the `i32` primitive type](../primitive.i32.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/i64.rs

@@ -10,7 +10,7 @@
 
 //! The 64-bit signed integer type.
 //!
-//! *[See also the `i64` primitive type](../../std/primitive.i64.html).*
+//! *[See also the `i64` primitive type](../primitive.i64.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/i8.rs

@@ -10,7 +10,7 @@
 
 //! The 8-bit signed integer type.
 //!
-//! *[See also the `i8` primitive type](../../std/primitive.i8.html).*
+//! *[See also the `i8` primitive type](../primitive.i8.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/isize.rs

@@ -10,7 +10,7 @@
 
 //! The pointer-sized signed integer type.
 //!
-//! *[See also the `isize` primitive type](../../std/primitive.isize.html).*
+//! *[See also the `isize` primitive type](../primitive.isize.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/u16.rs

@@ -10,7 +10,7 @@
 
 //! The 16-bit unsigned integer type.
 //!
-//! *[See also the `u16` primitive type](../../std/primitive.u16.html).*
+//! *[See also the `u16` primitive type](../primitive.u16.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/u32.rs

@@ -10,7 +10,7 @@
 
 //! The 32-bit unsigned integer type.
 //!
-//! *[See also the `u32` primitive type](../../std/primitive.u32.html).*
+//! *[See also the `u32` primitive type](../primitive.u32.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/u64.rs

@@ -10,7 +10,7 @@
 
 //! The 64-bit unsigned integer type.
 //!
-//! *[See also the `u64` primitive type](../../std/primitive.u64.html).*
+//! *[See also the `u64` primitive type](../primitive.u64.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/u8.rs

@@ -10,7 +10,7 @@
 
 //! The 8-bit unsigned integer type.
 //!
-//! *[See also the `u8` primitive type](../../std/primitive.u8.html).*
+//! *[See also the `u8` primitive type](../primitive.u8.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/num/usize.rs

@@ -10,7 +10,7 @@
 
 //! The pointer-sized unsigned integer type.
 //!
-//! *[See also the `usize` primitive type](../../std/primitive.usize.html).*
+//! *[See also the `usize` primitive type](../primitive.usize.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/ptr.rs

@@ -12,7 +12,7 @@
 
 //! Raw, unsafe pointers, `*const T`, and `*mut T`
 //!
-//! *[See also the pointer primitive types](../../std/primitive.pointer.html).*
+//! *[See also the pointer primitive types](../primitive.pointer.html).*
 
 #![stable(feature = "rust1", since = "1.0.0")]
 

branches/beta/src/libcore/slice.rs

@@ -285,12 +285,12 @@ impl<T> SliceExt for [T] {
 
     #[inline]
     unsafe fn get_unchecked(&self, index: usize) -> &T {
-        &*(self.as_ptr().offset(index as isize))
+        &*(self.repr().data.offset(index as isize))
     }
 
     #[inline]
     fn as_ptr(&self) -> *const T {
-        self as *const [T] as *const T
+        self.repr().data
     }
 
     fn binary_search_by<F>(&self, mut f: F) -> Result<usize, usize> where
@@ -448,12 +448,12 @@ impl<T> SliceExt for [T] {
 
     #[inline]
     unsafe fn get_unchecked_mut(&mut self, index: usize) -> &mut T {
-        &mut *self.as_mut_ptr().offset(index as isize)
+        &mut *(self.repr().data as *mut T).offset(index as isize)
     }
 
     #[inline]
     fn as_mut_ptr(&mut self) -> *mut T {
-        self as *mut [T] as *mut T
+        self.repr().data as *mut T
     }
 
     #[inline]

branches/beta/src/libcore/str/mod.rs

@@ -1894,7 +1894,7 @@ impl StrExt for str {
 
     #[inline]
     fn as_ptr(&self) -> *const u8 {
-        self as *const str as *const u8
+        self.repr().data
     }
 
     #[inline]

branches/beta/src/libcore/str/pattern.rs

@@ -492,7 +492,7 @@ impl<'a, F> Pattern<'a> for F where F: FnMut(char) -> bool {
 /////////////////////////////////////////////////////////////////////////////
 
 /// Delegates to the `&str` impl.
-impl<'a, 'b, 'c> Pattern<'a> for &'c &'b str {
+impl<'a, 'b> Pattern<'a> for &'b &'b str {
     pattern_methods!(StrSearcher<'a, 'b>, |&s| s, |s| s);
 }
 

branches/beta/src/liblibc

@@ -1 +1 @@
-Subproject commit 16f1c190afbc7605ed50a40f802189e436de68f6
+Subproject commit 07a92067930670473dc53300dfdda23ff486344d

branches/beta/src/librustc/dep_graph/mod.rs

@@ -198,8 +198,8 @@ pub fn visit_all_items_in_krate<'tcx,V,F>(tcx: &ty::ctxt<'tcx>,
         fn visit_item(&mut self, i: &'tcx hir::Item) {
             let item_def_id = self.tcx.map.local_def_id(i.id);
             let task_id = (self.dep_node_fn)(item_def_id);
+            debug!("About to start task {:?}", task_id);
             let _task = self.tcx.dep_graph.in_task(task_id);
-            debug!("Started task {:?}", task_id);
             self.tcx.dep_graph.read(DepNode::Hir(item_def_id));
             self.visitor.visit_item(i)
         }