---

yaml
---
r: 171535
b: refs/heads/batch
c: cedaf46
h: refs/heads/master
i:
  171533: 99665ba
  171531: 8e740fe
  171527: d7b91c2
  171519: a71ca02
v: v3

Author: alexcrichton

[refs]

@@ -29,7 +29,7 @@ refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
 refs/heads/issue-18208-method-dispatch-2: 9e1eae4fb9b6527315b4441cf8a0f5ca911d1671
 refs/heads/automation-fail: 1bf06495443584539b958873e04cc2f864ab10e4
 refs/heads/issue-18208-method-dispatch-3-quick-reject: 2009f85b9f99dedcec4404418eda9ddba90258a2
-refs/heads/batch: 4f801c433f0f48fcdbe7e63575d4ac131774400e
+refs/heads/batch: cedaf4696ffe76afdebbd5183269d91176c97a94
 refs/heads/building: 126db549b038c84269a1e4fe46f051b2c15d6970
 refs/heads/beta: 496dc4eae7de9d14cd49511a9acfbf5f11ae6c3f
 refs/heads/windistfix: 7608dbad651f02e837ed05eef3d74a6662a6e928

branches/batch/configure

@@ -599,6 +599,18 @@ then
 fi
 putvar CFG_RELEASE_CHANNEL
 
+# A magic value that allows the compiler to use unstable features
+# during the bootstrap even when doing so would normally be an error
+# because of feature staging or because the build turns on
+# warnings-as-errors and unstable features default to warnings.  The
+# build has to match this key in an env var. Meant to be a mild
+# deterrent from users just turning on unstable features on the stable
+# channel.
+# Basing CFG_BOOTSTRAP_KEY on CFG_BOOTSTRAP_KEY lets it get picked up
+# during a Makefile reconfig.
+CFG_BOOTSTRAP_KEY="${CFG_BOOTSTRAP_KEY-`date +%N`}"
+putvar CFG_BOOTSTRAP_KEY
+
 step_msg "looking for build programs"
 
 probe_need CFG_PERL        perl

branches/batch/mk/main.mk

@@ -25,11 +25,13 @@ ifeq ($(CFG_RELEASE_CHANNEL),stable)
 CFG_RELEASE=$(CFG_RELEASE_NUM)
 # This is the string used in dist artifact file names, e.g. "0.12.0", "nightly"
 CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)
+CFG_DISABLE_UNSTABLE_FEATURES=1
 endif
 ifeq ($(CFG_RELEASE_CHANNEL),beta)
 # The beta channel is temporarily called 'alpha'
 CFG_RELEASE=$(CFG_RELEASE_NUM)-alpha$(CFG_BETA_CYCLE)
 CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)-alpha$(CFG_BETA_CYCLE)
+CFG_DISABLE_UNSTABLE_FEATURES=1
 endif
 ifeq ($(CFG_RELEASE_CHANNEL),nightly)
 CFG_RELEASE=$(CFG_RELEASE_NUM)-nightly
@@ -319,11 +321,20 @@ export CFG_VERSION_WIN
 export CFG_RELEASE
 export CFG_PACKAGE_NAME
 export CFG_BUILD
+export CFG_RELEASE_CHANNEL
 export CFG_LLVM_ROOT
 export CFG_PREFIX
 export CFG_LIBDIR
 export CFG_LIBDIR_RELATIVE
 export CFG_DISABLE_INJECT_STD_VERSION
+ifdef CFG_DISABLE_UNSTABLE_FEATURES
+CFG_INFO := $(info cfg: disabling unstable features (CFG_DISABLE_UNSTABLE_FEATURES))
+# Turn on feature-staging
+export CFG_DISABLE_UNSTABLE_FEATURES
+endif
+# Subvert unstable feature lints to do the self-build
+export CFG_BOOTSTRAP_KEY
+export RUSTC_BOOTSTRAP_KEY:=$(CFG_BOOTSTRAP_KEY)
 
 ######################################################################
 # Per-stage targets and runner

branches/batch/src/compiletest/compiletest.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 #![crate_type = "bin"]
-#![feature(slicing_syntax, unboxed_closures)]
+#![feature(slicing_syntax)]
 
 #![deny(warnings)]
 

branches/batch/src/doc/guide.md

@@ -1377,7 +1377,7 @@ As you can see, `enum` and `match` used together are quite useful!
 
 `match` is also an expression, which means we can use it on the right-hand
 side of a `let` binding or directly where an expression is used. We could
-also implement the previous line like this:
+also implement the previous example like this:
 
 ```{rust}
 use std::cmp::Ordering;
@@ -1653,7 +1653,7 @@ for e in a.iter() {
 You can access a particular element of an array with **subscript notation**:
 
 ```{rust}
-let names = ["Graydon", "Brian", "Niko"]; // names: [&str, 3]
+let names = ["Graydon", "Brian", "Niko"]; // names: [&str; 3]
 
 println!("The second name is: {}", names[1]);
 ```
@@ -4789,7 +4789,7 @@ of `Option`, we need to provide a concrete type in place of the type
 parameter. For example, if we wanted something like our `OptionalInt`, we would
 need to instantiate an `Option<i32>`. Inside the declaration of our enum,
 wherever we see a `T`, we replace it with the type specified (or inferred by the
-the compiler).
+compiler).
 
 ```{rust}
 let x: Option<i32> = Some(5);

branches/batch/src/doc/intro.md

@@ -542,7 +542,7 @@ use std::thread::Thread;
 fn main() {
     let vec = vec![1i, 2, 3];
 
-    for i in range(1u, 3) {
+    for i in range(0u, 3) {
         Thread::spawn(move || {
             println!("{}", vec[i]);
         }).detach();
@@ -558,7 +558,7 @@ a vector:
 ```{rust}
 let vec = vec![1i, 2, 3];
 
-for i in range(1u, vec.len()) {
+for i in range(0u, vec.len()) {
      println!("{}", vec[i]);
 }
 ```

branches/batch/src/doc/reference.md

@@ -1218,7 +1218,7 @@ the guarantee that these issues are never caused by safe code.
     (`offset` intrinsic), with
     the exception of one byte past the end which is permitted.
   * Using `std::ptr::copy_nonoverlapping_memory` (`memcpy32`/`memcpy64`
-    instrinsics) on overlapping buffers
+    intrinsics) on overlapping buffers
 * Invalid values in primitive types, even in private fields/locals:
   * Dangling/null references or boxes
   * A value other than `false` (0) or `true` (1) in a `bool`

branches/batch/src/etc/emacs/rust-mode.el

@@ -189,7 +189,7 @@
     "u64" "i64"
 
     "f32" "f64"
-    "float" "int" "uint"
+    "float" "int" "uint" "isize" "usize"
     "bool"
     "str" "char"))
 

branches/batch/src/etc/gedit/share/gtksourceview-3.0/language-specs/rust.lang

@@ -79,7 +79,9 @@
     <context id="types" style-ref="type">
 		<keyword>bool</keyword>
 		<keyword>int</keyword>
+		<keyword>isize</keyword>
 		<keyword>uint</keyword>
+		<keyword>usize</keyword>
 		<keyword>i8</keyword>
 		<keyword>i16</keyword>
 		<keyword>i32</keyword>

branches/batch/src/etc/kate/rust.xml

@@ -91,7 +91,9 @@
 	<list name="types">
 		<item> bool </item>
 		<item> int </item>
+		<item> isize </item>
 		<item> uint </item>
+		<item> usize </item>
 		<item> i8 </item>
 		<item> i16 </item>
 		<item> i32 </item>

branches/batch/src/etc/vim/syntax/rust.vim

@@ -59,7 +59,7 @@ syn match rustMacroVariable "$\w\+"
 syn keyword   rustReservedKeyword alignof be do offsetof priv pure sizeof typeof unsized yield abstract final override macro
 
 " Built-in types {{{2
-syn keyword   rustType        int uint float char bool u8 u16 u32 u64 f32
+syn keyword   rustType        int isize uint usize float char bool u8 u16 u32 u64 f32
 syn keyword   rustType        f64 i8 i16 i32 i64 str Self
 
 " Things from the prelude (src/libstd/prelude.rs) {{{2

branches/batch/src/liballoc/arc.rs

@@ -37,7 +37,7 @@
 //!
 //! let five = Arc::new(5i);
 //!
-//! for i in range(0u, 10) {
+//! for _ in range(0u, 10) {
 //!     let five = five.clone();
 //!
 //!     Thread::spawn(move || {
@@ -67,21 +67,20 @@
 //! }
 //! ```
 
+use core::prelude::*;
+
 use core::atomic;
 use core::atomic::Ordering::{Relaxed, Release, Acquire, SeqCst};
 use core::borrow::BorrowFrom;
-use core::clone::Clone;
 use core::fmt::{self, Show};
-use core::cmp::{Eq, Ord, PartialEq, PartialOrd, Ordering};
+use core::cmp::{Ordering};
 use core::default::Default;
-use core::marker::{Sync, Send};
-use core::mem::{min_align_of, size_of, drop};
+use core::mem::{min_align_of, size_of};
 use core::mem;
 use core::nonzero::NonZero;
-use core::ops::{Drop, Deref};
-use core::option::Option;
-use core::option::Option::{Some, None};
-use core::ptr::{self, PtrExt};
+use core::ops::Deref;
+use core::ptr;
+use core::hash::{Hash, Hasher};
 use heap::deallocate;
 
 /// An atomically reference counted wrapper for shared state.
@@ -591,6 +590,12 @@ impl<T: Default + Sync + Send> Default for Arc<T> {
     fn default() -> Arc<T> { Arc::new(Default::default()) }
 }
 
+impl<H: Hasher, T: Hash<H>> Hash<H> for Arc<T> {
+    fn hash(&self, state: &mut H) {
+        (**self).hash(state)
+    }
+}
+
 #[cfg(test)]
 #[allow(experimental)]
 mod tests {

branches/batch/src/liballoc/boxed.rs

@@ -106,12 +106,20 @@ impl<T: ?Sized + Ord> Ord for Box<T> {
 #[stable]}
 impl<T: ?Sized + Eq> Eq for Box<T> {}
 
+#[cfg(stage0)]
 impl<S: hash::Writer, T: ?Sized + Hash<S>> Hash<S> for Box<T> {
     #[inline]
     fn hash(&self, state: &mut S) {
         (**self).hash(state);
     }
 }
+#[cfg(not(stage0))]
+impl<S: hash::Hasher, T: ?Sized + Hash<S>> Hash<S> for Box<T> {
+    #[inline]
+    fn hash(&self, state: &mut S) {
+        (**self).hash(state);
+    }
+}
 
 /// Extension methods for an owning `Any` trait object.
 #[unstable = "post-DST and coherence changes, this will not be a trait but \

branches/batch/src/liballoc/heap.rs

@@ -115,16 +115,20 @@ unsafe fn exchange_free(ptr: *mut u8, old_size: uint, align: uint) {
 // The minimum alignment guaranteed by the architecture. This value is used to
 // add fast paths for low alignment values. In practice, the alignment is a
 // constant at the call site and the branch will be optimized out.
-#[cfg(any(target_arch = "arm",
-          target_arch = "mips",
-          target_arch = "mipsel"))]
+#[cfg(all(not(feature = "external_funcs"),
+          not(feature = "external_crate"),
+          any(target_arch = "arm",
+              target_arch = "mips",
+              target_arch = "mipsel")))]
 const MIN_ALIGN: uint = 8;
-#[cfg(any(target_arch = "x86",
-          target_arch = "x86_64",
-          target_arch = "aarch64"))]
+#[cfg(all(not(feature = "external_funcs"),
+          not(feature = "external_crate"),
+          any(target_arch = "x86",
+              target_arch = "x86_64",
+              target_arch = "aarch64"))]
 const MIN_ALIGN: uint = 16;
 
-#[cfg(external_funcs)]
+#[cfg(feature = "external_funcs")]
 mod imp {
     extern {
         fn rust_allocate(size: uint, align: uint) -> *mut u8;
@@ -142,14 +146,13 @@ mod imp {
     }
 
     #[inline]
-    pub unsafe fn reallocate_inplace(ptr: *mut u8, old_size: uint, size: uint,
-                                     align: uint) -> uint {
-        rust_reallocate_inplace(ptr, old_size, size, align)
+    pub unsafe fn deallocate(ptr: *mut u8, old_size: uint, align: uint) {
+        rust_deallocate(ptr, old_size, align)
     }
 
     #[inline]
-    pub unsafe fn deallocate(ptr: *mut u8, old_size: uint, align: uint) {
-        rust_deallocate(ptr, old_size, align)
+    pub unsafe fn reallocate(ptr: *mut u8, old_size: uint, size: uint, align: uint) -> *mut u8 {
+        rust_reallocate(ptr, old_size, size, align)
     }
 
     #[inline]
@@ -169,14 +172,16 @@ mod imp {
     }
 }
 
-#[cfg(external_crate)]
+#[cfg(feature = "external_crate")]
 mod imp {
     extern crate external;
     pub use self::external::{allocate, deallocate, reallocate_inplace, reallocate};
     pub use self::external::{usable_size, stats_print};
 }
 
-#[cfg(all(not(external_funcs), not(external_crate), jemalloc))]
+#[cfg(all(not(feature = "external_funcs"),
+          not(feature = "external_crate"),
+          jemalloc))]
 mod imp {
     use core::option::Option;
     use core::option::Option::None;
@@ -253,7 +258,10 @@ mod imp {
     }
 }
 
-#[cfg(all(not(external_funcs), not(external_crate), not(jemalloc), unix))]
+#[cfg(all(not(feature = "external_funcs"),
+          not(feature = "external_crate"),
+          not(jemalloc),
+          unix))]
 mod imp {
     use core::cmp;
     use core::ptr;
@@ -314,7 +322,10 @@ mod imp {
     pub fn stats_print() {}
 }
 
-#[cfg(all(not(external_funcs), not(external_crate), not(jemalloc), windows))]
+#[cfg(all(not(feature = "external_funcs"),
+          not(feature = "external_crate"),
+          not(jemalloc),
+          windows))]
 mod imp {
     use libc::{c_void, size_t};
     use libc;

branches/batch/src/liballoc/lib.rs

@@ -58,6 +58,7 @@
 
 #![crate_name = "alloc"]
 #![experimental]
+#![staged_api]
 #![crate_type = "rlib"]
 #![doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
        html_favicon_url = "http://www.rust-lang.org/favicon.ico",
@@ -69,6 +70,8 @@
 
 #[macro_use]
 extern crate core;
+
+#[cfg(all(not(feature = "external_funcs"), not(feature = "external_crate")))]
 extern crate libc;
 
 // Allow testing this library