---

yaml
---
r: 167295
b: refs/heads/try
c: 9ac9d7a
h: refs/heads/master
i:
  167293: 5a7d6a9
  167291: 7a0d27f
  167287: ce77f72
  167279: 1fbb277
  167263: 555ee36
  167231: c9c70e3
  167167: 3fba59a
v: v3

Author: alexcrichton

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 023dfb0c898d851dee6ace2f8339b73b5287136b
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 023dfb0c898d851dee6ace2f8339b73b5287136b
-refs/heads/try: 6ca45c3871fa5f32c2a5fa755b549727e4aa6a5c
+refs/heads/try: 9ac9d7af3b60c8536034a41434ab52e6261d8c24
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/mk/cfg/x86_64-unknown-dragonfly.mk

@@ -7,9 +7,9 @@ CFG_LIB_NAME_x86_64-unknown-dragonfly=lib$(1).so
 CFG_STATIC_LIB_NAME_x86_64-unknown-dragonfly=lib$(1).a
 CFG_LIB_GLOB_x86_64-unknown-dragonfly=lib$(1)-*.so
 CFG_LIB_DSYM_GLOB_x86_64-unknown-dragonfly=$(1)-*.dylib.dSYM
-CFG_JEMALLOC_CFLAGS_x86_64-unknown-dragonfly := -I/usr/include -I/usr/local/include $(CFLAGS)
-CFG_GCCISH_CFLAGS_x86_64-unknown-dragonfly := -Wall -Werror -g -fPIC -I/usr/include -I/usr/local/include $(CFLAGS)
-CFG_GCCISH_LINK_FLAGS_x86_64-unknown-dragonfly := -shared -fPIC -g -pthread  -lrt
+CFG_JEMALLOC_CFLAGS_x86_64-unknown-dragonfly := -m64 -I/usr/include -I/usr/local/include $(CFLAGS)
+CFG_GCCISH_CFLAGS_x86_64-unknown-dragonfly := -Wall -Werror -g -fPIC -m64 -I/usr/include -I/usr/local/include $(CFLAGS)
+CFG_GCCISH_LINK_FLAGS_x86_64-unknown-dragonfly := -shared -fPIC -g -pthread  -lrt -m64
 CFG_GCCISH_DEF_FLAG_x86_64-unknown-dragonfly := -Wl,--export-dynamic,--dynamic-list=
 CFG_GCCISH_PRE_LIB_FLAGS_x86_64-unknown-dragonfly := -Wl,-whole-archive
 CFG_GCCISH_POST_LIB_FLAGS_x86_64-unknown-dragonfly := -Wl,-no-whole-archive

branches/try/mk/crates.mk

@@ -122,7 +122,12 @@ DOC_CRATES := $(filter-out rustc, \
               $(filter-out rustc_borrowck, \
               $(filter-out rustc_resolve, \
               $(filter-out rustc_driver, \
-              $(filter-out syntax, $(CRATES))))))))
+              $(filter-out log, \
+              $(filter-out regex, \
+              $(filter-out regex_macros, \
+              $(filter-out getopts, \
+              $(filter-out time, \
+              $(filter-out syntax, $(CRATES)))))))))))))
 COMPILER_DOC_CRATES := rustc rustc_trans rustc_borrowck rustc_resolve \
                        rustc_typeck rustc_driver syntax
 

branches/try/mk/docs.mk

@@ -236,7 +236,8 @@ LIB_DOC_DEP_$(1) = \
 	$$(RSINPUTS_$(1)) \
 	$$(RUSTDOC_EXE) \
 	$$(foreach dep,$$(RUST_DEPS_$(1)), \
-		$$(TLIB2_T_$(CFG_BUILD)_H_$(CFG_BUILD))/stamp.$$(dep) \
+		$$(TLIB2_T_$(CFG_BUILD)_H_$(CFG_BUILD))/stamp.$$(dep)) \
+	$$(foreach dep,$$(filter $$(DOC_CRATES), $$(RUST_DEPS_$(1))), \
 		doc/$$(dep)/)
 else
 LIB_DOC_DEP_$(1) = $$(CRATEFILE_$(1)) $$(RSINPUTS_$(1))

branches/try/mk/rt.mk

@@ -180,7 +180,7 @@ $$(JEMALLOC_LOCAL_$(1)): $$(JEMALLOC_DEPS) $$(MKFILE_DEPS)
 		AR="$$(AR_$(1))" \
 		RANLIB="$$(AR_$(1)) s" \
 		CPPFLAGS="-I $(S)src/rt/" \
-		EXTRA_CFLAGS="-g1"
+		EXTRA_CFLAGS="-g1 -ffunction-sections -fdata-sections"
 	$$(Q)$$(MAKE) -C "$$(JEMALLOC_BUILD_DIR_$(1))" build_lib_static
 
 ifeq ($$(CFG_DISABLE_JEMALLOC),)

branches/try/src/compiletest/errors.rs

@@ -67,7 +67,7 @@ fn parse_expected(last_nonfollow_error: Option<uint>,
                   re: &Regex) -> Option<(WhichLine, ExpectedError)> {
     re.captures(line).and_then(|caps| {
         let adjusts = caps.name("adjusts").unwrap_or("").len();
-        let kind = caps.name("kind").unwrap_or("").to_ascii_lower();
+        let kind = caps.name("kind").unwrap_or("").to_ascii_lowercase();
         let msg = caps.name("msg").unwrap_or("").trim().to_string();
         let follow = caps.name("follow").unwrap_or("").len() > 0;
 

branches/try/src/compiletest/runtest.rs

@@ -21,6 +21,8 @@ use util::logv;
 #[cfg(target_os = "windows")]
 use util;
 
+#[cfg(target_os = "windows")]
+use std::ascii::AsciiExt;
 use std::io::File;
 use std::io::fs::PathExtensions;
 use std::io::fs;
@@ -985,22 +987,9 @@ fn check_expected_errors(expected_errors: Vec<errors::ExpectedError> ,
         format!("{}:{}:", testfile.display(), ee.line)
     }).collect::<Vec<String> >();
 
-    #[cfg(target_os = "windows")]
-    fn to_lower( s : &str ) -> String {
-        let i = s.chars();
-        let c : Vec<char> = i.map( |c| {
-            if c.is_ascii() {
-                c.to_ascii().to_lowercase().as_char()
-            } else {
-                c
-            }
-        } ).collect();
-        String::from_chars(c.as_slice())
-    }
-
     #[cfg(windows)]
     fn prefix_matches( line : &str, prefix : &str ) -> bool {
-        to_lower(line).as_slice().starts_with(to_lower(prefix).as_slice())
+        line.to_ascii_lowercase().starts_with(prefix.to_ascii_lowercase().as_slice())
     }
 
     #[cfg(unix)]

branches/try/src/doc/guide.md

@@ -1604,10 +1604,6 @@ let a = [1i, 2i, 3i];     // a: [int, ..3]
 let mut m = [1i, 2i, 3i]; // mut m: [int, ..3]
 ```
 
-You can create an array with a given number of elements, all initialized to the
-same value, with `[val, ..N]` syntax. The compiler ensures that arrays are
-always initialized.
-
 There's a shorthand for initializing each element of an array to the same
 value. In this example, each element of `a` will be initialized to `0i`:
 

branches/try/src/doc/intro.md

@@ -483,7 +483,7 @@ fn main() {
     for i in range(0u, 3u) {
         let number = numbers.clone();
         Thread::spawn(move || {
-            let mut array = number.lock();
+            let mut array = number.lock().unwrap();
 
             (*array)[i] += 1;
 

branches/try/src/doc/reference.md

@@ -640,7 +640,7 @@ names, and invoked through a consistent syntax: `name!(...)`. Examples include:
 * `stringify!` : pretty-print the Rust expression given as an argument
 * `include!` : include the Rust expression in the given file
 * `include_str!` : include the contents of the given file as a string
-* `include_bin!` : include the contents of the given file as a binary blob
+* `include_bytes!` : include the contents of the given file as a binary blob
 * `error!`, `warn!`, `info!`, `debug!` : provide diagnostic information.
 
 All of the above extensions are expressions with values.

branches/try/src/etc/rustup.sh

@@ -229,6 +229,18 @@ validate_opt() {
     done
 }
 
+create_tmp_dir() {
+    local TMP_DIR=./rustup-tmp-install
+
+    rm -Rf "${TMP_DIR}"
+    need_ok "failed to remove temporary installation directory"
+
+    mkdir -p "${TMP_DIR}"
+    need_ok "failed to create create temporary installation directory"
+
+    echo $TMP_DIR
+}
+
 probe_need CFG_CURL  curl
 probe_need CFG_TAR   tar
 probe_need CFG_FILE  file
@@ -401,7 +413,9 @@ then
     CFG_INSTALL_FLAGS="${CFG_INSTALL_FLAGS} --prefix=${CFG_PREFIX}"
 fi
 
-CFG_TMP_DIR="./rustup-tmp-install"
+CFG_TMP_DIR=$(mktemp -d 2>/dev/null \
+           || mktemp -d -t 'rustup-tmp-install' 2>/dev/null \
+           || create_tmp_dir)
 
 RUST_URL="https://static.rust-lang.org/dist"
 RUST_PACKAGE_NAME=rust-nightly
@@ -424,9 +438,6 @@ download_package() {
 
     msg "Downloading ${remote_tarball} to ${local_tarball}"
 
-    mkdir -p "${CFG_TMP_DIR}"
-    need_ok "failed to create create download directory"
-
     "${CFG_CURL}" -f -o "${local_tarball}" "${remote_tarball}"
     if [ $? -ne 0 ]
     then

branches/try/src/etc/snapshot.py

@@ -37,6 +37,7 @@ def scrub(b):
     "macos": ["bin/rustc"],
     "winnt": ["bin/rustc.exe"],
     "freebsd": ["bin/rustc"],
+    "dragonfly": ["bin/rustc"],
     }
 
 winnt_runtime_deps_32 = ["libgcc_s_dw2-1.dll",
@@ -86,6 +87,8 @@ def get_kernel(triple):
         return "macos"
     if os_name == "freebsd":
         return "freebsd"
+    if os_name == "dragonfly":
+        return "dragonfly"
     return "linux"
 
 def get_cpu(triple):

branches/try/src/liballoc/arc.rs

@@ -58,7 +58,7 @@
 //!     let five = five.clone();
 //!
 //!     Thread::spawn(move || {
-//!         let mut number = five.lock();
+//!         let mut number = five.lock().unwrap();
 //!
 //!         *number += 1;
 //!
@@ -76,11 +76,11 @@ use core::default::Default;
 use core::kinds::{Sync, Send};
 use core::mem::{min_align_of, size_of, drop};
 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::RawPtr;
-use core::ptr;
+use core::ptr::{mod, PtrExt};
 use heap::deallocate;
 
 /// An atomically reference counted wrapper for shared state.
@@ -114,9 +114,13 @@ use heap::deallocate;
 pub struct Arc<T> {
     // FIXME #12808: strange name to try to avoid interfering with
     // field accesses of the contained type via Deref
-    _ptr: *mut ArcInner<T>,
+    _ptr: NonZero<*mut ArcInner<T>>,
 }
 
+unsafe impl<T: Sync + Send> Send for Arc<T> { }
+unsafe impl<T: Sync + Send> Sync for Arc<T> { }
+
+
 /// A weak pointer to an `Arc`.
 ///
 /// Weak pointers will not keep the data inside of the `Arc` alive, and can be used to break cycles
@@ -126,16 +130,22 @@ pub struct Arc<T> {
 pub struct Weak<T> {
     // FIXME #12808: strange name to try to avoid interfering with
     // field accesses of the contained type via Deref
-    _ptr: *mut ArcInner<T>,
+    _ptr: NonZero<*mut ArcInner<T>>,
 }
 
+unsafe impl<T: Sync + Send> Send for Weak<T> { }
+unsafe impl<T: Sync + Send> Sync for Weak<T> { }
+
 struct ArcInner<T> {
     strong: atomic::AtomicUint,
     weak: atomic::AtomicUint,
     data: T,
 }
 
-impl<T: Sync + Send> Arc<T> {
+unsafe impl<T: Sync + Send> Send for ArcInner<T> {}
+unsafe impl<T: Sync + Send> Sync for ArcInner<T> {}
+
+impl<T> Arc<T> {
     /// Constructs a new `Arc<T>`.
     ///
     /// # Examples
@@ -155,7 +165,7 @@ impl<T: Sync + Send> Arc<T> {
             weak: atomic::AtomicUint::new(1),
             data: data,
         };
-        Arc { _ptr: unsafe { mem::transmute(x) } }
+        Arc { _ptr: unsafe { NonZero::new(mem::transmute(x)) } }
     }
 
     /// Downgrades the `Arc<T>` to a `Weak<T>` reference.
@@ -184,7 +194,7 @@ impl<T> Arc<T> {
         // pointer is valid. Furthermore, we know that the `ArcInner` structure itself is `Sync`
         // because the inner data is `Sync` as well, so we're ok loaning out an immutable pointer
         // to these contents.
-        unsafe { &*self._ptr }
+        unsafe { &**self._ptr }
     }
 }
 
@@ -271,7 +281,7 @@ impl<T: Send + Sync + Clone> Arc<T> {
         // pointer that will ever be returned to T. Our reference count is guaranteed to be 1 at
         // this point, and we required the Arc itself to be `mut`, so we're returning the only
         // possible reference to the inner data.
-        let inner = unsafe { &mut *self._ptr };
+        let inner = unsafe { &mut **self._ptr };
         &mut inner.data
     }
 }
@@ -306,7 +316,8 @@ impl<T: Sync + Send> Drop for Arc<T> {
     fn drop(&mut self) {
         // This structure has #[unsafe_no_drop_flag], so this drop glue may run more than once (but
         // it is guaranteed to be zeroed after the first if it's run more than once)
-        if self._ptr.is_null() { return }
+        let ptr = *self._ptr;
+        if ptr.is_null() { return }
 
         // Because `fetch_sub` is already atomic, we do not need to synchronize with other threads
         // unless we are going to delete the object. This same logic applies to the below
@@ -336,7 +347,7 @@ impl<T: Sync + Send> Drop for Arc<T> {
 
         if self.inner().weak.fetch_sub(1, atomic::Release) == 1 {
             atomic::fence(atomic::Acquire);
-            unsafe { deallocate(self._ptr as *mut u8, size_of::<ArcInner<T>>(),
+            unsafe { deallocate(ptr as *mut u8, size_of::<ArcInner<T>>(),
                                 min_align_of::<ArcInner<T>>()) }
         }
     }
@@ -376,7 +387,7 @@ impl<T: Sync + Send> Weak<T> {
     #[inline]
     fn inner(&self) -> &ArcInner<T> {
         // See comments above for why this is "safe"
-        unsafe { &*self._ptr }
+        unsafe { &**self._ptr }
     }
 }
 
@@ -432,14 +443,16 @@ impl<T: Sync + Send> Drop for Weak<T> {
     /// } // implicit drop
     /// ```
     fn drop(&mut self) {
+        let ptr = *self._ptr;
+
         // see comments above for why this check is here
-        if self._ptr.is_null() { return }
+        if ptr.is_null() { return }
 
         // If we find out that we were the last weak pointer, then its time to deallocate the data
         // entirely. See the discussion in Arc::drop() about the memory orderings
         if self.inner().weak.fetch_sub(1, atomic::Release) == 1 {
             atomic::fence(atomic::Acquire);
-            unsafe { deallocate(self._ptr as *mut u8, size_of::<ArcInner<T>>(),
+            unsafe { deallocate(ptr as *mut u8, size_of::<ArcInner<T>>(),
                                 min_align_of::<ArcInner<T>>()) }
         }
     }
@@ -587,6 +600,7 @@ mod tests {
     use std::str::Str;
     use std::sync::atomic;
     use std::task;
+    use std::kinds::Send;
     use std::vec::Vec;
     use super::{Arc, Weak, weak_count, strong_count};
     use std::sync::Mutex;
@@ -708,7 +722,7 @@ mod tests {
 
         let a = Arc::new(Cycle { x: Mutex::new(None) });
         let b = a.clone().downgrade();
-        *a.x.lock() = Some(b);
+        *a.x.lock().unwrap() = Some(b);
 
         // hopefully we don't double-free (or leak)...
     }

branches/try/src/liballoc/boxed.rs

@@ -19,6 +19,7 @@ use core::hash::{mod, Hash};
 use core::kinds::Sized;
 use core::mem;
 use core::option::Option;
+use core::ptr::Unique;
 use core::raw::TraitObject;
 use core::result::Result;
 use core::result::Result::{Ok, Err};
@@ -44,7 +45,7 @@ pub static HEAP: () = ();
 /// A type that represents a uniquely-owned value.
 #[lang = "owned_box"]
 #[unstable = "custom allocators will add an additional type parameter (with default)"]
-pub struct Box<T>(*mut T);
+pub struct Box<T>(Unique<T>);
 
 #[stable]
 impl<T: Default> Default for Box<T> {

branches/try/src/liballoc/heap.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use core::ptr::RawPtr;
+use core::ptr::PtrExt;
 
 // FIXME: #13996: mark the `allocate` and `reallocate` return value as `noalias`
 
@@ -371,7 +371,7 @@ mod imp {
 mod test {
     extern crate test;
     use self::test::Bencher;
-    use core::ptr::RawPtr;
+    use core::ptr::PtrExt;
     use heap;
 
     #[test]