---

yaml
---
r: 227832
b: refs/heads/try
c: 70b2f47
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: aca2057ed5fb7af3f8905b2bc01f72fa001c35c8
 refs/heads/snap-stage3: 1af31d4974e33027a68126fa5a5a3c2c6491824f
-refs/heads/try: 7b4eb1aa90e49f6d068052b6e2baa5f59336ee13
+refs/heads/try: 70b2f4789e10e33ed64bb92252809cd50337cbf7
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try/configure

@@ -899,6 +899,18 @@ then
     fi
 fi
 
+# If the clang isn't already enabled, check for GCC, and if it is missing, turn
+# on clang as a backup.
+if [ -z "$CFG_ENABLE_CLANG" ]
+then
+  CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
+  if [ $? -ne 0 ]
+  then
+    step_msg "GCC not installed, will try using Clang"
+    CFG_ENABLE_CLANG=1
+  fi
+fi
+
 # Okay, at this point, we have made up our minds about whether we are
 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
 if [ ! -z "$CFG_ENABLE_CLANG" ]
@@ -920,7 +932,7 @@ then
     LLVM_VERSION=$($LLVM_CONFIG --version)
 
     case $LLVM_VERSION in
-        (3.[5-6]*)
+        (3.[5-7]*)
             msg "found ok version of LLVM: $LLVM_VERSION"
             ;;
         (*)
@@ -1037,6 +1049,14 @@ for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
   CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
 done
 
+# copy build-triples to host-triples so that builds are a subset of hosts
+V_TEMP=""
+for i in $CFG_BUILD $CFG_HOST;
+do
+   echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
+done
+CFG_HOST=$V_TEMP
+
 # copy host-triples to target-triples so that hosts are a subset of targets
 V_TEMP=""
 for i in $CFG_HOST $CFG_TARGET;

branches/try/mk/main.mk

@@ -13,7 +13,7 @@
 ######################################################################
 
 # The version number
-CFG_RELEASE_NUM=1.2.0
+CFG_RELEASE_NUM=1.3.0
 
 # 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/try/src/doc/style/features/traits/generics.md

@@ -29,7 +29,7 @@ explicitly implement to be used by this generic function.
   explicit conversions or other method calls would usually be necessary. See the
   [overloading/implicits use case](#use-case:-limited-overloading-and/or-implicit-conversions)
   below.
-* _Precise types_. Because generic give a _name_ to the specific type
+* _Precise types_. Because generics give a _name_ to the specific type
   implementing a trait, it is possible to be precise about places where that
   exact type is required or produced. For example, a function
 

branches/try/src/doc/trpl/academic-research.md

@@ -42,5 +42,32 @@ Recommended for inspiration and a better understanding of Rust's background.
 
 ### Papers *about* Rust
 
-* [GPU programming in Rust](http://www.cs.indiana.edu/~eholk/papers/hips2013.pdf)
-* [Parallel closures: a new twist on an old idea](https://www.usenix.org/conference/hotpar12/parallel-closures-new-twist-old-idea) - not exactly about rust, but by nmatsakis
+* [GPU Programming in Rust: Implementing High Level Abstractions in a
+Systems Level
+Language](http://www.cs.indiana.edu/~eholk/papers/hips2013.pdf). Early GPU work by Eric Holk.
+* [Parallel closures: a new twist on an old
+  idea](https://www.usenix.org/conference/hotpar12/parallel-closures-new-twist-old-idea)
+  - not exactly about rust, but by nmatsakis
+* [Patina: A Formalization of the Rust Programming
+  Language](ftp://ftp.cs.washington.edu/tr/2015/03/UW-CSE-15-03-02.pdf). Early
+  formalization of a subset of the type system, by Eric Reed.
+* [Experience Report: Developing the Servo Web Browser Engine using
+  Rust](http://arxiv.org/abs/1505.07383). By Lars Bergstrom.
+* [Implementing a Generic Radix Trie in
+  Rust](https://michaelsproul.github.io/rust_radix_paper/rust-radix-sproul.pdf). Undergrad
+  paper by Michael Sproul.
+* [Reenix: Implementing a Unix-Like Operating System in
+  Rust](http://scialex.github.io/reenix.pdf). Undergrad paper by Alex
+  Light.
+* [Evaluation of performance and productivity metrics of potential
+  programming languages in the HPC environment](). Bachelor's thesis by
+  Florian Wilkens. Compares C, Go and Rust.
+* [Nom, a byte oriented, streaming, zero copy, parser combinators library
+  in Rust](http://spw15.langsec.org/papers/couprie-nom.pdf). By
+  Geoffroy Couprie, research for VLC.
+* [Graph-Based Higher-Order Intermediate
+  Representation](http://compilers.cs.uni-saarland.de/papers/lkh15_cgo.pdf). An
+  experimental IR implemented in Impala, a Rust-like language.
+* [Code Refinement of Stencil
+  Codes](http://compilers.cs.uni-saarland.de/papers/ppl14_web.pdf). Another
+  paper using Impala.

branches/try/src/doc/trpl/documentation.md

@@ -101,13 +101,8 @@ we could have added more explanation in a new paragraph.
 
 #### Special sections
 
-```rust
-/// # Examples
-# fn foo() {}
-```
-
 Next, are special sections. These are indicated with a header, `#`. There
-are three kinds of headers that are commonly used. They aren't special syntax,
+are four kinds of headers that are commonly used. They aren't special syntax,
 just convention, for now.
 
 ```rust
@@ -149,7 +144,7 @@ responsible for upholding.
 # fn foo() {}
 ```
 
-Third, `Examples`. Include one or more examples of using your function or
+Fourth, `Examples`. Include one or more examples of using your function or
 method, and your users will love you for it. These examples go inside of
 code block annotations, which we'll talk about in a moment, and can have
 more than one section:

branches/try/src/doc/trpl/ffi.md

@@ -309,8 +309,8 @@ and invokes callbacks from there.
 In these cases access to Rust data structures inside the callbacks is
 especially unsafe and proper synchronization mechanisms must be used.
 Besides classical synchronization mechanisms like mutexes, one possibility in
-Rust is to use channels (in `std::comm`) to forward data from the C thread
-that invoked the callback into a Rust thread.
+Rust is to use channels (in `std::sync::mpsc`) to forward data from the C
+thread that invoked the callback into a Rust thread.
 
 If an asynchronous callback targets a special object in the Rust address space
 it is also absolutely necessary that no more callbacks are performed by the

branches/try/src/doc/trpl/installing-rust.md

@@ -41,6 +41,8 @@ $ sudo /usr/local/lib/rustlib/uninstall.sh
 If you used the Windows installer, just re-run the `.msi` and it will give you
 an uninstall option.
 
+## That disclaimer we promised
+
 Some people, and somewhat rightfully so, get very upset when we tell you to
 `curl | sh`. Basically, when you do this, you are trusting that the good
 people who maintain Rust aren't going to hack your computer and do bad things.
@@ -50,6 +52,8 @@ binary downloads][install-page].
 
 [from-source]: https://github.com/rust-lang/rust#building-from-source
 
+## Platform support
+
 Oh, we should also mention the officially supported platforms:
 
 * Windows (7, 8, Server 2008 R2)
@@ -66,6 +70,8 @@ integrated as the Linux/OS X experience is. We're working on it! If anything
 does not work, it is a bug. Please let us know if that happens. Each and every
 commit is tested against Windows just like any other platform.
 
+## After installation
+
 If you've got Rust installed, you can open up a shell, and type this:
 
 ```bash

branches/try/src/etc/unicode.py

@@ -372,13 +372,6 @@ def emit_conversions_module(f, to_upper, to_lower, to_title):
         }
     }
 
-    pub fn to_title(c: char) -> [char; 3] {
-        match bsearch_case_table(c, to_titlecase_table) {
-            None        => [c, '\\0', '\\0'],
-            Some(index) => to_titlecase_table[index].1
-        }
-    }
-
     fn bsearch_case_table(c: char, table: &'static [(char, [char; 3])]) -> Option<usize> {
         match table.binary_search_by(|&(key, _)| {
             if c == key { Equal }
@@ -400,9 +393,6 @@ def emit_conversions_module(f, to_upper, to_lower, to_title):
     emit_table(f, "to_uppercase_table",
         sorted(to_upper.iteritems(), key=operator.itemgetter(0)),
         is_pub=False, t_type = t_type, pfun=pfun)
-    emit_table(f, "to_titlecase_table",
-        sorted(to_title.iteritems(), key=operator.itemgetter(0)),
-        is_pub=False, t_type = t_type, pfun=pfun)
     f.write("}\n\n")
 
 def emit_grapheme_module(f, grapheme_table, grapheme_cats):

branches/try/src/libcollections/vec.rs

@@ -1482,7 +1482,7 @@ impl<T> FromIterator<T> for Vec<T> {
             None => return Vec::new(),
             Some(element) => {
                 let (lower, _) = iterator.size_hint();
-                let mut vector = Vec::with_capacity(1 + lower);
+                let mut vector = Vec::with_capacity(lower.saturating_add(1));
                 unsafe {
                     ptr::write(vector.get_unchecked_mut(0), element);
                     vector.set_len(1);
@@ -1570,10 +1570,11 @@ impl<T> Vec<T> {
             let len = self.len();
             if len == self.capacity() {
                 let (lower, _) = iterator.size_hint();
-                self.reserve(lower + 1);
+                self.reserve(lower.saturating_add(1));
             }
             unsafe {
                 ptr::write(self.get_unchecked_mut(len), element);
+                // NB can't overflow since we would have had to alloc the address space
                 self.set_len(len + 1);
             }
         }

branches/try/src/libcollectionstest/lib.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 #![feature(append)]
-#![feature(bit_vec_append_split_off)]
 #![feature(bitset)]
 #![feature(bitvec)]
 #![feature(box_syntax)]

branches/try/src/libcoretest/char.rs

@@ -102,29 +102,6 @@ fn test_to_uppercase() {
     assert_eq!(upper('ᾀ'), ['Ἀ', 'Ι']);
 }
 
-#[test]
-fn test_to_titlecase() {
-    fn title(c: char) -> Vec<char> {
-        c.to_titlecase().collect()
-    }
-    assert_eq!(title('a'), ['A']);
-    assert_eq!(title('ö'), ['Ö']);
-    assert_eq!(title('ß'), ['S', 's']); // not ẞ: Latin capital letter sharp s
-    assert_eq!(title('ü'), ['Ü']);
-    assert_eq!(title('💩'), ['💩']);
-
-    assert_eq!(title('σ'), ['Σ']);
-    assert_eq!(title('τ'), ['Τ']);
-    assert_eq!(title('ι'), ['Ι']);
-    assert_eq!(title('γ'), ['Γ']);
-    assert_eq!(title('μ'), ['Μ']);
-    assert_eq!(title('α'), ['Α']);
-    assert_eq!(title('ς'), ['Σ']);
-    assert_eq!(title('DŽ'), ['Dž']);
-    assert_eq!(title('fi'), ['F', 'i']);
-    assert_eq!(title('ᾀ'), ['ᾈ']);
-}
-
 #[test]
 fn test_is_control() {
     assert!('\u{0}'.is_control());

branches/try/src/liblibc/lib.rs

@@ -441,12 +441,12 @@ pub mod types {
                 pub type intmax_t = i64;
                 pub type uintmax_t = u64;
             }
-            #[cfg(any(target_arch = "x86",
-                      target_arch = "mips",
+            #[cfg(any(target_arch = "mips",
                       target_arch = "mipsel",
                       target_arch = "powerpc",
                       target_arch = "le32",
-                      all(target_arch = "arm", not(target_os = "android"))))]
+                      all(any(target_arch = "arm", target_arch = "x86"),
+                          not(target_os = "android"))))]
             pub mod posix88 {
                 pub type off_t = i32;
                 pub type dev_t = u64;
@@ -458,7 +458,8 @@ pub mod types {
                 pub type mode_t = u32;
                 pub type ssize_t = i32;
             }
-            #[cfg(all(target_arch = "arm", target_os = "android"))]
+            #[cfg(all(any(target_arch = "arm", target_arch = "x86"),
+                      target_os = "android"))]
             pub mod posix88 {
                 pub type off_t = i32;
                 pub type dev_t = u32;
@@ -473,7 +474,8 @@ pub mod types {
             #[cfg(any(target_arch = "x86",
                       target_arch = "le32",
                       target_arch = "powerpc",
-                      all(target_arch = "arm", not(target_os = "android"))))]
+                      all(any(target_arch = "arm", target_arch = "x86"),
+                          not(target_os = "android"))))]
             pub mod posix01 {
                 use types::os::arch::c95::{c_short, c_long, time_t};
                 use types::os::arch::posix88::{dev_t, gid_t, ino_t};
@@ -519,7 +521,8 @@ pub mod types {
                     pub __size: [u32; 9]
                 }
             }
-            #[cfg(all(target_arch = "arm", target_os = "android"))]
+            #[cfg(all(any(target_arch = "arm", target_arch = "x86"),
+                          target_os = "android"))]
             pub mod posix01 {
                 use types::os::arch::c95::{c_uchar, c_uint, c_ulong, time_t};
                 use types::os::arch::c99::{c_longlong, c_ulonglong};
@@ -3597,6 +3600,11 @@ pub mod consts {
             pub const SHUT_RD: c_int = 0;
             pub const SHUT_WR: c_int = 1;
             pub const SHUT_RDWR: c_int = 2;
+
+            pub const LOCK_SH: c_int = 1;
+            pub const LOCK_EX: c_int = 2;
+            pub const LOCK_NB: c_int = 4;
+            pub const LOCK_UN: c_int = 8;
         }
         #[cfg(any(target_arch = "mips",
                   target_arch = "mipsel"))]
@@ -3681,6 +3689,11 @@ pub mod consts {
             pub const SHUT_RD: c_int = 0;
             pub const SHUT_WR: c_int = 1;
             pub const SHUT_RDWR: c_int = 2;
+
+            pub const LOCK_SH: c_int = 1;
+            pub const LOCK_EX: c_int = 2;
+            pub const LOCK_NB: c_int = 4;
+            pub const LOCK_UN: c_int = 8;
         }
         #[cfg(any(target_arch = "x86",
                   target_arch = "x86_64",
@@ -4224,6 +4237,11 @@ pub mod consts {
             pub const SHUT_RD: c_int = 0;
             pub const SHUT_WR: c_int = 1;
             pub const SHUT_RDWR: c_int = 2;
+
+            pub const LOCK_SH: c_int = 1;
+            pub const LOCK_EX: c_int = 2;
+            pub const LOCK_NB: c_int = 4;
+            pub const LOCK_UN: c_int = 8;
         }
         pub mod extra {
             use types::os::arch::c95::c_int;
@@ -4648,6 +4666,11 @@ pub mod consts {
             pub const SHUT_RD: c_int = 0;
             pub const SHUT_WR: c_int = 1;
             pub const SHUT_RDWR: c_int = 2;
+
+            pub const LOCK_SH: c_int = 1;
+            pub const LOCK_EX: c_int = 2;
+            pub const LOCK_NB: c_int = 4;
+            pub const LOCK_UN: c_int = 8;
         }
         pub mod extra {
             use types::os::arch::c95::c_int;
@@ -5089,6 +5112,11 @@ pub mod consts {
             pub const SHUT_RD: c_int = 0;
             pub const SHUT_WR: c_int = 1;
             pub const SHUT_RDWR: c_int = 2;
+
+            pub const LOCK_SH: c_int = 1;
+            pub const LOCK_EX: c_int = 2;
+            pub const LOCK_NB: c_int = 4;
+            pub const LOCK_UN: c_int = 8;
         }
         pub mod extra {
             use types::os::arch::c95::c_int;
@@ -5916,13 +5944,15 @@ pub mod funcs {
             use types::os::arch::c95::c_int;
             use types::os::common::posix01::sighandler_t;
 
-            #[cfg(not(all(target_os = "android", target_arch = "arm")))]
+            #[cfg(not(all(target_os = "android", any(target_arch = "arm",
+                                                     target_arch = "x86"))))]
             extern {
                 pub fn signal(signum: c_int,
                               handler: sighandler_t) -> sighandler_t;
             }
 
-            #[cfg(all(target_os = "android", target_arch = "arm"))]
+            #[cfg(all(target_os = "android", any(target_arch = "arm",
+                                                 target_arch = "x86")))]
             extern {
                 #[link_name = "bsd_signal"]
                 pub fn signal(signum: c_int,
@@ -6116,6 +6146,7 @@ pub mod funcs {
                            -> c_int;
             pub fn realpath(pathname: *const c_char, resolved: *mut c_char)
                             -> *mut c_char;
+            pub fn flock(fd: c_int, operation: c_int) -> c_int;
         }
     }
 
@@ -6132,6 +6163,7 @@ pub mod funcs {
                            -> c_int;
             pub fn mincore(addr: *mut c_void, len: size_t, vec: *mut c_uchar)
                            -> c_int;
+            pub fn flock(fd: c_int, operation: c_int) -> c_int;
         }
     }