Rollup of 6 pull requests

src/bootstrap/dist.rs

@@ -757,7 +757,7 @@ impl Step for Src {
             "src/libprofiler_builtins",
         ];
         let std_src_dirs_exclude = [
-            "src/compiler-rt/test",
+            "src/libcompiler_builtins/compiler-rt/test",
             "src/jemalloc/test/unit",
         ];
 

src/bootstrap/native.rs

@@ -407,6 +407,7 @@ impl Step for Openssl {
             "i686-unknown-freebsd" => "BSD-x86-elf",
             "i686-unknown-linux-gnu" => "linux-elf",
             "i686-unknown-linux-musl" => "linux-elf",
+            "i686-unknown-netbsd" => "BSD-x86-elf",
             "mips-unknown-linux-gnu" => "linux-mips32",
             "mips64-unknown-linux-gnuabi64" => "linux64-mips64",
             "mips64el-unknown-linux-gnuabi64" => "linux64-mips64",

src/librustc_privacy/lib.rs

@@ -447,6 +447,7 @@ impl<'b, 'a, 'tcx> TypeVisitor<'tcx> for ReachEverythingInTheInterfaceVisitor<'b
             ty::TyProjection(ref proj) => Some(proj.item_def_id),
             ty::TyFnDef(def_id, ..) |
             ty::TyClosure(def_id, ..) |
+            ty::TyGenerator(def_id, ..) |
             ty::TyAnon(def_id, _) => Some(def_id),
             _ => None
         };

src/librustdoc/html/static/rustdoc.css

@@ -658,11 +658,13 @@ h3 > .collapse-toggle, h4 > .collapse-toggle {
 
 .toggle-wrapper {
 	position: relative;
+	margin-top: 5px;
 }
 
 .toggle-wrapper.collapsed {
-	height: 1em;
+	height: 25px;
 	transition: height .2s;
+	margin-bottom: .6em;
 }
 
 .collapse-toggle > .inner {
@@ -704,14 +706,16 @@ span.since {
 	margin-top: 5px;
 }
 
-.variant + .toggle-wrapper > a {
-	margin-top: 5px;
-}
-
 .sub-variant, .sub-variant > h3 {
 	margin-top: 0 !important;
 }
 
+.toggle-label {
+	display: inline-block;
+	margin-left: 4px;
+	margin-top: 3px;
+}
+
 .enum > .toggle-wrapper + .docblock, .struct > .toggle-wrapper + .docblock {
 	margin-left: 30px;
 	margin-bottom: 20px;

src/libstd/net/addr.rs

@@ -767,7 +767,7 @@ impl hash::Hash for SocketAddrV6 {
 ///
 /// let stream = TcpStream::connect(("127.0.0.1", 443));
 /// // or
-/// let stream = TcpStream::connect("127.0.0.1.443");
+/// let stream = TcpStream::connect("127.0.0.1:443");
 /// // or
 /// let stream = TcpStream::connect((Ipv4Addr::new(127, 0, 0, 1), 443));
 /// ```

src/libstd/net/tcp.rs

@@ -111,15 +111,18 @@ impl TcpStream {
     /// `addr` is an address of the remote host. Anything which implements
     /// [`ToSocketAddrs`] trait can be supplied for the address; see this trait
     /// documentation for concrete examples.
-    /// In case [`ToSocketAddrs::to_socket_addrs()`] returns more than one entry,
-    /// then the first valid and reachable address is used.
+    ///
+    /// If `addr` yields multiple addresses, `connect` will be attempted with
+    /// each of the addresses until a connection is successful. If none of
+    /// the addresses result in a successful connection, the error returned from
+    /// the last connection attempt (the last address) is returned.
     ///
     /// [`ToSocketAddrs`]: ../../std/net/trait.ToSocketAddrs.html
-    /// [`ToSocketAddrs::to_socket_addrs()`]:
-    /// ../../std/net/trait.ToSocketAddrs.html#tymethod.to_socket_addrs
     ///
     /// # Examples
     ///
+    /// Open a TCP connection to `127.0.0.1:8080`:
+    ///
     /// ```no_run
     /// use std::net::TcpStream;
     ///
@@ -129,6 +132,23 @@ impl TcpStream {
     ///     println!("Couldn't connect to server...");
     /// }
     /// ```
+    ///
+    /// Open a TCP connection to `127.0.0.1:8080`. If the connection fails, open
+    /// a TCP connection to `127.0.0.1:8081`:
+    ///
+    /// ```no_run
+    /// use std::net::{SocketAddr, TcpStream};
+    ///
+    /// let addrs = [
+    ///     SocketAddr::from(([127, 0, 0, 1], 8080)),
+    ///     SocketAddr::from(([127, 0, 0, 1], 8081)),
+    /// ];
+    /// if let Ok(stream) = TcpStream::connect(&addrs[..]) {
+    ///     println!("Connected to the server!");
+    /// } else {
+    ///     println!("Couldn't connect to server...");
+    /// }
+    /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     pub fn connect<A: ToSocketAddrs>(addr: A) -> io::Result<TcpStream> {
         super::each_addr(addr, net_imp::TcpStream::connect).map(TcpStream)
@@ -557,16 +577,36 @@ impl TcpListener {
     /// The address type can be any implementor of [`ToSocketAddrs`] trait. See
     /// its documentation for concrete examples.
     ///
+    /// If `addr` yields multiple addresses, `bind` will be attempted with
+    /// each of the addresses until one succeeds and returns the listener. If
+    /// none of the addresses succeed in creating a listener, the error returned
+    /// from the last attempt (the last address) is returned.
+    ///
     /// [`local_addr`]: #method.local_addr
     /// [`ToSocketAddrs`]: ../../std/net/trait.ToSocketAddrs.html
     ///
     /// # Examples
     ///
+    /// Create a TCP listener bound to `127.0.0.1:80`:
+    ///
     /// ```no_run
     /// use std::net::TcpListener;
     ///
     /// let listener = TcpListener::bind("127.0.0.1:80").unwrap();
     /// ```
+    ///
+    /// Create a TCP listener bound to `127.0.0.1:80`. If that fails, create a
+    /// TCP listener bound to `127.0.0.1:443`:
+    ///
+    /// ```no_run
+    /// use std::net::{SocketAddr, TcpListener};
+    ///
+    /// let addrs = [
+    ///     SocketAddr::from(([127, 0, 0, 1], 80)),
+    ///     SocketAddr::from(([127, 0, 0, 1], 443)),
+    /// ];
+    /// let listener = TcpListener::bind(&addrs[..]).unwrap();
+    /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     pub fn bind<A: ToSocketAddrs>(addr: A) -> io::Result<TcpListener> {
         super::each_addr(addr, net_imp::TcpListener::bind).map(TcpListener)

src/libstd/net/udp.rs

@@ -69,14 +69,34 @@ impl UdpSocket {
     /// The address type can be any implementor of [`ToSocketAddrs`] trait. See
     /// its documentation for concrete examples.
     ///
+    /// If `addr` yields multiple addresses, `bind` will be attempted with
+    /// each of the addresses until one succeeds and returns the socket. If none
+    /// of the addresses succeed in creating a socket, the error returned from
+    /// the last attempt (the last address) is returned.
+    ///
     /// [`ToSocketAddrs`]: ../../std/net/trait.ToSocketAddrs.html
     ///
     /// # Examples
     ///
+    /// Create a UDP socket bound to `127.0.0.1:3400`:
+    ///
     /// ```no_run
     /// use std::net::UdpSocket;
     ///
-    /// let socket = UdpSocket::bind("127.0.0.1:34254").expect("couldn't bind to address");
+    /// let socket = UdpSocket::bind("127.0.0.1:3400").expect("couldn't bind to address");
+    /// ```
+    ///
+    /// Create a UDP socket bound to `127.0.0.1:3400`. If the socket cannot be
+    /// bound to that address, create a UDP socket bound to `127.0.0.1:3401`:
+    ///
+    /// ```no_run
+    /// use std::net::{SocketAddr, UdpSocket};
+    ///
+    /// let addrs = [
+    ///     SocketAddr::from(([127, 0, 0, 1], 3400)),
+    ///     SocketAddr::from(([127, 0, 0, 1], 3401)),
+    /// ];
+    /// let socket = UdpSocket::bind(&addrs[..]).expect("couldn't bind to address");
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     pub fn bind<A: ToSocketAddrs>(addr: A) -> io::Result<UdpSocket> {
@@ -130,6 +150,9 @@ impl UdpSocket {
     /// Address type can be any implementor of [`ToSocketAddrs`] trait. See its
     /// documentation for concrete examples.
     ///
+    /// It is possible for `addr` to yield multiple addresses, but `send_to`
+    /// will only send data to the first address yielded by `addr`.
+    ///
     /// This will return an error when the IP version of the local socket
     /// does not match that returned from [`ToSocketAddrs`].
     ///
@@ -562,14 +585,37 @@ impl UdpSocket {
     /// `recv` syscalls to be used to send data and also applies filters to only
     /// receive data from the specified address.
     ///
+    /// If `addr` yields multiple addresses, `connect` will be attempted with
+    /// each of the addresses until a connection is successful. If none of
+    /// the addresses are able to be connected, the error returned from the
+    /// last connection attempt (the last address) is returned.
+    ///
     /// # Examples
     ///
+    /// Create a UDP socket bound to `127.0.0.1:3400` and connect the socket to
+    /// `127.0.0.1:8080`:
+    ///
     /// ```no_run
     /// use std::net::UdpSocket;
     ///
-    /// let socket = UdpSocket::bind("127.0.0.1:34254").expect("couldn't bind to address");
+    /// let socket = UdpSocket::bind("127.0.0.1:3400").expect("couldn't bind to address");
     /// socket.connect("127.0.0.1:8080").expect("connect function failed");
     /// ```
+    ///
+    /// Create a UDP socket bound to `127.0.0.1:3400` and connect the socket to
+    /// `127.0.0.1:8080`. If that connection fails, then the UDP socket will
+    /// connect to `127.0.0.1:8081`:
+    ///
+    /// ```no_run
+    /// use std::net::{SocketAddr, UdpSocket};
+    ///
+    /// let socket = UdpSocket::bind("127.0.0.1:3400").expect("couldn't bind to address");
+    /// let connect_addrs = [
+    ///     SocketAddr::from(([127, 0, 0, 1], 8080)),
+    ///     SocketAddr::from(([127, 0, 0, 1], 8081)),
+    /// ];
+    /// socket.connect(&connect_addrs[..]).expect("connect function failed");
+    /// ```
     #[stable(feature = "net2_mutators", since = "1.9.0")]
     pub fn connect<A: ToSocketAddrs>(&self, addr: A) -> io::Result<()> {
         super::each_addr(addr, |addr| self.0.connect(addr))

src/test/run-pass/generator/auxiliary/xcrate-reachable.rs

@@ -0,0 +1,24 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(conservative_impl_trait, generators, generator_trait)]
+
+use std::ops::Generator;
+
+fn msg() -> u32 {
+    0
+}
+
+pub fn foo() -> impl Generator<Yield=(), Return=u32> {
+    || {
+        yield;
+        return msg();
+    }
+}

src/test/run-pass/generator/xcrate-reachable.rs

@@ -0,0 +1,21 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// aux-build:xcrate-reachable.rs
+
+#![feature(conservative_impl_trait, generator_trait)]
+
+extern crate xcrate_reachable as foo;
+
+use std::ops::Generator;
+
+fn main() {
+    foo::foo().resume();
+}