Merge remote-tracking branch 'rust-lang/master'

Conflicts:
	src/libcore/cmp.rs
	src/libcore/fmt/mod.rs
	src/libcore/iter.rs
	src/libcore/marker.rs
	src/libcore/num/f32.rs
	src/libcore/num/f64.rs
	src/libcore/result.rs
	src/libcore/str/mod.rs
	src/librustc/lint/builtin.rs
	src/librustc/lint/context.rs
	src/libstd/sync/mpsc/mod.rs
	src/libstd/sync/poison.rs

src/test/compile-fail/issue-19660.rs

@@ -0,0 +1,22 @@
+// Copyright 2015 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.
+
+// error-pattern: requires `copy` lang_item
+
+#![feature(lang_items, start)]
+#![no_std]
+
+#[lang = "sized"]
+trait Sized {}
+
+#[start]
+fn main(_: int, _: *const *const u8) -> int {
+    0
+}

src/test/compile-fail/lint-unconditional-recursion.rs

@@ -0,0 +1,66 @@
+// Copyright 2014 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.
+
+#![deny(unconditional_recursion)]
+#![allow(dead_code)]
+fn foo() { //~ ERROR function cannot return without recurring
+    foo(); //~ NOTE recursive call site
+}
+
+fn bar() {
+    if true {
+        bar()
+    }
+}
+
+fn baz() { //~ ERROR function cannot return without recurring
+    if true {
+        baz() //~ NOTE recursive call site
+    } else {
+        baz() //~ NOTE recursive call site
+    }
+}
+
+fn qux() {
+    loop {}
+}
+
+fn quz() -> bool { //~ ERROR function cannot return without recurring
+    if true {
+        while quz() {} //~ NOTE recursive call site
+        true
+    } else {
+        loop { quz(); } //~ NOTE recursive call site
+    }
+}
+
+trait Foo {
+    fn bar(&self) { //~ ERROR function cannot return without recurring
+        self.bar() //~ NOTE recursive call site
+    }
+}
+
+impl Foo for Box<Foo+'static> {
+    fn bar(&self) { //~ ERROR function cannot return without recurring
+        loop {
+            self.bar() //~ NOTE recursive call site
+        }
+    }
+
+}
+
+struct Baz;
+impl Baz {
+    fn qux(&self) { //~ ERROR function cannot return without recurring
+        self.qux(); //~ NOTE recursive call site
+    }
+}
+
+fn main() {}

src/test/compile-fail/require-parens-for-chained-comparison.rs

@@ -12,12 +12,12 @@ fn f<T>() {}
 
 fn main() {
     false == false == false;
-    //~^ ERROR: Chained comparison operators require parentheses
+    //~^ ERROR: chained comparison operators require parentheses
 
     false == 0 < 2;
-    //~^ ERROR: Chained comparison operators require parentheses
+    //~^ ERROR: chained comparison operators require parentheses
 
     f<X>();
-    //~^ ERROR: Chained comparison operators require parentheses
-    //~^^ HELP: use ::< instead of < if you meant to specify type arguments
+    //~^ ERROR: chained comparison operators require parentheses
+    //~^^ HELP: use `::<...>` instead of `<...>`
 }

src/test/compile-fail/unsized2.rs

@@ -15,6 +15,6 @@ fn f<X>() {}
 pub fn main() {
     f<type>();
     //~^ ERROR expected identifier, found keyword `type`
-    //~^^ ERROR: Chained comparison operators require parentheses
-    //~^^^ HELP: use ::< instead of < if you meant to specify type arguments
+    //~^^ ERROR: chained comparison
+    //~^^^ HELP: use `::<
 }

src/test/debuginfo/option-like-enum.rs

@@ -36,6 +36,12 @@
 // gdb-command:print void_droid_gdb->internals
 // gdb-check:$6 = (isize *) 0x0
 
+// gdb-command:print nested_non_zero_yep
+// gdb-check:$7 = {RUST$ENCODED$ENUM$1$2$Nope = {10.5, {a = 10, b = 20, c = [...]}}}
+
+// gdb-command:print nested_non_zero_nope
+// gdb-check:$8 = {RUST$ENCODED$ENUM$1$2$Nope = {[...], {a = [...], b = [...], c = 0x0}}}
+
 // gdb-command:continue
 
 
@@ -67,6 +73,12 @@
 // lldb-command:print none_str
 // lldb-check:[...]$7 = None
 
+// lldb-command:print nested_non_zero_yep
+// lldb-check:[...]$8 = Yep(10.5, NestedNonZeroField { a: 10, b: 20, c: &[...] })
+
+// lldb-command:print nested_non_zero_nope
+// lldb-check:[...]$9 = Nope
+
 
 #![omit_gdb_pretty_printer_section]
 
@@ -102,6 +114,17 @@ struct NamedFieldsRepr<'a> {
     internals: &'a isize
 }
 
+struct NestedNonZeroField<'a> {
+    a: u16,
+    b: u32,
+    c: &'a char,
+}
+
+enum NestedNonZero<'a> {
+    Yep(f64, NestedNonZeroField<'a>),
+    Nope
+}
+
 fn main() {
 
     let some_str: Option<&'static str> = Some("abc");
@@ -124,6 +147,17 @@ fn main() {
     let void_droid = NamedFields::Void;
     let void_droid_gdb: &NamedFieldsRepr = unsafe { std::mem::transmute(&NamedFields::Void) };
 
+    let x = 'x';
+    let nested_non_zero_yep = NestedNonZero::Yep(
+        10.5,
+        NestedNonZeroField {
+            a: 10,
+            b: 20,
+            c: &x
+        });
+
+    let nested_non_zero_nope = NestedNonZero::Nope;
+
     zzz(); // #break
 }
 

src/test/run-pass/issue-15149.rs

@@ -8,33 +8,54 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::io::{TempDir, Command, fs};
+use std::slice::SliceExt;
+use std::io::{Command, fs, USER_RWX};
 use std::os;
+use std::path::BytesContainer;
+use std::rand::random;
 
 fn main() {
     // If we're the child, make sure we were invoked correctly
     let args = os::args();
     if args.len() > 1 && args[1].as_slice() == "child" {
-        return assert_eq!(args[0].as_slice(), "mytest");
+        // FIXME: This should check the whole `args[0]` instead of just
+        // checking that it ends_with the executable name. This
+        // is needed because of Windows, which has a different behavior.
+        // See #15149 for more info.
+        return assert!(args[0].ends_with(&format!("mytest{}", os::consts::EXE_SUFFIX)[]));
     }
 
     test();
 }
 
 fn test() {
-    // If we're the parent, copy our own binary to a tempr directory, and then
-    // make it executable.
-    let dir = TempDir::new("mytest").unwrap();
-    let me = os::self_exe_name().unwrap();
-    let dest = dir.path().join(format!("mytest{}", os::consts::EXE_SUFFIX));
-    fs::copy(&me, &dest).unwrap();
+    // If we're the parent, copy our own binary to a new directory.
+    let my_path = os::self_exe_name().unwrap();
+    let my_dir  = my_path.dir_path();
 
-    // Append the temp directory to our own PATH.
+    let random_u32: u32 = random();
+    let child_dir = Path::new(my_dir.join(format!("issue-15149-child-{}",
+                                                  random_u32)));
+    fs::mkdir(&child_dir, USER_RWX).unwrap();
+
+    let child_path = child_dir.join(format!("mytest{}",
+                                            os::consts::EXE_SUFFIX));
+    fs::copy(&my_path, &child_path).unwrap();
+
+    // Append the new directory to our own PATH.
     let mut path = os::split_paths(os::getenv("PATH").unwrap_or(String::new()));
-    path.push(dir.path().clone());
+    path.push(child_dir.clone());
     let path = os::join_paths(path.as_slice()).unwrap();
 
-    Command::new("mytest").env("PATH", path.as_slice())
-                          .arg("child")
-                          .spawn().unwrap();
+    let child_output = Command::new("mytest").env("PATH", path.as_slice())
+                                             .arg("child")
+                                             .output().unwrap();
+
+    assert!(child_output.status.success(),
+            format!("child assertion failed\n child stdout:\n {}\n child stderr:\n {}",
+                    child_output.output.container_as_str().unwrap(),
+                    child_output.error.container_as_str().unwrap()));
+
+    fs::rmdir_recursive(&child_dir).unwrap();
+
 }

src/test/run-pass/test-fn-signature-verification-for-explicit-return-type.rs

@@ -0,0 +1,20 @@
+// Copyright 2015 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.
+
+// compile-flags: --test
+// no-pretty-expanded
+extern crate test;
+
+#[bench]
+fn bench_explicit_return_type(_: &mut ::test::Bencher) -> () {}
+
+#[test]
+fn test_explicit_return_type() -> () {}
+