---

yaml
---
r: 217915
b: refs/heads/master
c: ee43c5e
h: refs/heads/master
i:
  217913: 3d25974
  217911: 263c3db
v: v3

Author: steveklabnik

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: b959f256bf52e1fef23c197289693a67d373565f
+refs/heads/master: ee43c5e2f0d838de2721b8c5a30aa25d882398d9
 refs/heads/snap-stage3: ba0e1cd8147d452c356aacb29fb87568ca26f111
 refs/heads/try: b53c0f93eedcdedd4fd89bccc5a3a09d1c5cd23e
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105

trunk/README.md

@@ -73,7 +73,7 @@ Read ["Installing Rust"] from [The Book].
    ```
 
 3. Run `mingw32_shell.bat` or `mingw64_shell.bat` from wherever you installed
-   MSYS2 (i.e. `C:\msys`), depending on whether you want 32-bit or 64-bit Rust.
+   MYSY2 (i.e. `C:\msys`), depending on whether you want 32-bit or 64-bit Rust.
 
 4. Navigate to Rust's source code, configure and build it:
 

trunk/mk/main.mk

@@ -295,6 +295,7 @@ LLVM_BINDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --bindir)
 LLVM_INCDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --includedir)
 LLVM_LIBDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --libdir)
 LLVM_LIBDIR_RUSTFLAGS_$(1)=-L "$$(LLVM_LIBDIR_$(1))"
+LLVM_LIBS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --libs $$(LLVM_COMPONENTS))
 LLVM_LDFLAGS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --ldflags)
 ifeq ($$(findstring freebsd,$(1)),freebsd)
 # On FreeBSD, it may search wrong headers (that are for pre-installed LLVM),

trunk/mk/target.mk

@@ -249,9 +249,11 @@ endef
 
 $(foreach host,$(CFG_HOST), \
  $(foreach target,$(CFG_TARGET), \
-  $(foreach crate,$(CRATES), \
-   $(eval $(call SETUP_LIB_MSVC_ENV_VARS,0,$(target),$(host),$(crate))))))
+  $(foreach stage,$(STAGES), \
+   $(foreach crate,$(CRATES), \
+    $(eval $(call SETUP_LIB_MSVC_ENV_VARS,$(stage),$(target),$(host),$(crate)))))))
 $(foreach host,$(CFG_HOST), \
  $(foreach target,$(CFG_TARGET), \
-  $(foreach tool,$(TOOLS), \
-   $(eval $(call SETUP_TOOL_MSVC_ENV_VARS,0,$(target),$(host),$(tool))))))
+  $(foreach stage,$(STAGES), \
+   $(foreach tool,$(TOOLS), \
+    $(eval $(call SETUP_TOOL_MSVC_ENV_VARS,$(stage),$(target),$(host),$(tool)))))))

trunk/src/compiletest/runtest.rs

@@ -1126,10 +1126,16 @@ impl fmt::Display for Status {
 
 fn compile_test(config: &Config, props: &TestProps,
                 testfile: &Path) -> ProcRes {
+    compile_test_(config, props, testfile, &[])
+}
+
+fn compile_test_(config: &Config, props: &TestProps,
+                 testfile: &Path, extra_args: &[String]) -> ProcRes {
     let aux_dir = aux_output_dir_name(config, testfile);
     // FIXME (#9639): This needs to handle non-utf8 paths
-    let link_args = vec!("-L".to_string(),
-                         aux_dir.to_str().unwrap().to_string());
+    let mut link_args = vec!("-L".to_string(),
+                             aux_dir.to_str().unwrap().to_string());
+    link_args.extend(extra_args.iter().cloned());
     let args = make_compile_args(config,
                                  props,
                                  link_args,
@@ -1138,7 +1144,7 @@ fn compile_test(config: &Config, props: &TestProps,
 }
 
 fn document(config: &Config, props: &TestProps,
-            testfile: &Path) -> (ProcRes, PathBuf) {
+            testfile: &Path, extra_args: &[String]) -> (ProcRes, PathBuf) {
     let aux_dir = aux_output_dir_name(config, testfile);
     let out_dir = output_base_name(config, testfile);
     let _ = fs::remove_dir_all(&out_dir);
@@ -1148,6 +1154,7 @@ fn document(config: &Config, props: &TestProps,
                         "-o".to_string(),
                         out_dir.to_str().unwrap().to_string(),
                         testfile.to_str().unwrap().to_string()];
+    args.extend(extra_args.iter().cloned());
     args.extend(split_maybe_args(&props.compile_flags));
     let args = ProcArgs {
         prog: config.rustdoc_path.to_str().unwrap().to_string(),
@@ -1710,7 +1717,7 @@ fn charset() -> &'static str {
 }
 
 fn run_rustdoc_test(config: &Config, props: &TestProps, testfile: &Path) {
-    let (proc_res, out_dir) = document(config, props, testfile);
+    let (proc_res, out_dir) = document(config, props, testfile, &[]);
     if !proc_res.status.success() {
         fatal_proc_rec("rustdoc failed!", &proc_res);
     }

trunk/src/doc/reference.md

@@ -338,16 +338,12 @@ type of the literal. The integer suffix must be the name of one of the
 integral types: `u8`, `i8`, `u16`, `i16`, `u32`, `i32`, `u64`, `i64`,
 `isize`, or `usize`.
 
-The type of an _unsuffixed_ integer literal is determined by type inference:
-
-* If an integer type can be _uniquely_ determined from the surrounding
-  program context, the unsuffixed integer literal has that type.
-
-* If the program context underconstrains the type, it defaults to the
-  signed 32-bit integer `i32`.
-
-* If the program context overconstrains the type, it is considered a
-  static type error.
+The type of an _unsuffixed_ integer literal is determined by type inference.
+If an integer type can be _uniquely_ determined from the surrounding program
+context, the unsuffixed integer literal has that type. If the program context
+underconstrains the type, it defaults to the signed 32-bit integer `i32`; if
+the program context overconstrains the type, it is considered a static type
+error.
 
 Examples of integer literals of various forms:
 
@@ -375,17 +371,12 @@ The suffix forcibly sets the type of the literal. There are two valid
 _floating-point suffixes_, `f32` and `f64` (the 32-bit and 64-bit floating point
 types), which explicitly determine the type of the literal.
 
-The type of an _unsuffixed_ floating-point literal is determined by
-type inference:
-
-* If a floating-point type can be _uniquely_ determined from the
-  surrounding program context, the unsuffixed floating-point literal
-  has that type.
-
-* If the program context underconstrains the type, it defaults to `f64`.
-
-* If the program context overconstrains the type, it is considered a
-  static type error.
+The type of an _unsuffixed_ floating-point literal is determined by type
+inference. If a floating-point type can be _uniquely_ determined from the
+surrounding program context, the unsuffixed floating-point literal has that type.
+If the program context underconstrains the type, it defaults to double-precision `f64`;
+if the program context overconstrains the type, it is considered a static type
+error.
 
 Examples of floating-point literals of various forms:
 
@@ -2972,12 +2963,14 @@ move values (depending on their type) from the environment into the lambda
 expression's captured environment.
 
 In this example, we define a function `ten_times` that takes a higher-order
-function argument, and we then call it with a lambda expression as an argument:
+function argument, and call it with a lambda expression as an argument:
 
 ```
 fn ten_times<F>(f: F) where F: Fn(i32) {
-    for index in 0..10 {
-        f(index);
+    let mut i = 0i32;
+    while i < 10 {
+        f(i);
+        i += 1;
     }
 }
 
@@ -3326,13 +3319,10 @@ An example of a tuple type and its use:
 
 ```
 type Pair<'a> = (i32, &'a str);
-let p: Pair<'static> = (10, "ten");
+let p: Pair<'static> = (10, "hello");
 let (a, b) = p;
-
-assert_eq!(a, 10);
-assert_eq!(b, "ten");
-assert_eq!(p.0, 10);
-assert_eq!(p.1, "ten");
+assert!(b != "world");
+assert!(p.0 == 10);
 ```
 
 For historical reasons and convenience, the tuple type with no elements (`()`)
@@ -3342,32 +3332,27 @@ is often called ‘unit’ or ‘the unit type’.
 
 Rust has two different types for a list of items:
 
-* `[T; N]`, an 'array'
-* `&[T]`, a 'slice'
+* `[T; N]`, an 'array'.
+* `&[T]`, a 'slice'.
 
 An array has a fixed size, and can be allocated on either the stack or the
 heap.
 
 A slice is a 'view' into an array. It doesn't own the data it points
 to, it borrows it.
 
-Examples:
+An example of each kind:
 
 ```{rust}
-// A stack-allocated array
-let array: [i32; 3] = [1, 2, 3];
-
-// A heap-allocated array
-let vector: Vec<i32> = vec![1, 2, 3];
-
-// A slice into an array
-let slice: &[i32] = &vector[..];
+let vec: Vec<i32> = vec![1, 2, 3];
+let arr: [i32; 3] = [1, 2, 3];
+let s: &[i32] = &vec[..];
 ```
 
 As you can see, the `vec!` macro allows you to create a `Vec<T>` easily. The
 `vec!` macro is also part of the standard library, rather than the language.
 
-All in-bounds elements of arrays and slices are always initialized, and access
+All in-bounds elements of arrays, and slices are always initialized, and access
 to an array or slice is always bounds-checked.
 
 ### Structure types
@@ -3501,7 +3486,7 @@ x = bo(5,7);
 
 #### Function types for specific items
 
-Internal to the compiler, there are also function types that are specific to a particular
+Internally to the compiler, there are also function types that are specific to a particular
 function item. In the following snippet, for example, the internal types of the functions
 `foo` and `bar` are different, despite the fact that they have the same signature:
 
@@ -3529,14 +3514,13 @@ more of the closure traits:
 
 * `FnMut`
   : The closure can be called multiple times as mutable. A closure called as
-    `FnMut` can mutate values from its environment. `FnMut` inherits from
-    `FnOnce` (i.e. anything implementing `FnMut` also implements `FnOnce`).
+    `FnMut` can mutate values from its environment. `FnMut` implies
+    `FnOnce`.
 
 * `Fn`
   : The closure can be called multiple times through a shared reference.
     A closure called as `Fn` can neither move out from nor mutate values
-    from its environment. `Fn` inherits from `FnMut`, which itself
-    inherits from `FnOnce`.
+    from its environment. `Fn` implies `FnMut` and `FnOnce`.
 
 
 ### Trait objects
@@ -3659,7 +3643,7 @@ Coercions are defined in [RFC401]. A coercion is implicit and has no syntax.
 ### Coercion sites
 
 A coercion can only occur at certain coercion sites in a program; these are
-typically places where the desired type is explicit or can be derived by
+typically places where the desired type is explicit or can be dervied by
 propagation from explicit types (without type inference). Possible coercion
 sites are:
 

trunk/src/doc/trpl/comments.md

@@ -38,17 +38,6 @@ fn add_one(x: i32) -> i32 {
 }
 ```
 
-There is another style of doc comment, `//!`, to comment containing items (e.g.
-crates, modules or functions), instead of the items following it. Commonly used
-inside crates root (lib.rs) or modules root (mod.rs):
-
-```
-//! # The Rust Standard Library
-//!
-//! The Rust Standard Library provides the essential runtime
-//! functionality for building portable Rust software.
-```
-
 When writing doc comments, providing some examples of usage is very, very
 helpful. You’ll notice we’ve used a new macro here: `assert_eq!`. This compares
 two values, and `panic!`s if they’re not equal to each other. It’s very helpful

trunk/src/doc/trpl/ffi.md

@@ -533,19 +533,10 @@ attribute turns off Rust's name mangling, so that it is easier to link to.
 
 # FFI and panics
 
-It’s important to be mindful of `panic!`s when working with FFI. This code,
-when called from C, will `abort`:
-
-```rust
-#[no_mangle]
-pub extern fn oh_no() -> ! {
-    panic!("Oops!");
-}
-# fn main() {}
-```
-
-If you’re writing code that may panic, you should run it in another thread,
-so that the panic doesn’t bubble up to C:
+It’s important to be mindful of `panic!`s when working with FFI. A `panic!`
+across an FFI boundary is undefined behavior. If you’re writing code that may
+panic, you should run it in another thread, so that the panic doesn’t bubble up
+to C:
 
 ```rust
 use std::thread;

trunk/src/etc/mklldeps.py

@@ -14,9 +14,10 @@
 
 f = open(sys.argv[1], 'wb')
 
-components = sys.argv[2].split() # splits on whitespace
+components = sys.argv[2].split(' ')
+components = [i for i in components if i]  # ignore extra whitespaces
 enable_static = sys.argv[3]
-llvm_config = sys.argv[4]
+llconfig = sys.argv[4]
 
 f.write("""// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
@@ -38,15 +39,15 @@ def run(args):
     out, err = proc.communicate()
 
     if err:
-        print("failed to run llvm_config: args = `{}`".format(args))
+        print("failed to run llconfig: args = `{}`".format(args))
         print(err)
         sys.exit(1)
     return out
 
 f.write("\n")
 
 # LLVM libs
-args = [llvm_config, '--libs', '--system-libs']
+args = [llconfig, '--libs', '--system-libs']
 
 args.extend(components)
 out = run(args)
@@ -68,13 +69,13 @@ def run(args):
     f.write(")]\n")
 
 # LLVM ldflags
-out = run([llvm_config, '--ldflags'])
+out = run([llconfig, '--ldflags'])
 for lib in out.strip().split(' '):
     if lib[:2] == "-l":
         f.write("#[link(name = \"" + lib[2:] + "\")]\n")
 
 # C++ runtime library
-out = run([llvm_config, '--cxxflags'])
+out = run([llconfig, '--cxxflags'])
 if enable_static == '1':
     assert('stdlib=libc++' not in out)
     f.write("#[link(name = \"stdc++\", kind = \"static\")]\n")

trunk/src/libcollections/str.rs

@@ -483,7 +483,9 @@ impl str {
     /// considered to be
     /// boundaries.
     ///
-    /// Returns `false` if `index` is greater than `self.len()`.
+    /// # Panics
+    ///
+    /// Panics if `index` is greater than `self.len()`.
     ///
     /// # Examples
     ///
@@ -1857,6 +1859,8 @@ impl str {
     /// # Examples
     ///
     /// ```
+    /// #![feature(str_casing)]
+    ///
     /// let s = "HELLO";
     /// assert_eq!(s.to_lowercase(), "hello");
     /// ```
@@ -1901,6 +1905,8 @@ impl str {
     /// # Examples
     ///
     /// ```
+    /// #![feature(str_casing)]
+    ///
     /// let s = "hello";
     /// assert_eq!(s.to_uppercase(), "HELLO");
     /// ```

trunk/src/libcollections/vec.rs

@@ -157,6 +157,9 @@ pub struct Vec<T> {
     cap: usize,
 }
 
+unsafe impl<T: Send> Send for Vec<T> { }
+unsafe impl<T: Sync> Sync for Vec<T> { }
+
 ////////////////////////////////////////////////////////////////////////////////
 // Inherent methods
 ////////////////////////////////////////////////////////////////////////////////