---

yaml
---
r: 214469
b: refs/heads/beta
c: e70c858
h: refs/heads/master
i:
  214467: b208ff2
v: v3

Author: carols10cents

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: 252027768eac85cfd98427ba2cbf1d51bfc77d53
+refs/heads/beta: e70c8584d562c86fdca9c98895fb981683d18859
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: 8c0aa6d64ebab528f7eb182812007155d6044972
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/doc/trpl/closures.md

@@ -54,9 +54,9 @@ The second is that the syntax is similar, but a bit different. I’ve added spac
 here to make them look a little closer:
 
 ```rust
-fn  plus_one_v1   (x: i32) -> i32 { x + 1 }
-let plus_one_v2 = |x: i32| -> i32 { x + 1 };
-let plus_one_v3 = |x: i32|          x + 1  ;
+fn  plus_one_v1   (x: i32 ) -> i32 { x + 1 }
+let plus_one_v2 = |x: i32 | -> i32 { x + 1 };
+let plus_one_v3 = |x: i32 |          x + 1  ;
 ```
 
 Small differences, but they’re similar in ways.
@@ -136,7 +136,7 @@ This gives us:
 note: `nums` moved into closure environment here because it has type
   `[closure(()) -> collections::vec::Vec<i32>]`, which is non-copyable
 let takes_nums = || nums;
-                 ^~~~~~~
+                    ^~~~~~~
 ```
 
 `Vec<T>` has ownership over its contents, and therefore, when we refer to it
@@ -352,8 +352,8 @@ error: the trait `core::marker::Sized` is not implemented for the type
 factory() -> (Fn(i32) -> Vec<i32>) {
              ^~~~~~~~~~~~~~~~~~~~~
 note: `core::ops::Fn(i32) -> collections::vec::Vec<i32>` does not have a constant size known at compile-time
-factory() -> (Fn(i32) -> Vec<i32>) {
-             ^~~~~~~~~~~~~~~~~~~~~
+fa ctory() -> (Fn(i32) -> Vec<i32>) {
+              ^~~~~~~~~~~~~~~~~~~~~
 
 ```
 

branches/beta/src/doc/trpl/references-and-borrowing.md

@@ -297,7 +297,7 @@ We can’t modify `v` because it’s borrowed by the loop.
 References must live as long as the resource they refer to. Rust will check the
 scopes of your references to ensure that this is true.
 
-If Rust didn’t check this property, we could accidentally use a reference
+If Rust didn’t check that this property, we could accidentally use a reference
 which was invalid. For example:
 
 ```rust,ignore

branches/beta/src/grammar/verify.rs

@@ -111,7 +111,7 @@ fn parse_token_list(file: &str) -> HashMap<String, token::Token> {
             "LIT_BINARY_RAW"    => token::Literal(token::BinaryRaw(Name(0), 0), None),
             "QUESTION"          => token::Question,
             "SHEBANG"           => token::Shebang(Name(0)),
-            _                   => panic!("Bad token str `{}`", val),
+            _                   => continue,
         };
 
         res.insert(num.to_string(), tok);

branches/beta/src/librustc/middle/const_eval.rs

@@ -1,4 +1,4 @@
-// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -34,7 +34,7 @@ use std::borrow::{Cow, IntoCow};
 use std::num::wrapping::OverflowingOps;
 use std::cmp::Ordering;
 use std::collections::hash_map::Entry::Vacant;
-use std::{i8, i16, i32, i64, u8, u16, u32, u64};
+use std::{i8, i16, i32, i64};
 use std::rc::Rc;
 
 fn lookup_const<'a>(tcx: &'a ty::ctxt, e: &Expr) -> Option<&'a Expr> {
@@ -461,16 +461,6 @@ pub fn const_uint_checked_neg<'a>(
     Ok(const_uint((!a).wrapping_add(1)))
 }
 
-fn const_uint_not(a: u64, opt_ety: Option<UintTy>) -> const_val {
-    let mask = match opt_ety {
-        Some(UintTy::U8) => u8::MAX as u64,
-        Some(UintTy::U16) => u16::MAX as u64,
-        Some(UintTy::U32) => u32::MAX as u64,
-        None | Some(UintTy::U64) => u64::MAX,
-    };
-    const_uint(!a & mask)
-}
-
 macro_rules! overflow_checking_body {
     ($a:ident, $b:ident, $ety:ident, $overflowing_op:ident,
      lhs: $to_8_lhs:ident $to_16_lhs:ident $to_32_lhs:ident,
@@ -687,7 +677,7 @@ pub fn eval_const_expr_partial<'tcx>(tcx: &ty::ctxt<'tcx>,
       ast::ExprUnary(ast::UnNot, ref inner) => {
         match try!(eval_const_expr_partial(tcx, &**inner, ety)) {
           const_int(i) => const_int(!i),
-          const_uint(i) => const_uint_not(i, expr_uint_type),
+          const_uint(i) => const_uint(!i),
           const_bool(b) => const_bool(!b),
           const_str(_) => signal!(e, NotOnString),
           const_float(_) => signal!(e, NotOnFloat),

branches/beta/src/librustc_typeck/check/mod.rs

@@ -3153,10 +3153,26 @@ fn check_expr_with_unifier<'a, 'tcx, F>(fcx: &FnCtxt<'a, 'tcx>,
                                                            Some(&**oprnd), oprnd_t, lvalue_pref) {
                             Some(mt) => mt.ty,
                             None => {
-                                fcx.type_error_message(expr.span, |actual| {
-                                    format!("type `{}` cannot be \
-                                            dereferenced", actual)
-                                }, oprnd_t, None);
+                                let is_newtype = match oprnd_t.sty {
+                                    ty::ty_struct(did, substs) => {
+                                        let fields = ty::struct_fields(fcx.tcx(), did, substs);
+                                        fields.len() == 1
+                                        && fields[0].name ==
+                                        token::special_idents::unnamed_field.name
+                                    }
+                                    _ => false
+                                };
+                                if is_newtype {
+                                    // This is an obsolete struct deref
+                                    span_err!(tcx.sess, expr.span, E0068,
+                                        "single-field tuple-structs can \
+                                         no longer be dereferenced");
+                                } else {
+                                    fcx.type_error_message(expr.span, |actual| {
+                                        format!("type `{}` cannot be \
+                                                dereferenced", actual)
+                                    }, oprnd_t, None);
+                                }
                                 tcx.types.err
                             }
                         }

branches/beta/src/libsyntax/feature_gate.rs

@@ -258,6 +258,7 @@ pub const KNOWN_ATTRIBUTES: &'static [(&'static str, AttributeType)] = &[
     ("no_builtins", Whitelisted),
     ("no_mangle", Whitelisted),
     ("no_stack_check", Whitelisted),
+    ("packed", Whitelisted),
     ("static_assert", Gated("static_assert",
                             "`#[static_assert]` is an experimental feature, and has a poor API")),
     ("no_debug", Whitelisted),