---

yaml
---
r: 234245
b: refs/heads/beta
c: 3887ca2
h: refs/heads/master
i:
  234243: 361ab3c
v: v3

Author: bors

[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: 2eafd19dfadd035214ae7b17a91436650730a28e
+refs/heads/beta: 3887ca27f16771b960b57e1c80997b2482ba5b76
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: 370fe2786109360f7c35b8ba552b83b773dd71d6
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/libcore/clone.rs

@@ -86,45 +86,3 @@ clone_impl! { f64 }
 clone_impl! { () }
 clone_impl! { bool }
 clone_impl! { char }
-
-macro_rules! extern_fn_clone {
-    ($($A:ident),*) => (
-        #[stable(feature = "rust1", since = "1.0.0")]
-        impl<$($A,)* ReturnType> Clone for extern "Rust" fn($($A),*) -> ReturnType {
-            /// Returns a copy of a function pointer.
-            #[inline]
-            fn clone(&self) -> extern "Rust" fn($($A),*) -> ReturnType { *self }
-        }
-
-        #[stable(feature = "rust1", since = "1.0.0")]
-        impl<$($A,)* ReturnType> Clone for extern "C" fn($($A),*) -> ReturnType {
-            /// Returns a copy of a function pointer.
-            #[inline]
-            fn clone(&self) -> extern "C" fn($($A),*) -> ReturnType { *self }
-        }
-
-        #[stable(feature = "rust1", since = "1.0.0")]
-        impl<$($A,)* ReturnType> Clone for unsafe extern "Rust" fn($($A),*) -> ReturnType {
-            /// Returns a copy of a function pointer.
-            #[inline]
-            fn clone(&self) -> unsafe extern "Rust" fn($($A),*) -> ReturnType { *self }
-        }
-
-        #[stable(feature = "rust1", since = "1.0.0")]
-        impl<$($A,)* ReturnType> Clone for unsafe extern "C" fn($($A),*) -> ReturnType {
-            /// Returns a copy of a function pointer.
-            #[inline]
-            fn clone(&self) -> unsafe extern "C" fn($($A),*) -> ReturnType { *self }
-        }
-    )
-}
-
-extern_fn_clone! {}
-extern_fn_clone! { A }
-extern_fn_clone! { A, B }
-extern_fn_clone! { A, B, C }
-extern_fn_clone! { A, B, C, D }
-extern_fn_clone! { A, B, C, D, E }
-extern_fn_clone! { A, B, C, D, E, F }
-extern_fn_clone! { A, B, C, D, E, F, G }
-extern_fn_clone! { A, B, C, D, E, F, G, H }

branches/beta/src/libcore/num/mod.rs

@@ -537,25 +537,21 @@ macro_rules! int_impl {
             let mut base = self;
             let mut acc = Self::one();
 
-            let mut prev_base = self;
-            let mut base_oflo = false;
-            while exp > 0 {
+            while exp > 1 {
                 if (exp & 1) == 1 {
-                    if base_oflo {
-                        // ensure overflow occurs in the same manner it
-                        // would have otherwise (i.e. signal any exception
-                        // it would have otherwise).
-                        acc = acc * (prev_base * prev_base);
-                    } else {
-                        acc = acc * base;
-                    }
+                    acc = acc * base;
                 }
-                prev_base = base;
-                let (new_base, new_base_oflo) = base.overflowing_mul(base);
-                base = new_base;
-                base_oflo = new_base_oflo;
                 exp /= 2;
+                base = base * base;
+            }
+
+            // Deal with the final bit of the exponent separately, since
+            // squaring the base afterwards is not necessary and may cause a
+            // needless overflow.
+            if exp == 1 {
+                acc = acc * base;
             }
+
             acc
         }
 

branches/beta/src/libcore/ptr.rs

@@ -20,6 +20,7 @@ use clone::Clone;
 use intrinsics;
 use ops::Deref;
 use fmt;
+use hash;
 use option::Option::{self, Some, None};
 use marker::{PhantomData, Send, Sized, Sync};
 use mem;
@@ -308,40 +309,83 @@ impl<T: ?Sized> Clone for *mut T {
     }
 }
 
-// Equality for extern "C" fn pointers
-mod externfnpointers {
-    use cmp::PartialEq;
+// Impls for function pointers
+macro_rules! fnptr_impls_safety_abi {
+    ($FnTy: ty, $($Arg: ident),*) => {
+        #[stable(feature = "rust1", since = "1.0.0")]
+        impl<Ret, $($Arg),*> Clone for $FnTy {
+            #[inline]
+            fn clone(&self) -> Self {
+                *self
+            }
+        }
 
-    #[stable(feature = "rust1", since = "1.0.0")]
-    impl<_R> PartialEq for extern "C" fn() -> _R {
-        #[inline]
-        fn eq(&self, other: &extern "C" fn() -> _R) -> bool {
-            let self_ = *self as usize;
-            let other_ = *other as usize;
-            self_ == other_
+        #[stable(feature = "fnptr_impls", since = "1.4.0")]
+        impl<Ret, $($Arg),*> PartialEq for $FnTy {
+            #[inline]
+            fn eq(&self, other: &Self) -> bool {
+                *self as usize == *other as usize
+            }
         }
-    }
-    macro_rules! fnptreq {
-        ($($p:ident),*) => {
-            #[stable(feature = "rust1", since = "1.0.0")]
-            impl<_R,$($p),*> PartialEq for extern "C" fn($($p),*) -> _R {
-                #[inline]
-                fn eq(&self, other: &extern "C" fn($($p),*) -> _R) -> bool {
-                    let self_ = *self as usize;
-
-                    let other_ = *other as usize;
-                    self_ == other_
-                }
+
+        #[stable(feature = "fnptr_impls", since = "1.4.0")]
+        impl<Ret, $($Arg),*> Eq for $FnTy {}
+
+        #[stable(feature = "fnptr_impls", since = "1.4.0")]
+        impl<Ret, $($Arg),*> PartialOrd for $FnTy {
+            #[inline]
+            fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+                (*self as usize).partial_cmp(&(*other as usize))
+            }
+        }
+
+        #[stable(feature = "fnptr_impls", since = "1.4.0")]
+        impl<Ret, $($Arg),*> Ord for $FnTy {
+            #[inline]
+            fn cmp(&self, other: &Self) -> Ordering {
+                (*self as usize).cmp(&(*other as usize))
+            }
+        }
+
+        #[stable(feature = "fnptr_impls", since = "1.4.0")]
+        impl<Ret, $($Arg),*> hash::Hash for $FnTy {
+            fn hash<HH: hash::Hasher>(&self, state: &mut HH) {
+                state.write_usize(*self as usize)
+            }
+        }
+
+        #[stable(feature = "fnptr_impls", since = "1.4.0")]
+        impl<Ret, $($Arg),*> fmt::Pointer for $FnTy {
+            fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+                fmt::Pointer::fmt(&(*self as *const ()), f)
+            }
+        }
+
+        #[stable(feature = "fnptr_impls", since = "1.4.0")]
+        impl<Ret, $($Arg),*> fmt::Debug for $FnTy {
+            fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+                fmt::Pointer::fmt(&(*self as *const ()), f)
             }
         }
     }
-    fnptreq! { A }
-    fnptreq! { A,B }
-    fnptreq! { A,B,C }
-    fnptreq! { A,B,C,D }
-    fnptreq! { A,B,C,D,E }
 }
 
+macro_rules! fnptr_impls_args {
+    ($($Arg: ident),*) => {
+        fnptr_impls_safety_abi! { extern "Rust" fn($($Arg),*) -> Ret, $($Arg),* }
+        fnptr_impls_safety_abi! { extern "C" fn($($Arg),*) -> Ret, $($Arg),* }
+        fnptr_impls_safety_abi! { unsafe extern "Rust" fn($($Arg),*) -> Ret, $($Arg),* }
+        fnptr_impls_safety_abi! { unsafe extern "C" fn($($Arg),*) -> Ret, $($Arg),* }
+    }
+}
+
+fnptr_impls_args! { }
+fnptr_impls_args! { A }
+fnptr_impls_args! { A, B }
+fnptr_impls_args! { A, B, C }
+fnptr_impls_args! { A, B, C, D }
+fnptr_impls_args! { A, B, C, D, E }
+
 // Comparison for pointers
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized> Ord for *const T {

branches/beta/src/librustc/lib.rs

@@ -107,7 +107,6 @@ pub mod front {
 pub mod middle {
     pub mod astconv_util;
     pub mod astencode;
-    pub mod cast;
     pub mod cfg;
     pub mod check_const;
     pub mod check_static_recursion;
@@ -124,15 +123,13 @@ pub mod middle {
     pub mod effect;
     pub mod entry;
     pub mod expr_use_visitor;
-    pub mod fast_reject;
     pub mod free_region;
     pub mod intrinsicck;
     pub mod infer;
     pub mod implicator;
     pub mod lang_items;
     pub mod liveness;
     pub mod mem_categorization;
-    pub mod outlives;
     pub mod pat_util;
     pub mod privacy;
     pub mod reachable;
@@ -143,11 +140,6 @@ pub mod middle {
     pub mod subst;
     pub mod traits;
     pub mod ty;
-    pub mod ty_fold;
-    pub mod ty_match;
-    pub mod ty_relate;
-    pub mod ty_walk;
-    pub mod wf;
     pub mod weak_lang_items;
 }
 

branches/beta/src/librustc/metadata/csearch.rs

@@ -247,9 +247,11 @@ pub fn get_impl_polarity<'tcx>(tcx: &ty::ctxt<'tcx>,
     decoder::get_impl_polarity(&*cdata, def.node)
 }
 
-pub fn get_custom_coerce_unsized_kind<'tcx>(tcx: &ty::ctxt<'tcx>,
-                                            def: DefId)
-                                            -> Option<ty::CustomCoerceUnsized> {
+pub fn get_custom_coerce_unsized_kind<'tcx>(
+    tcx: &ty::ctxt<'tcx>,
+    def: DefId)
+    -> Option<ty::adjustment::CustomCoerceUnsized>
+{
     let cstore = &tcx.sess.cstore;
     let cdata = cstore.get_crate_data(def.krate);
     decoder::get_custom_coerce_unsized_kind(&*cdata, def.node)

branches/beta/src/librustc/metadata/decoder.rs

@@ -540,9 +540,11 @@ pub fn get_impl_polarity<'tcx>(cdata: Cmd,
     }
 }
 
-pub fn get_custom_coerce_unsized_kind<'tcx>(cdata: Cmd,
-                                            id: ast::NodeId)
-                                            -> Option<ty::CustomCoerceUnsized> {
+pub fn get_custom_coerce_unsized_kind<'tcx>(
+    cdata: Cmd,
+    id: ast::NodeId)
+    -> Option<ty::adjustment::CustomCoerceUnsized>
+{
     let item_doc = cdata.lookup_item(id);
     reader::maybe_get_doc(item_doc, tag_impl_coerce_unsized_kind).map(|kind_doc| {
         let mut decoder = reader::Decoder::new(kind_doc);