rollup merge of rust-lang#20754: nikomatsakis/int-feature

Conflicts:
	src/test/compile-fail/borrowck-move-out-of-overloaded-auto-deref.rs
	src/test/compile-fail/issue-2590.rs
	src/test/compile-fail/lint-stability.rs
	src/test/compile-fail/slice-mut-2.rs
	src/test/compile-fail/std-uncopyable-atomics.rs

src/compiletest/compiletest.rs

@@ -12,6 +12,7 @@
 #![allow(unknown_features)]
 #![feature(slicing_syntax, unboxed_closures)]
 #![feature(box_syntax)]
+#![feature(int_uint)]
 
 #![deny(warnings)]
 

src/liballoc/lib.rs

@@ -68,6 +68,7 @@
 #![allow(unknown_features)]
 #![feature(lang_items, unsafe_destructor)]
 #![feature(box_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 #[macro_use]
 extern crate core;

src/libarena/lib.rs

@@ -32,6 +32,7 @@
 #![feature(unsafe_destructor)]
 #![feature(unboxed_closures)]
 #![feature(box_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![allow(missing_docs)]
 
 extern crate alloc;

src/libcollections/lib.rs

@@ -27,6 +27,7 @@
 #![feature(box_syntax)]
 #![feature(unboxed_closures)]
 #![feature(old_impl_check)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![no_std]
 
 #[macro_use]

src/libcore/lib.rs

@@ -59,9 +59,10 @@
 #![no_std]
 #![allow(unknown_features, raw_pointer_derive)]
 #![cfg_attr(stage0, allow(unused_attributes))]
-#![feature(intrinsics, lang_items)]
+#![allow(unknown_features)] #![feature(intrinsics, lang_items)]
 #![feature(simd, unsafe_destructor, slicing_syntax)]
 #![feature(unboxed_closures)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![deny(missing_docs)]
 
 #[macro_use]

src/libcore/macros.rs

@@ -15,15 +15,15 @@ macro_rules! panic {
         panic!("explicit panic")
     );
     ($msg:expr) => ({
-        static _MSG_FILE_LINE: (&'static str, &'static str, uint) = ($msg, file!(), line!());
+        static _MSG_FILE_LINE: (&'static str, &'static str, usize) = ($msg, file!(), line!());
         ::core::panicking::panic(&_MSG_FILE_LINE)
     });
     ($fmt:expr, $($arg:tt)*) => ({
         // The leading _'s are to avoid dead code warnings if this is
         // used inside a dead function. Just `#[allow(dead_code)]` is
         // insufficient, since the user may have
         // `#[forbid(dead_code)]` and which cannot be overridden.
-        static _FILE_LINE: (&'static str, uint) = (file!(), line!());
+        static _FILE_LINE: (&'static str, usize) = (file!(), line!());
         ::core::panicking::panic_fmt(format_args!($fmt, $($arg)*), &_FILE_LINE)
     });
 }

src/libcoretest/lib.rs

@@ -11,6 +11,7 @@
 #![feature(unsafe_destructor, slicing_syntax)]
 #![feature(unboxed_closures)]
 #![feature(box_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 extern crate core;
 extern crate test;

src/libflate/lib.rs

@@ -17,6 +17,7 @@
 #![crate_name = "flate"]
 #![unstable]
 #![staged_api]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![crate_type = "rlib"]
 #![crate_type = "dylib"]
 #![doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",

src/libfmt_macros/lib.rs

@@ -25,6 +25,7 @@
        html_playground_url = "http://play.rust-lang.org/")]
 
 #![feature(slicing_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 pub use self::Piece::*;
 pub use self::Position::*;

src/libgetopts/lib.rs

@@ -87,6 +87,7 @@
        html_root_url = "http://doc.rust-lang.org/nightly/",
        html_playground_url = "http://play.rust-lang.org/")]
 #![feature(slicing_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![deny(missing_docs)]
 
 #[cfg(test)] #[macro_use] extern crate log;

src/libgraphviz/lib.rs

@@ -273,6 +273,7 @@
        html_favicon_url = "http://www.rust-lang.org/favicon.ico",
        html_root_url = "http://doc.rust-lang.org/nightly/")]
 #![feature(slicing_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 use self::LabelText::*;
 

src/liblibc/lib.rs

@@ -12,6 +12,7 @@
 #![crate_type = "rlib"]
 #![cfg_attr(not(feature = "cargo-build"), unstable)]
 #![cfg_attr(not(feature = "cargo-build"), staged_api)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![no_std]
 #![doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
        html_favicon_url = "http://www.rust-lang.org/favicon.ico",

src/liblog/lib.rs

@@ -168,6 +168,7 @@
 #![allow(unknown_features)]
 #![feature(slicing_syntax)]
 #![feature(box_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![deny(missing_docs)]
 
 extern crate regex;

src/librand/lib.rs

@@ -22,7 +22,7 @@
        html_favicon_url = "http://www.rust-lang.org/favicon.ico",
        html_root_url = "http://doc.rust-lang.org/nightly/",
        html_playground_url = "http://play.rust-lang.org/")]
-
+#![allow(unknown_features)] #![feature(int_uint)]
 #![no_std]
 #![unstable]
 #![staged_api]

src/librbml/lib.rs

@@ -26,6 +26,7 @@
        html_playground_url = "http://play.rust-lang.org/")]
 #![allow(unknown_features)]
 #![feature(slicing_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 extern crate serialize;
 #[macro_use] extern crate log;

src/libregex/lib.rs

@@ -26,6 +26,7 @@
 #![allow(unknown_features)]
 #![feature(slicing_syntax)]
 #![feature(box_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![deny(missing_docs)]
 
 #[cfg(test)]

src/librustc/lib.rs

@@ -27,6 +27,7 @@
 #![feature(quote)]
 #![feature(slicing_syntax, unsafe_destructor)]
 #![feature(box_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(old_impl_check)]
 

src/librustc/lint/builtin.rs

@@ -216,7 +216,7 @@ impl LintPass for TypeLimits {
                         match lit.node {
                             ast::LitInt(v, ast::SignedIntLit(_, ast::Plus)) |
                             ast::LitInt(v, ast::UnsuffixedIntLit(ast::Plus)) => {
-                                let int_type = if t == ast::TyIs {
+                                let int_type = if let ast::TyIs(_) = t {
                                     cx.sess().target.int_type
                                 } else { t };
                                 let (min, max) = int_ty_range(int_type);
@@ -233,7 +233,7 @@ impl LintPass for TypeLimits {
                         };
                     },
                     ty::ty_uint(t) => {
-                        let uint_type = if t == ast::TyUs {
+                        let uint_type = if let ast::TyUs(_) = t {
                             cx.sess().target.uint_type
                         } else { t };
                         let (min, max) = uint_ty_range(uint_type);
@@ -296,7 +296,7 @@ impl LintPass for TypeLimits {
         // warnings are consistent between 32- and 64-bit platforms
         fn int_ty_range(int_ty: ast::IntTy) -> (i64, i64) {
             match int_ty {
-                ast::TyIs=>    (i64::MIN,        i64::MAX),
+                ast::TyIs(_) =>    (i64::MIN,        i64::MAX),
                 ast::TyI8 =>   (i8::MIN  as i64, i8::MAX  as i64),
                 ast::TyI16 =>  (i16::MIN as i64, i16::MAX as i64),
                 ast::TyI32 =>  (i32::MIN as i64, i32::MAX as i64),
@@ -306,7 +306,7 @@ impl LintPass for TypeLimits {
 
         fn uint_ty_range(uint_ty: ast::UintTy) -> (u64, u64) {
             match uint_ty {
-                ast::TyUs=>   (u64::MIN,         u64::MAX),
+                ast::TyUs(_) =>   (u64::MIN,         u64::MAX),
                 ast::TyU8 =>  (u8::MIN   as u64, u8::MAX   as u64),
                 ast::TyU16 => (u16::MIN  as u64, u16::MAX  as u64),
                 ast::TyU32 => (u32::MIN  as u64, u32::MAX  as u64),
@@ -323,7 +323,7 @@ impl LintPass for TypeLimits {
 
         fn int_ty_bits(int_ty: ast::IntTy, target_int_ty: ast::IntTy) -> u64 {
             match int_ty {
-                ast::TyIs=>    int_ty_bits(target_int_ty, target_int_ty),
+                ast::TyIs(_) =>    int_ty_bits(target_int_ty, target_int_ty),
                 ast::TyI8 =>   i8::BITS  as u64,
                 ast::TyI16 =>  i16::BITS as u64,
                 ast::TyI32 =>  i32::BITS as u64,
@@ -333,7 +333,7 @@ impl LintPass for TypeLimits {
 
         fn uint_ty_bits(uint_ty: ast::UintTy, target_uint_ty: ast::UintTy) -> u64 {
             match uint_ty {
-                ast::TyUs=>    uint_ty_bits(target_uint_ty, target_uint_ty),
+                ast::TyUs(_) =>    uint_ty_bits(target_uint_ty, target_uint_ty),
                 ast::TyU8 =>   u8::BITS  as u64,
                 ast::TyU16 =>  u16::BITS as u64,
                 ast::TyU32 =>  u32::BITS as u64,
@@ -404,12 +404,12 @@ struct ImproperCTypesVisitor<'a, 'tcx: 'a> {
 impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> {
     fn check_def(&mut self, sp: Span, ty_id: ast::NodeId, path_id: ast::NodeId) {
         match self.cx.tcx.def_map.borrow()[path_id].clone() {
-            def::DefPrimTy(ast::TyInt(ast::TyIs)) => {
+            def::DefPrimTy(ast::TyInt(ast::TyIs(_))) => {
                 self.cx.span_lint(IMPROPER_CTYPES, sp,
                                   "found rust type `isize` in foreign module, while \
                                    libc::c_int or libc::c_long should be used");
             }
-            def::DefPrimTy(ast::TyUint(ast::TyUs)) => {
+            def::DefPrimTy(ast::TyUint(ast::TyUs(_))) => {
                 self.cx.span_lint(IMPROPER_CTYPES, sp,
                                   "found rust type `usize` in foreign module, while \
                                    libc::c_uint or libc::c_ulong should be used");

src/librustc/metadata/tyencode.rs

@@ -61,7 +61,7 @@ pub fn enc_ty<'a, 'tcx>(w: &mut SeekableMemWriter, cx: &ctxt<'a, 'tcx>, t: Ty<'t
         ty::ty_char => mywrite!(w, "c"),
         ty::ty_int(t) => {
             match t {
-                ast::TyIs => mywrite!(w, "is"),
+                ast::TyIs(_) => mywrite!(w, "is"),
                 ast::TyI8 => mywrite!(w, "MB"),
                 ast::TyI16 => mywrite!(w, "MW"),
                 ast::TyI32 => mywrite!(w, "ML"),
@@ -70,7 +70,7 @@ pub fn enc_ty<'a, 'tcx>(w: &mut SeekableMemWriter, cx: &ctxt<'a, 'tcx>, t: Ty<'t
         }
         ty::ty_uint(t) => {
             match t {
-                ast::TyUs => mywrite!(w, "us"),
+                ast::TyUs(_) => mywrite!(w, "us"),
                 ast::TyU8 => mywrite!(w, "Mb"),
                 ast::TyU16 => mywrite!(w, "Mw"),
                 ast::TyU32 => mywrite!(w, "Ml"),

src/librustc/middle/const_eval.rs

@@ -528,12 +528,12 @@ pub fn eval_const_expr_partial(tcx: &ty::ctxt, e: &Expr) -> Result<const_val, St
 
         eval_const_expr_partial(tcx, &**base)
             .and_then(|val| define_casts!(val, {
-                ty::ty_int(ast::TyIs) => (int, const_int, i64),
+                ty::ty_int(ast::TyIs(_)) => (int, const_int, i64),
                 ty::ty_int(ast::TyI8) => (i8, const_int, i64),
                 ty::ty_int(ast::TyI16) => (i16, const_int, i64),
                 ty::ty_int(ast::TyI32) => (i32, const_int, i64),
                 ty::ty_int(ast::TyI64) => (i64, const_int, i64),
-                ty::ty_uint(ast::TyUs) => (uint, const_uint, u64),
+                ty::ty_uint(ast::TyUs(_)) => (uint, const_uint, u64),
                 ty::ty_uint(ast::TyU8) => (u8, const_uint, u64),
                 ty::ty_uint(ast::TyU16) => (u16, const_uint, u64),
                 ty::ty_uint(ast::TyU32) => (u32, const_uint, u64),

src/librustc/middle/ty.rs

@@ -2341,12 +2341,12 @@ impl<'tcx> CommonTypes<'tcx> {
             bool: intern_ty(arena, interner, ty_bool),
             char: intern_ty(arena, interner, ty_char),
             err: intern_ty(arena, interner, ty_err),
-            int: intern_ty(arena, interner, ty_int(ast::TyIs)),
+            int: intern_ty(arena, interner, ty_int(ast::TyIs(false))),
             i8: intern_ty(arena, interner, ty_int(ast::TyI8)),
             i16: intern_ty(arena, interner, ty_int(ast::TyI16)),
             i32: intern_ty(arena, interner, ty_int(ast::TyI32)),
             i64: intern_ty(arena, interner, ty_int(ast::TyI64)),
-            uint: intern_ty(arena, interner, ty_uint(ast::TyUs)),
+            uint: intern_ty(arena, interner, ty_uint(ast::TyUs(false))),
             u8: intern_ty(arena, interner, ty_uint(ast::TyU8)),
             u16: intern_ty(arena, interner, ty_uint(ast::TyU16)),
             u32: intern_ty(arena, interner, ty_uint(ast::TyU32)),
@@ -2692,7 +2692,7 @@ impl FlagComputation {
 
 pub fn mk_mach_int<'tcx>(tcx: &ctxt<'tcx>, tm: ast::IntTy) -> Ty<'tcx> {
     match tm {
-        ast::TyIs   => tcx.types.int,
+        ast::TyIs(_)   => tcx.types.int,
         ast::TyI8   => tcx.types.i8,
         ast::TyI16  => tcx.types.i16,
         ast::TyI32  => tcx.types.i32,
@@ -2702,7 +2702,7 @@ pub fn mk_mach_int<'tcx>(tcx: &ctxt<'tcx>, tm: ast::IntTy) -> Ty<'tcx> {
 
 pub fn mk_mach_uint<'tcx>(tcx: &ctxt<'tcx>, tm: ast::UintTy) -> Ty<'tcx> {
     match tm {
-        ast::TyUs   => tcx.types.uint,
+        ast::TyUs(_)   => tcx.types.uint,
         ast::TyU8   => tcx.types.u8,
         ast::TyU16  => tcx.types.u16,
         ast::TyU32  => tcx.types.u32,
@@ -3363,7 +3363,7 @@ pub fn type_contents<'tcx>(cx: &ctxt<'tcx>, ty: Ty<'tcx>) -> TypeContents {
 
         let result = match ty.sty {
             // uint and int are ffi-unsafe
-            ty_uint(ast::TyUs) | ty_int(ast::TyIs) => {
+            ty_uint(ast::TyUs(_)) | ty_int(ast::TyIs(_)) => {
                 TC::ReachesFfiUnsafe
             }
 
@@ -3937,7 +3937,7 @@ pub fn type_is_fresh(ty: Ty) -> bool {
 
 pub fn type_is_uint(ty: Ty) -> bool {
     match ty.sty {
-      ty_infer(IntVar(_)) | ty_uint(ast::TyUs) => true,
+      ty_infer(IntVar(_)) | ty_uint(ast::TyUs(_)) => true,
       _ => false
     }
 }
@@ -3983,7 +3983,7 @@ pub fn type_is_signed(ty: Ty) -> bool {
 
 pub fn type_is_machine(ty: Ty) -> bool {
     match ty.sty {
-        ty_int(ast::TyIs) | ty_uint(ast::TyUs) => false,
+        ty_int(ast::TyIs(_)) | ty_uint(ast::TyUs(_)) => false,
         ty_int(..) | ty_uint(..) | ty_float(..) => true,
         _ => false
     }

src/librustc_back/lib.rs

@@ -31,6 +31,7 @@
       html_root_url = "http://doc.rust-lang.org/nightly/")]
 #![allow(unknown_features)]
 #![feature(slicing_syntax, box_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 extern crate syntax;
 extern crate serialize;

src/librustc_borrowck/lib.rs

@@ -21,6 +21,7 @@
 #![feature(quote)]
 #![feature(slicing_syntax, unsafe_destructor)]
 #![feature(rustc_diagnostic_macros)]
+#![allow(unknown_features)] #![feature(int_uint)]
 #![allow(non_camel_case_types)]
 
 #[macro_use] extern crate log;

src/librustc_driver/lib.rs

@@ -28,6 +28,7 @@
 #![feature(slicing_syntax, unsafe_destructor)]
 #![feature(box_syntax)]
 #![feature(rustc_diagnostic_macros)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 extern crate arena;
 extern crate flate;

src/librustc_llvm/lib.rs

@@ -25,6 +25,7 @@
 #![allow(unknown_features)]
 #![feature(link_args)]
 #![feature(box_syntax)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 extern crate libc;
 

src/librustc_resolve/lib.rs

@@ -19,6 +19,7 @@
 
 #![feature(slicing_syntax)]
 #![feature(rustc_diagnostic_macros)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 #[macro_use] extern crate log;
 #[macro_use] extern crate syntax;
@@ -819,15 +820,15 @@ impl PrimitiveTypeTable {
         table.intern("char",    TyChar);
         table.intern("f32",     TyFloat(TyF32));
         table.intern("f64",     TyFloat(TyF64));
-        table.intern("int",     TyInt(TyIs));
-        table.intern("isize",   TyInt(TyIs));
+        table.intern("int",     TyInt(TyIs(true)));
+        table.intern("isize",   TyInt(TyIs(false)));
         table.intern("i8",      TyInt(TyI8));
         table.intern("i16",     TyInt(TyI16));
         table.intern("i32",     TyInt(TyI32));
         table.intern("i64",     TyInt(TyI64));
         table.intern("str",     TyStr);
-        table.intern("uint",    TyUint(TyUs));
-        table.intern("usize",   TyUint(TyUs));
+        table.intern("uint",    TyUint(TyUs(true)));
+        table.intern("usize",   TyUint(TyUs(false)));
         table.intern("u8",      TyUint(TyU8));
         table.intern("u16",     TyUint(TyU16));
         table.intern("u32",     TyUint(TyU32));

src/librustc_trans/lib.rs

@@ -28,6 +28,7 @@
 #![feature(slicing_syntax, unsafe_destructor)]
 #![feature(box_syntax)]
 #![feature(rustc_diagnostic_macros)]
+#![allow(unknown_features)] #![feature(int_uint)]
 
 extern crate arena;
 extern crate flate;

src/librustc_trans/trans/base.rs

@@ -917,8 +917,8 @@ pub fn fail_if_zero_or_overflows<'blk, 'tcx>(
             ty::ty_int(t) => {
                 let llty = Type::int_from_ty(cx.ccx(), t);
                 let min = match t {
-                    ast::TyIs if llty == Type::i32(cx.ccx()) => i32::MIN as u64,
-                    ast::TyIs => i64::MIN as u64,
+                    ast::TyIs(_) if llty == Type::i32(cx.ccx()) => i32::MIN as u64,
+                    ast::TyIs(_) => i64::MIN as u64,
                     ast::TyI8 => i8::MIN as u64,
                     ast::TyI16 => i16::MIN as u64,
                     ast::TyI32 => i32::MIN as u64,