Add release notes for 1.13.0

2016-11-04 15:59:30 -07:00 · 2016-11-04 15:59:30 -07:00 · 0f817a0dd9
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+Version 1.13.0 (2016-11-10)
+===========================
+
+Language
+--------
+
+* [Stabilize the `?` operator][36995]. `?` is a simple way to propagate
+  errors, like the `try!` macro, described in [RFC 0243].
+* [Stabilize macros in type position][36014]. Described in [RFC 873].
+* [Stabilize attributes on statements][36995]. Described in [RFC 0016].
+* [Fix `#[derive]` for empty tuple structs/variants][35728]
+* [Fix lifetime rules for 'if' conditions][36029]
+* [Avoid loading and parsing unconfigured non-inline modules][36482]
+
+Compiler
+--------
+
+* [Add the `-C link-arg` argument][36574]
+* [Remove the old AST-based backend from rustc_trans][35764]
+* [Don't enable NEON by default on armv7 Linux][35814]
+* [Fix debug line number info for macro expansions][35238]
+* [Do not emit "class method" debuginfo for types that are not
+  DICompositeType][36008]
+* [Warn about multiple conflicting #[repr] hints][34623]
+* [When sizing DST, don't double-count nested struct prefixes][36351]
+* [Default RUST_MIN_STACK to 16MiB for now][36505]
+* [Improve rlib metadata format][36551]. Reduces rlib size significantly.
+* [Reject macros with empty repetitions to avoid infinite loop][36721]
+* [Expand macros without recursing to avoid stack overflows][36214]
+
+Diagnostics
+-----------
+
+* [Replace macro backtraces with labeled local uses][35702]
+* [Improve error message for missplaced doc comments][33922]
+* [Buffer unix and lock windows to prevent message interleaving][35975]
+* [Update lifetime errors to specifically note temporaries][36171]
+* [Special case a few colors for Windows][36178]
+* [Suggest `use self` when such an import resolves][36289]
+* [Be more specific when type parameter shadows primitive type][36338]
+* Many minor improvements
+
+Compile-time Optimizations
+--------------------------
+
+* [Compute and cache HIR hashes at beginning][35854]
+* [Don't hash types in loan paths][36004]
+* [Cache projections in trans][35761]
+* [Optimize the parser's last token handling][36527]
+* [Only instantiate #[inline] functions in codegen units referencing
+  them][36524]. This leads to big improvements in cases where crates export
+  define many inline functions without using them directly.
+* [Lazily allocate TypedArena's first chunk][36592]
+* [Don't allocate during default HashSet creation][36734]
+
+Stabilized APIs
+---------------
+
+* [`checked_abs`]
+* [`wrapping_abs`]
+* [`overflowing_abs`]
+* [`RefCell::try_borrow`]
+* [`RefCell::try_borrow_mut`]
+
+Libraries
+---------
+
+* [Add `assert_ne!` and `debug_assert_ne!`][35074]
+* [Make `vec_deque::Drain`, `hash_map::Drain`, and `hash_set::Drain`
+  covariant][35354]
+* [Implement `AsRef<[T]>` for `std::slice::Iter`][35559]
+* [Implement `Debug` for `std::vec::IntoIter`][35707]
+* [`CString`: avoid excessive growth just to 0-terminate][35871]
+* [Implement `CoerceUnsized` for `{Cell, RefCell, UnsafeCell}`][35627]
+* [Use arc4rand on FreeBSD][35884]
+* [memrchr: Correct aligned offset computation][35969]
+* [Improve Demangling of Rust Symbols][36059]
+* [Use monotonic time in condition variables][35048]
+* [Implement `Debug` for `std::path::{Components,Iter}`][36101]
+* [Implement conversion traits for `char`][35755]
+* [Fix illegal instruction caused by overflow in channel cloning][36104]
+* [Zero first byte of CString on drop][36264]
+* [Inherit overflow checks for sum and product][36372]
+* [Add missing Eq implementations][36423]
+* [Implement `Debug` for `DirEntry`][36631]
+* [When `getaddrinfo` returns `EAI_SYSTEM` retrieve actual error from
+  `errno`][36754]
+* [`SipHasher`] is deprecated. Use [`DefaultHasher`].
+* [Implement more traits for `std::io::ErrorKind`][35911]
+* [Optimize BinaryHeap bounds checking][36072]
+* [Work around pointer aliasing issue in `Vec::extend_from_slice`,
+  `extend_with_element`][36355]
+* [Fix overflow checking in unsigned pow()][34942]
+
+Cargo
+-----
+
+* This release includes security fixes to both curl and OpenSSL.
+* [Fix transitive doctests when panic=abort][cargo/3021]
+* [Add --all-features flag to cargo][cargo/3038]
+* [Reject path-based dependencies in `cargo package`][cargo/3060]
+* [Don't parse the home directory more than once][cargo/3078]
+* [Don't try to generate Cargo.lock on empty workspaces][cargo/3092]
+* [Update OpenSSL to 1.0.2j][cargo/3121]
+* [Add license and license_file to cargo metadata output][cargo/3110]
+* [Make crates-io registry URL optional in config; ignore all changes to
+  source.crates-io][cargo/3089]
+* [Don't download dependencies from other platforms][cargo/3123]
+* [Build transitive dev-dependencies when needed][cargo/3125]
+* [Add support for per-target rustflags in .cargo/config][cargo/3157]
+* [Avoid updating registry when adding existing deps][cargo/3144]
+* [Warn about path overrides that won't work][cargo/3136]
+* [Use workspaces during `cargo install`][cargo/3146]
+* [Leak mspdbsrv.exe processes on Windows][cargo/3162]
+* [Add --message-format flag][cargo/3000]
+* [Pass target environment for rustdoc][cargo/3205]
+* [Use `CommandExt::exec` for `cargo run` on Unix][cargo/2818]
+* [Update curl and curl-sys][cargo/3241]
+* [Call rustdoc test with the correct cfg flags of a package][cargo/3242]
+
+Tooling
+-------
+
+* [rustdoc: Add the `--sysroot` argument][36586]
+* [rustdoc: Fix a couple of issues with the search results][35655]
+* [rustdoc: remove the `!` from macro URLs and titles][35234]
+* [gdb: Fix pretty-printing special-cased Rust types][35585]
+* [rustdoc: Filter more incorrect methods inherited through Deref][36266]
+
+Misc
+----
+
+* [Remove unmaintained style guide][35124]
+* [Add s390x support][36369]
+* [Initial work at Haiku OS support][36727]
+* [Add mips-uclibc targets][35734]
+* [Crate-ify compiler-rt into compiler-builtins][35021]
+* [Add rustc version info (git hash + date) to dist tarball][36213]
+* Many documentation improvements
+
+Compatibility Notes
+-------------------
+
+* [`SipHasher`] is deprecated. Use [`DefaultHasher`].
+* [Deny (by default) transmuting from fn item types to pointer-sized
+  types][34923]. Continuing the long transition to zero-sized fn items,
+  per [RFC 401].
+* [Fix `#[derive]` for empty tuple structs/variants][35728].
+  Part of [RFC 1506].
+* [Issue deprecation warnings for safe accesses to extern statics][36173]
+* [Fix lifetime rules for 'if' conditions][36029].
+* [Inherit overflow checks for sum and product][36372].
+* [Forbid user-defined macros named "macro_rules"][36730].
+
+[33922]: https://github.com/rust-lang/rust/pull/33922
+[34623]: https://github.com/rust-lang/rust/pull/34623
+[34923]: https://github.com/rust-lang/rust/pull/34923
+[34942]: https://github.com/rust-lang/rust/pull/34942
+[34982]: https://github.com/rust-lang/rust/pull/34982
+[35021]: https://github.com/rust-lang/rust/pull/35021
+[35048]: https://github.com/rust-lang/rust/pull/35048
+[35074]: https://github.com/rust-lang/rust/pull/35074
+[35124]: https://github.com/rust-lang/rust/pull/35124
+[35234]: https://github.com/rust-lang/rust/pull/35234
+[35238]: https://github.com/rust-lang/rust/pull/35238
+[35354]: https://github.com/rust-lang/rust/pull/35354
+[35559]: https://github.com/rust-lang/rust/pull/35559
+[35585]: https://github.com/rust-lang/rust/pull/35585
+[35627]: https://github.com/rust-lang/rust/pull/35627
+[35655]: https://github.com/rust-lang/rust/pull/35655
+[35702]: https://github.com/rust-lang/rust/pull/35702
+[35707]: https://github.com/rust-lang/rust/pull/35707
+[35728]: https://github.com/rust-lang/rust/pull/35728
+[35734]: https://github.com/rust-lang/rust/pull/35734
+[35755]: https://github.com/rust-lang/rust/pull/35755
+[35761]: https://github.com/rust-lang/rust/pull/35761
+[35764]: https://github.com/rust-lang/rust/pull/35764
+[35814]: https://github.com/rust-lang/rust/pull/35814
+[35854]: https://github.com/rust-lang/rust/pull/35854
+[35871]: https://github.com/rust-lang/rust/pull/35871
+[35884]: https://github.com/rust-lang/rust/pull/35884
+[35911]: https://github.com/rust-lang/rust/pull/35911
+[35969]: https://github.com/rust-lang/rust/pull/35969
+[35975]: https://github.com/rust-lang/rust/pull/35975
+[36004]: https://github.com/rust-lang/rust/pull/36004
+[36008]: https://github.com/rust-lang/rust/pull/36008
+[36014]: https://github.com/rust-lang/rust/pull/36014
+[36029]: https://github.com/rust-lang/rust/pull/36029
+[36059]: https://github.com/rust-lang/rust/pull/36059
+[36072]: https://github.com/rust-lang/rust/pull/36072
+[36101]: https://github.com/rust-lang/rust/pull/36101
+[36104]: https://github.com/rust-lang/rust/pull/36104
+[36171]: https://github.com/rust-lang/rust/pull/36171
+[36173]: https://github.com/rust-lang/rust/pull/36173
+[36178]: https://github.com/rust-lang/rust/pull/36178
+[36213]: https://github.com/rust-lang/rust/pull/36213
+[36214]: https://github.com/rust-lang/rust/pull/36214
+[36264]: https://github.com/rust-lang/rust/pull/36264
+[36266]: https://github.com/rust-lang/rust/pull/36266
+[36289]: https://github.com/rust-lang/rust/pull/36289
+[36338]: https://github.com/rust-lang/rust/pull/36338
+[36351]: https://github.com/rust-lang/rust/pull/36351
+[36355]: https://github.com/rust-lang/rust/pull/36355
+[36369]: https://github.com/rust-lang/rust/pull/36369
+[36372]: https://github.com/rust-lang/rust/pull/36372
+[36423]: https://github.com/rust-lang/rust/pull/36423
+[36482]: https://github.com/rust-lang/rust/pull/36482
+[36505]: https://github.com/rust-lang/rust/pull/36505
+[36524]: https://github.com/rust-lang/rust/pull/36524
+[36527]: https://github.com/rust-lang/rust/pull/36527
+[36551]: https://github.com/rust-lang/rust/pull/36551
+[36574]: https://github.com/rust-lang/rust/pull/36574
+[36586]: https://github.com/rust-lang/rust/pull/36586
+[36592]: https://github.com/rust-lang/rust/pull/36592
+[36631]: https://github.com/rust-lang/rust/pull/36631
+[36639]: https://github.com/rust-lang/rust/pull/36639
+[36721]: https://github.com/rust-lang/rust/pull/36721
+[36727]: https://github.com/rust-lang/rust/pull/36727
+[36730]: https://github.com/rust-lang/rust/pull/36730
+[36734]: https://github.com/rust-lang/rust/pull/36734
+[36754]: https://github.com/rust-lang/rust/pull/36754
+[36995]: https://github.com/rust-lang/rust/pull/36995
+[RFC 0016]: https://github.com/rust-lang/rfcs/blob/master/text/0016-more-attributes.md
+[RFC 0243]: https://github.com/rust-lang/rfcs/blob/master/text/0243-trait-based-exception-handling.md
+[RFC 1506]: https://github.com/rust-lang/rfcs/blob/master/text/1506-adt-kinds.md
+[RFC 401]: https://github.com/rust-lang/rfcs/blob/master/text/0401-coercions.md
+[RFC 873]: https://github.com/rust-lang/rfcs/blob/master/text/0873-type-macros.md
+[cargo/2818]: https://github.com/rust-lang/cargo/pull/2818
+[cargo/3000]: https://github.com/rust-lang/cargo/pull/3000
+[cargo/3021]: https://github.com/rust-lang/cargo/pull/3021
+[cargo/3038]: https://github.com/rust-lang/cargo/pull/3038
+[cargo/3060]: https://github.com/rust-lang/cargo/pull/3060
+[cargo/3078]: https://github.com/rust-lang/cargo/pull/3078
+[cargo/3089]: https://github.com/rust-lang/cargo/pull/3089
+[cargo/3092]: https://github.com/rust-lang/cargo/pull/3092
+[cargo/3110]: https://github.com/rust-lang/cargo/pull/3110
+[cargo/3121]: https://github.com/rust-lang/cargo/pull/3121
+[cargo/3123]: https://github.com/rust-lang/cargo/pull/3123
+[cargo/3125]: https://github.com/rust-lang/cargo/pull/3125
+[cargo/3136]: https://github.com/rust-lang/cargo/pull/3136
+[cargo/3144]: https://github.com/rust-lang/cargo/pull/3144
+[cargo/3146]: https://github.com/rust-lang/cargo/pull/3146
+[cargo/3157]: https://github.com/rust-lang/cargo/pull/3157
+[cargo/3162]: https://github.com/rust-lang/cargo/pull/3162
+[cargo/3205]: https://github.com/rust-lang/cargo/pull/3205
+[cargo/3241]: https://github.com/rust-lang/cargo/pull/3241
+[cargo/3242]: https://github.com/rust-lang/cargo/pull/3242
+[rustup]: https://www.rustup.rs
+[`checked_abs`]: https://doc.rust-lang.org/std/primitive.i32.html#method.checked_abs
+[`wrapping_abs`]: https://doc.rust-lang.org/std/primitive.i32.html#method.wrapping_abs
+[`overflowing_abs`]: https://doc.rust-lang.org/std/primitive.i32.html#method.overflowing_abs
+[`RefCell::try_borrow`]: https://doc.rust-lang.org/std/cell/struct.RefCell.html#method.try_borrow
+[`RefCell::try_borrow_mut`]: https://doc.rust-lang.org/std/cell/struct.RefCell.html#method.try_borrow_mut
+[`SipHasher`]: https://doc.rust-lang.org/std/hash/struct.SipHasher.html
+[`DefaultHasher`]: https://doc.rust-lang.org/std/collections/hash_map/struct.DefaultHasher.html
+
+
 Version 1.12.1 (2016-10-20)
 ===========================