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1.15 release notes #38966

Merged
merged 1 commit into from
Jan 21, 2017
Merged

1.15 release notes #38966

merged 1 commit into from
Jan 21, 2017

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brson
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@brson brson commented Jan 10, 2017

Rundered.

Lots of good stuff this release!

Perf graphs: https://goo.gl/KSVFvF, https://goo.gl/K98g8M, https://goo.gl/H1gSoz, https://goo.gl/yZBV2p, https://goo.gl/ltURbb. Not much change 😿

r? @steveklabnik

@brson brson added the beta-nominated Nominated for backporting to the compiler in the beta channel. label Jan 10, 2017
* [Rust-ABI symbols are no longer exported from cdylibs][38117]
* [The `--test` flag works with procedural macro crates][38107]
* [Fix `extern "aapcs" fn` ABI][37814]
* [The `-C no-stack-check` flag is deprecated][37637]. It does nothing.
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Wrong issue/PR number. This refers to an issue titled "Using $crate with a proc macro"

* [Chinese characters display correctly in `fmt::Debug`][37855]
* [Derive `Default` for `Duration`][37699]
* [Support creation of anonymous pipes on WinXP/2k][37677]
* [`copy_from_slice` is optimized for small copies][37573]
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Ah this PR didn't actually change copy_from_slice (but changed impl Read for &[u8]), so that it special cases the single byte read case.

* [Don't clone in `UnificationTable::probe`][37848]
* [Remove `scope_auxiliary` to cut RSS by 10%][37764]
* [Use small vectors in type walker][37760]
* [Avoid unnecessary `mk_ty` calls in `Ty::super_fold_with`][37705]
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As written this seems identical to the change four bullet points up. Granted, the PRs do basically the same thing, but throwing in a "more" somewhere would help — and indeed the linked PR is titled "Avoid more unnecessary ...".

* Basic procedural macros, including custom derive, aka "macros 1.1", are
stable. This allows popular code-generating crates like Serde and Diesel to
work ergonomically. [RFC 1681].
* [`..` may be used in struct patterns][36843]. [RFC 1492].
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This was already mentioned in 1.14 release notes.

* [Link OpenSSL statically on OSX][cargo/3311]
* [Apply new fingerprinting to build dir outputs][cargo/3310]
* [Test for bad path overrides with summaries][cargo/3336]
* [Require `cargo install --vers` takes a semver version][cargo/3338]
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Require [...] to take [...]

* [Test for bad path overrides with summaries][cargo/3336]
* [Require `cargo install --vers` takes a semver version][cargo/3338]
* [Fix retrying crate downloads for network errors][cargo/3348]
* [Implemented string lookup for `build.rustflags` config key][cargo/3356]
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Implement*

lint, which is a warning in this release, and will become a hard error in the
future.
* [Rust-ABI symbols are no longer exported from cdylibs][38117]
* [Once `Peekable` returns `None` it always does][37834]
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Maybe add a note about the upcoming struct reorder by @camlorn ?

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@bluss bluss Jan 10, 2017

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Once Peekable returns None it always does

This should be: if peekable peeks a None, it will return that same None in peek or next without querying the underlying iterator. Peekable is still not fused.

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brson commented Jan 10, 2017

All comments addressed. Thanks for review.

@est31 re struct reordering, in these I don't mention any work in progress, only what's usable on stable.

building Rust.
* [Rust supports i686-unknown-openbsd][38086]. Tier 3 support. No testing or
releases.
* [Rust supports Redox, a pure-Rust OS][37702]. Tier 3 support. No testing or
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I'm not sure whether this is accurate for the 1.15 release. PR #38401 was merged after 1.15 branched off. PR #37702 was only about a preview.

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@jackpot51 @ticki is this okay?

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Hm, yeah. Maybe we should wait until the next release for this bullet.

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@bors: r+

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bors commented Jan 11, 2017

📌 Commit c6b73d2 has been approved by alexcrichton

@alexcrichton alexcrichton added the beta-accepted Accepted for backporting to the compiler in the beta channel. label Jan 11, 2017
stable. This allows popular code-generating crates like Serde and Diesel to
work ergonomically. [RFC 1681].
* [Tuple structs may be empty. Unary and empty tuple structs may be instantiated
with the brace][36868]. Part of [RFC 1506].
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"with the brace" sounds weird. "with curly braces"?

[37602]: https://github.com/rust-lang/rust/pull/37602
[37613]: https://github.com/rust-lang/rust/pull/37613
[37615]: https://github.com/rust-lang/rust/pull/37615
[37627]: https://github.com/rust-lang/rust/pull/37672
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The link target is right but the label is wrong (but it matches the link, so this doesn't actually matter).

Compiler Performance
--------------------

* [Avoid unnecessary `mk_ty` calls in `Ty::super_fold_with`][37979]
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This link and the next one are swapped.

Language
--------

* Basic procedural macros, including custom derive, aka "macros 1.1", are
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It is just custom derive, not "including" custom derive, right?

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I don't know the details I'm afraid, but I'll say that.

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brson commented Jan 17, 2017

Thanks for the review @durka.

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brson commented Jan 17, 2017

@bors r+

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bors commented Jan 17, 2017

📌 Commit a0a4af1 has been approved by brson

@brson brson mentioned this pull request Jan 17, 2017
@alexcrichton alexcrichton removed the beta-nominated Nominated for backporting to the compiler in the beta channel. label Jan 17, 2017
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bors commented Jan 20, 2017

⌛ Testing commit a0a4af1 with merge a58c6f6...

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bors commented Jan 20, 2017

💔 Test failed - status-travis

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alexcrichton commented Jan 20, 2017 via email

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bors commented Jan 20, 2017

⌛ Testing commit a0a4af1 with merge 8371487...

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@bors: retry

  • prioritizing rollup

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bors commented Jan 20, 2017

⌛ Testing commit a0a4af1 with merge 5bc4c06...

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@bors: retry

  • prioritizing rollup

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bors commented Jan 20, 2017

⌛ Testing commit a0a4af1 with merge 43f0020...

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@bors: retry

  • prioritizing rollup

bors added a commit that referenced this pull request Jan 20, 2017
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bors commented Jan 21, 2017

⌛ Testing commit a0a4af1 with merge 7b797c2...

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@bors: retry

  • prioritizing rollup

bors added a commit that referenced this pull request Jan 21, 2017
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bors commented Jan 21, 2017

⌛ Testing commit a0a4af1 with merge aedb49c...

@bors bors merged commit a0a4af1 into rust-lang:master Jan 21, 2017
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The link for "Rust supports the MSP430" seems to be formatted incorrectly.

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