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Rollup of 7 pull requests #23724

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alexcrichton and others added 19 commits March 18, 2015 11:39
Now that we check the stability of fields, the fields of this struct should also
be stable.
When built with `rustc -O`:

before:

test bench_read_slice  ... bench:        68 ns/iter (+/- 56)
test bench_read_vec    ... bench:        78 ns/iter (+/- 21)
test bench_write_slice ... bench:       133 ns/iter (+/- 46)
test bench_write_vec   ... bench:       308 ns/iter (+/- 69)

after:

test bench_read_slice  ... bench:        32 ns/iter (+/- 10)
test bench_read_vec    ... bench:        32 ns/iter (+/- 8)
test bench_write_slice ... bench:        53 ns/iter (+/- 12)
test bench_write_vec   ... bench:       247 ns/iter (+/- 172)
Now that we check the stability of fields, the fields of this struct should also
be stable.
…crichton

1. when mac-android cross compile and make-check , make it use gdb instead of lldb so as to it passes debuginfo tests.
2. ignore some tests on aarch64
Now that feature flags are only on nightly, it's good to split this stuff out.
This commits adds back an `IpAddr` enum matching the `SocketAddr` enum, but
without a port. The enumeration is `#[unstable]`. The `lookup_host` function and
iterator are also destabilized behind a new feature gate due to questions around
the semantics of returning `SocketAddr` values.
This is technically a breaking change as it deprecates and unstables
some previously stable apis that were missed in the last round of
deprecations.

[breaking change]
This PR adds support for associated types to the `#[derive(...)]` syntax extension. In order to do this, it switches over to using where predicates to apply the type constraints. So now this:

```rust
type Trait {
    type Type;
}

#[derive(Clone)]
struct Foo<A> where A: Trait {
    a: A,
    b: <A as Trait>::Type,
}
```

Gets expended into this impl:

```rust
impl<A: Clone> Clone for Foo<A> where
    A: Trait,
    <A as Trait>::Type: Clone,
{
    fn clone(&self) -> Foo<T> {
        Foo {
            a: self.a.clone(),
            b: self.b.clone(),
        }
    }
}
```
before:

test bench_read_slice  ... bench:        68 ns/iter (+/- 56)
test bench_read_vec    ... bench:        78 ns/iter (+/- 21)
test bench_write_slice ... bench:       133 ns/iter (+/- 46)
test bench_write_vec   ... bench:       308 ns/iter (+/- 69)

after:

test bench_read_slice  ... bench:        32 ns/iter (+/- 10)
test bench_read_vec    ... bench:        32 ns/iter (+/- 8)
test bench_write_slice ... bench:        53 ns/iter (+/- 12)
test bench_write_vec   ... bench:       247 ns/iter (+/- 172)
This commits adds back an `IpAddr` enum matching the `SocketAddr` enum, but
without a port. The enumeration is `#[unstable]`. The `lookup_host` function and
iterator are also destabilized behind a new feature gate due to questions around
the semantics of returning `SocketAddr` values.
It's considered an error to access stdout while a process is being shut down, so
tweak this test a bit to actually wait for the child thread to exit.

This was discovered with a recent [snap-mac3 failure](http://buildbot.rust-lang.org/builders/snap3-mac/builds/164/steps/test/logs/stdio)
…richton

Now that feature flags are only on nightly, it's good to split this stuff out.
This is technically a breaking change as it deprecates and unstables some previously stable apis that were missed in the last round of deprecations.

[breaking change]
@Manishearth
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@bors: r+ p=20

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bors commented Mar 26, 2015

📌 Commit 2bf4846 has been approved by Manishearth

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r? @brson

(rust_highfive has picked a reviewer for you, use r? to override)

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bors commented Mar 26, 2015

⌛ Testing commit 2bf4846 with merge 9dea861...

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bors commented Mar 26, 2015

💔 Test failed - auto-mac-64-opt

@Manishearth
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#23727

@Manishearth Manishearth deleted the rollup branch March 26, 2015 07:41
@Centril Centril added the rollup A PR which is a rollup label Oct 2, 2019
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10 participants