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Author SHA1 Message Date
Corey Farwell
44fdf5bcd7 Rollup merge of #39653 - JanZerebecki:test-issue-27433, r=alexcrichton 
Add test for #27433
 2017-02-08 23:55:50 -05:00
Corey Farwell
4f8adb6831 Rollup merge of #39649 - GuillaumeGomez:join_paths-url, r=frewsxcv 
Add missing urls on join_paths

r? @frewsxcv
 2017-02-08 23:55:49 -05:00
Corey Farwell
ab7e51b2f7 Rollup merge of #39641 - Ms2ger:purge-mk, r=alexcrichton 
Remove some leftover makefiles.
 2017-02-08 23:55:48 -05:00
Corey Farwell
9f2795f7bd Rollup merge of #39599 - alexcrichton:cargo-tarball-name, r=brson 
Fix a manifest-generation bug on beta

Right now all Cargo release tarballs are 'nightly', they're not on the standard
channels yet.
 2017-02-08 23:55:47 -05:00
Corey Farwell
a7017b582c Rollup merge of #39598 - alexcrichton:cargo-branch, r=brson 
Fix branch name Cargo's downloaded from

This landed on beta in #39546 and this is bringing the patch back to master.
 2017-02-08 23:55:45 -05:00
Corey Farwell
4f6868aa01 Rollup merge of #39589 - ollie27:rustdoc_impl_disambiguation, r=alexcrichton 
rustdoc: Improve impl disambiguation

* Don't disambiguate if there are multiple impls for the same type.
* Disambiguate for impls of &Foo and &mut Foo.
* Don't try to disambiguate generic types.

[before](https://doc.rust-lang.org/nightly/std/ops/trait.Rem.html#implementors) [after](https://ollie27.github.io/rust_doc_test/std/ops/trait.Rem.html#implementors)
 2017-02-08 23:55:44 -05:00
Corey Farwell
3053494a9a Rollup merge of #38699 - japaric:lsan, r=alexcrichton 
LeakSanitizer, ThreadSanitizer, AddressSanitizer and MemorySanitizer support

```
$ cargo new --bin leak && cd $_

$ edit Cargo.toml && tail -n3 $_
```

``` toml
[profile.dev]
opt-level = 1
```

```
$ edit src/main.rs && cat $_
```

``` rust
use std::mem;

fn main() {
    let xs = vec![0, 1, 2, 3];
    mem::forget(xs);
}
```

```
$ RUSTFLAGS="-Z sanitizer=leak" cargo run --target x86_64-unknown-linux-gnu; echo $?
    Finished dev [optimized + debuginfo] target(s) in 0.0 secs
     Running `target/debug/leak`

=================================================================
==10848==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 16 byte(s) in 1 object(s) allocated from:
    #0 0x557c3488db1f in __interceptor_malloc /shared/rust/checkouts/lsan/src/compiler-rt/lib/lsan/lsan_interceptors.cc:55
    #1 0x557c34888aaa in alloc::heap::exchange_malloc::h68f3f8b376a0da42 /shared/rust/checkouts/lsan/src/liballoc/heap.rs:138
    #2 0x557c34888afc in leak::main::hc56ab767de6d653a $PWD/src/main.rs:4
    #3 0x557c348c0806 in __rust_maybe_catch_panic ($PWD/target/debug/leak+0x3d806)

SUMMARY: LeakSanitizer: 16 byte(s) leaked in 1 allocation(s).
23
```

```
$ cargo new --bin racy && cd $_

$ edit src/main.rs && cat $_
```

``` rust
use std::thread;

static mut ANSWER: i32 = 0;

fn main() {
    let t1 = thread::spawn(|| unsafe { ANSWER = 42 });
    unsafe {
        ANSWER = 24;
    }
    t1.join().ok();
}
```

```
$ RUSTFLAGS="-Z sanitizer=thread" cargo run --target x86_64-unknown-linux-gnu; echo $?
==================
WARNING: ThreadSanitizer: data race (pid=12019)
  Write of size 4 at 0x562105989bb4 by thread T1:
    #0 racy::main::_$u7b$$u7b$closure$u7d$$u7d$::hbe13ea9e8ac73f7e $PWD/src/main.rs:6 (racy+0x000000010e3f)
    #1 _$LT$std..panic..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::h2e466a92accacc78 /shared/rust/checkouts/lsan/src/libstd/panic.rs:296 (racy+0x000000010cc5)
    #2 std::panicking::try::do_call::h7f4d2b38069e4042 /shared/rust/checkouts/lsan/src/libstd/panicking.rs:460 (racy+0x00000000c8f2)
    #3 __rust_maybe_catch_panic <null> (racy+0x0000000b4e56)
    #4 std::panic::catch_unwind::h31ca45621ad66d5a /shared/rust/checkouts/lsan/src/libstd/panic.rs:361 (racy+0x00000000b517)
    #5 std:🧵:Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::hccfc37175dea0b01 /shared/rust/checkouts/lsan/src/libstd/thread/mod.rs:357 (racy+0x00000000c226)
    #6 _$LT$F$u20$as$u20$alloc..boxed..FnBox$LT$A$GT$$GT$::call_box::hd880bbf91561e033 /shared/rust/checkouts/lsan/src/liballoc/boxed.rs:605 (racy+0x00000000f27e)
    #7 std::sys:👿🧵:Thread:🆕:thread_start::hebdfc4b3d17afc85 <null> (racy+0x0000000abd40)

  Previous write of size 4 at 0x562105989bb4 by main thread:
    #0 racy::main::h23e6e5ca46d085c3 $PWD/src/main.rs:8 (racy+0x000000010d7c)
    #1 __rust_maybe_catch_panic <null> (racy+0x0000000b4e56)
    #2 __libc_start_main <null> (libc.so.6+0x000000020290)

  Location is global 'racy::ANSWER::h543d2b139f819b19' of size 4 at 0x562105989bb4 (racy+0x0000002f8bb4)

  Thread T1 (tid=12028, running) created by main thread at:
    #0 pthread_create /shared/rust/checkouts/lsan/src/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:902 (racy+0x00000001aedb)
    #1 std::sys:👿🧵:Thread:🆕:hce44187bf4a36222 <null> (racy+0x0000000ab9ae)
    #2 std:🧵:spawn::he382608373eb667e /shared/rust/checkouts/lsan/src/libstd/thread/mod.rs:412 (racy+0x00000000b5aa)
    #3 racy::main::h23e6e5ca46d085c3 $PWD/src/main.rs:6 (racy+0x000000010d5c)
    #4 __rust_maybe_catch_panic <null> (racy+0x0000000b4e56)
    #5 __libc_start_main <null> (libc.so.6+0x000000020290)

SUMMARY: ThreadSanitizer: data race $PWD/src/main.rs:6 in racy::main::_$u7b$$u7b$closure$u7d$$u7d$::hbe13ea9e8ac73f7e
==================
ThreadSanitizer: reported 1 warnings
66
```

```
$ cargo new --bin oob && cd $_

$ edit src/main.rs && cat $_
```

``` rust
fn main() {
    let xs = [0, 1, 2, 3];
    let y = unsafe { *xs.as_ptr().offset(4) };
}
```

```
$ RUSTFLAGS="-Z sanitizer=address" cargo run --target x86_64-unknown-linux-gnu; echo $?
=================================================================
==13328==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fff29f3ecd0 at pc 0x55802dc6bf7e bp 0x7fff29f3ec90 sp 0x7fff29f3ec88
READ of size 4 at 0x7fff29f3ecd0 thread T0
    #0 0x55802dc6bf7d in oob::main::h0adc7b67e5feb2e7 $PWD/src/main.rs:3
    #1 0x55802dd60426 in __rust_maybe_catch_panic ($PWD/target/debug/oob+0xfe426)
    #2 0x55802dd58dd9 in std::rt::lang_start::hb2951fc8a59d62a7 ($PWD/target/debug/oob+0xf6dd9)
    #3 0x55802dc6c002 in main ($PWD/target/debug/oob+0xa002)
    #4 0x7fad8c3b3290 in __libc_start_main (/usr/lib/libc.so.6+0x20290)
    #5 0x55802dc6b719 in _start ($PWD/target/debug/oob+0x9719)

Address 0x7fff29f3ecd0 is located in stack of thread T0 at offset 48 in frame
    #0 0x55802dc6bd5f in oob::main::h0adc7b67e5feb2e7 $PWD/src/main.rs:1

  This frame has 1 object(s):
    [32, 48) 'xs' <== Memory access at offset 48 overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
      (longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow $PWD/src/main.rs:3 in oob::main::h0adc7b67e5feb2e7
Shadow bytes around the buggy address:
  0x1000653dfd40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000653dfd50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000653dfd60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000653dfd70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000653dfd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x1000653dfd90: 00 00 00 00 f1 f1 f1 f1 00 00[f3]f3 00 00 00 00
  0x1000653dfda0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000653dfdb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000653dfdc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000653dfdd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000653dfde0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==13328==ABORTING
1
```

```
$ cargo new --bin uninit && cd $_

$ edit src/main.rs && cat $_
```

``` rust
use std::mem;

fn main() {
    let xs: [u8; 4] = unsafe { mem::uninitialized() };
    let y = xs[0] + xs[1];
}
```

```
$ RUSTFLAGS="-Z sanitizer=memory" cargo run; echo $?
==30198==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x563f4b6867da in uninit::main::hc2731cd4f2ed48f8 $PWD/src/main.rs:5
    #1 0x563f4b7033b6 in __rust_maybe_catch_panic ($PWD/target/debug/uninit+0x873b6)
    #2 0x563f4b6fbd69 in std::rt::lang_start::hb2951fc8a59d62a7 ($PWD/target/debug/uninit+0x7fd69)
    #3 0x563f4b6868a9 in main ($PWD/target/debug/uninit+0xa8a9)
    #4 0x7fe844354290 in __libc_start_main (/usr/lib/libc.so.6+0x20290)
    #5 0x563f4b6864f9 in _start ($PWD/target/debug/uninit+0xa4f9)

SUMMARY: MemorySanitizer: use-of-uninitialized-value $PWD/src/main.rs:5 in uninit::main::hc2731cd4f2ed48f8
Exiting
77
```
 2017-02-08 23:55:43 -05:00
Corey Farwell
7f7dc764f5 Rollup merge of #37928 - chriskrycho:document-rfc-1623, r=steveklabnik 
Document RFC 1623: static lifetime elision.

This should be the last item required for stabilizing RFC 1623 (#35897).
 2017-02-08 23:55:42 -05:00
Alex Crichton
de59d5d737 Actually fix manifest generation 
The previous fix contained an error where `toml::encode` returned a runtime
error, so this version just constructs a literal `toml::Value`.
 2017-02-08 20:49:58 -08:00
Jorge Aparicio
e180dd541a sanitizer-dylib: only run where std for x86_64-linux is available 2017-02-08 22:58:53 -05:00
Jeffrey Seyfried
66bd8eede5 Fix ICE when parsing token trees after an error. 2017-02-09 03:01:54 +00:00
Alex Crichton
8fc0b37428 travis: Fix build order of dist-x86-linux 
I just tried to build this container locally but it looks like connecting to
ftp.gnu.org requires SNI, so let's build curl/OpenSSL first to ensure that we've
got an SNI-capable client to download gcc/binutils with.
 2017-02-08 17:13:46 -08:00
Jan Zerebecki
0dbdb2d0d0 Fix mailmap for @gifnksm 
cc rust-lang-nursery/thanks#71
 2017-02-09 02:10:14 +01:00
Henning Kowalk
8251a2d73f Fix missing article. 2017-02-09 01:18:50 +01:00
Jorge Aparicio
78a11f1b97 fix the sanitizer-dylib test on non x86_64 linux hosts 2017-02-08 18:51:43 -05:00
Jorge Aparicio
1914c8e0ac dist-x86-linux: install newer kernel headers 2017-02-08 18:51:43 -05:00
Jorge Aparicio
47ae2393e6 enable sanitizers on build job that tests x86_64 linux 2017-02-08 18:51:43 -05:00
Jorge Aparicio
72058e4f4c enable sanitizers on x86_64-linux releases 2017-02-08 18:51:43 -05:00
Jorge Aparicio
22097e6827 use helper function in the rebuild logic of the rustc_*san crates 2017-02-08 18:51:43 -05:00
Jorge Aparicio
775a93646c build/test the sanitizers only when --enable-sanitizers is used 2017-02-08 18:51:43 -05:00
Jorge Aparicio
9af6aa3889 sanitizer support 2017-02-08 18:51:43 -05:00
Henning Kowalk
51ef003dea Fixed #39661 
Clarified potential ambiguity.
 2017-02-09 00:44:36 +01:00
Alex Crichton
67574ccd53 Don't include directory names in shasums 
Right now we just run `shasum` on an absolute path but right now the shasum
files only include filenames, so let's use `current_dir` and just the file name
to only have the file name emitted.
 2017-02-08 15:08:30 -08:00
Zack Weinberg
4c3448f356 Add equivalents of C's <ctype.h> functions to AsciiExt. 
* `is_ascii_alphabetic`
 * `is_ascii_uppercase`
 * `is_ascii_lowercase`
 * `is_ascii_alphanumeric`
 * `is_ascii_digit`
 * `is_ascii_hexdigit`
 * `is_ascii_punctuation`
 * `is_ascii_graphic`
 * `is_ascii_whitespace`
 * `is_ascii_control`

This addresses issue #39658.
 2017-02-08 17:43:48 -05:00
Ariel Ben-Yehuda
d71988a1d4 pacify tidy 2017-02-08 22:23:21 +01:00
Ariel Ben-Yehuda
3652c095ce address review comments 2017-02-08 22:23:21 +01:00
Ariel Ben-Yehuda
ffcfdcfe4c Inline the function with_lvalue_ref into trans_transmute 
The function was a footgun because it created `undef` references to
ZSTs, which could cause trouble were they to leak to user code.
 2017-02-08 22:23:21 +01:00
Ariel Ben-Yehuda
7ce1f5194c remove unneeded drop of isize 2017-02-08 22:23:21 +01:00
Ariel Ben-Yehuda
09825de61b emit "align 1" metadata on loads/stores of packed structs 
According to the LLVM reference:
> A value of 0 or an omitted align argument means that the operation has
the ABI alignment for the target.

So loads/stores of fields of packed structs need to have their align set
to 1. Implement that by tracking the alignment of `LvalueRef`s.

Fixes #39376.
 2017-02-08 22:23:21 +01:00
Oliver Middleton
147d173d02 rustdoc: Show attributes on all item types 
Currently attributes are only shown for structs, unions and enums but
they should be shown for all items. For example it is useful to know if a
function is `#[no_mangle]`.
 2017-02-08 21:15:20 +00:00
Guillaume Gomez
3022614ec3 Add missing urls on join_paths 2017-02-08 21:53:49 +01:00
Jan Zerebecki
ab3da97615 Add test for #27433 2017-02-08 21:51:35 +01:00
bors
29dece1c8b Auto merge of #39523 - alexcrichton:fpic, r=aturon 
Pass -fPIC to native compiles on 32-bit

This is apparently a regression from 1.14.0 to 1.15.0. Previously we
passed `-fPIC` to C compilers on i686 targets, but the `gcc` crate
apparently [explicitly] didn't do this. I don't recall why that was
avoided but it was [previously passed by the makefiles][mk] and this
seems to have [caused a regression][regression] in Firefox, so this
commit reverts back to passing `-fPIC`.

[explicitly]: https://github.com/alexcrichton/gcc-rs/commit/362bdf20
[mk]: https://github.com/rust-lang/rust/blob/c781fc4a/mk/cfg/i686-unknown-linux-gnu.mk#L11
[regression]: https://bugzilla.mozilla.org/show_bug.cgi?id=1336155
 2017-02-08 20:49:24 +00:00
Chris Krycho
4096dd684c Add more examples, get everything passing at last. 2017-02-08 14:30:31 -05:00
bors
4379e2fa08 Auto merge of #39645 - frewsxcv:rollup, r=frewsxcv 
Rollup of 11 pull requests

- Successful merges: #39462, #39512, #39529, #39557, #39561, #39582, #39583, #39597, #39622, #39624, #39630
- Failed merges:
 2017-02-08 18:11:06 +00:00
Stjepan Glavina
a344c126d0 Remove unnecessary specialization for [u8] 2017-02-08 18:03:10 +01:00
Jorge Aparicio
499717820d build-manifest: update TARGETS 2017-02-08 11:50:27 -05:00
Jorge Aparicio
8bb4718200 build std for sparc64-unknown-linux-gnu 2017-02-08 10:31:19 -05:00
Corey Farwell
62d22678d4 Rollup merge of #39630 - alexcrichton:update-manifest, r=brson 
Rename manifest_version to manifest-version

The current manifests encode this with a dash in the name, so we should preserve
that!
 2017-02-08 10:19:59 -05:00
Corey Farwell
83a581cadb Rollup merge of #39624 - brson:relnotes-master, r=alexcrichton 
Bump stable release date

cc https://github.com/rust-lang/rust/pull/39623
 2017-02-08 10:19:58 -05:00
Corey Farwell
e15bd3177e Rollup merge of #39622 - alexcrichton:clean-dist, r=brson 
rustbuild: Clean build/dist on `make clean`

Prevents stale artifacts from sticking around by accident!
 2017-02-08 10:19:57 -05:00
Corey Farwell
722baed173 Rollup merge of #39597 - GuillaumeGomez:correct_rustdoc_test_file, r=alexcrichton 
Display correct filename with --test option

Fixes #39592.

With the current files:

```rust
pub mod foo;

/// This is a Foo;
///
/// ```
/// println!("baaaaaar");
/// ```
pub struct Foo;

/// This is a Bar;
///
/// ```
/// println!("fooooo");
/// ```
pub struct Bar;
```

```rust
// note the whitespaces
/// ```
/// println!("foo");
/// ```
pub fn foo() {}
```

It displays:

```
./build/x86_64-apple-darwin/stage1/bin/rustdoc --test test.rs

running 3 tests
test test.rs - line 13 ... ok
test test.rs - line 5 ... ok
test foo.rs - line 2 ... ok

test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured
```

```

` ``
println!("lol");
` ``

asdjnfasd

asd
```

It displays:

```
./build/x86_64-apple-darwin/stage1/bin/rustdoc --test foo.md

running 1 test
test <input> - line 3 ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured
```

r? @alexcrichton
 2017-02-08 10:19:55 -05:00
Corey Farwell
7658921267 Rollup merge of #39583 - michaelwoerister:limit-llvm-threads, r=nikomatsakis 
back: Limit the number of LLVM worker threads.

This should fix issue https://github.com/rust-lang/rust/issues/39568.
Also see https://github.com/rust-lang/rust/issues/39280.

r? @nikomatsakis
 2017-02-08 10:19:54 -05:00
Corey Farwell
944933ef4e Rollup merge of #39582 - nikomatsakis:incr-comp-issue-39569, r=michaelwoerister 
Handle the case where an intermediate node can't be recreated

This solution grows the graph, but this is quite the corner case.

r? @michaelwoerister
 2017-02-08 10:19:52 -05:00
Corey Farwell
e0eeb6e637 Rollup merge of #39561 - phungleson:libcollectionsbench, r=alexcrichton 
Extract collections benchmarks to libcollections/bench

Good suggestion from @stjepang https://github.com/rust-lang/rust/issues/39484#issuecomment-277467765

r? @alexcrichton
 2017-02-08 10:19:51 -05:00
Corey Farwell
75f97db367 Rollup merge of #39557 - bjorn3:pp-docs, r=jseyfried 
A few documentation improvements for `syntax::print::pp`

* Moved algorithm explanation to module docs
* Added ``` before and after the examples
* Explanation of the `rbox`, `ibox` and `cbox` names
* Added docs about the breaking types to `Breaks`
 2017-02-08 10:19:50 -05:00
Corey Farwell
7709c4d2b9 Rollup merge of #39529 - dylanmckay:llvm-4.0-align32, r=alexcrichton 
[LLVM 4.0] Use 32-bits for alignment

LLVM 4.0 changes this. This change is fine to make for LLVM 3.9 as we
won't have alignments greater than 2^32-1.
 2017-02-08 10:19:49 -05:00
Corey Farwell
96bf9ba94d Rollup merge of #39512 - oconnor663:try_wait, r=alexcrichton 
make Child::try_wait return io::Result<Option<ExitStatus>>

This is much nicer for callers who want to short-circuit real I/O errors
with `?`, because they can write this

    if let Some(status) = foo.try_wait()? {
        ...
    } else {
        ...
    }

instead of this

    match foo.try_wait() {
        Ok(status) => {
            ...
        }
        Err(err) if err.kind() == io::ErrorKind::WouldBlock => {
            ...
        }
        Err(err) => return Err(err),
    }

The original design of `try_wait` was patterned after the `Read` and
`Write` traits, which support both blocking and non-blocking
implementations in a single API. But since `try_wait` is never blocking,
it makes sense to optimize for the non-blocking case.

Tracking issue: https://github.com/rust-lang/rust/issues/38903
 2017-02-08 10:19:48 -05:00
Corey Farwell
f69259ecf8 Rollup merge of #39462 - emilio:improper-ctypes, r=nikomatsakis 
lint/ctypes: Don't warn on sized structs with PhantomData.

Fixes #34798
 2017-02-08 10:19:47 -05:00
Stjepan Glavina
ececbb2687 Simplify by calling SliceOrd::compare 2017-02-08 16:01:32 +01:00