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Author SHA1 Message Date
Oliver Schneider
1095082eea remove wrong packed struct test 2017-02-09 17:55:39 +01:00
Andrew Cann
347bc77c2c Use global recursion limit when evaluating inhabitedness 2017-02-10 00:52:51 +08:00
bors
e7fc53b8f0 Auto merge of #39686 - frewsxcv:rollup, r=frewsxcv 
Rollup of 5 pull requests

- Successful merges: #39595, #39601, #39602, #39615, #39647
- Failed merges:
 2017-02-09 14:25:04 +00:00
Corey Farwell
116bdacf6b Rollup merge of #39647 - japaric:sparc, r=alexcrichton 
build std for sparc64-unknown-linux-gnu

r? @alexcrichton

panicking / unwinding is broken (#39646) but with std available at least people
will be able to debug that issue on real hardware
 2017-02-09 08:47:36 -05:00
Corey Farwell
8f65d7543b Rollup merge of #39615 - phungleson:corefloat, r=alexcrichton 
Improve format float

* Move float into mod float like in test
* Add more tests for f64 f32, lower exp, upper exp, which can come if handy in the future if we want refactor further
* Use `assert_eq` for clearer error messages
 2017-02-09 08:47:35 -05:00
Corey Farwell
e32e2d47d0 Rollup merge of #39602 - estebank:fix-39544, r=eddyb 
Fix ICE when accessing mutably an immutable enum

Fix #39544.
 2017-02-09 08:47:34 -05:00
Corey Farwell
f447c2b443 Rollup merge of #39601 - dumbbell:update-liblibc-to-include-aarch64-unknown-freebsd, r=alexcrichton 
liblibc: Update to include `aarch64-unknown-freebsd` support
 2017-02-09 08:47:33 -05:00
Corey Farwell
15decb86b2 Rollup merge of #39595 - camlorn:structured_repr, r=eddyb 
Make reprs use a structured representation instead of a slice

This is needed for `-z reorder-fields`.  The old design uses a slice taken from HIR, plus a cache that lazily parses.  The new design stores it directly in the `AdtDef` as a `ReprOptions`.  We're doing this now because we need to be able to add reprs that don't necessarily exist in HIR for `-z reorder-fields`, but it needs to happen anyway.

`lookup_repr_hints` should be mostly deprecated.  I want to remove it from `layout` before closing this, unless people think that should be a separate PR.  The `[WIP]` is because of this.  The problem with closing this as-is is that the code here isn't actually testable until some parts of the compiler start using it.

r? @eddyb
 2017-02-09 08:47:32 -05:00
bors
1129ce51a6 Auto merge of #39265 - est31:master, r=petrochenkov 
Stabilize static lifetime in statics

Stabilize the "static_in_const" feature. Blockers before this PR can be merged:

* [x] The [FCP with inclination to stabilize](https://github.com/rust-lang/rust/issues/35897#issuecomment-270441437) needs to be over. FCP lasts roughly three weeks, so will be over at Jan 25, aka this thursday.
* [x] Documentation needs to be added (#37928)

Closes #35897.
 2017-02-09 11:42:49 +00:00
Scott Olson
5eaa7c2d7d Fix unaligned load in librustc_metadata::index. 2017-02-09 03:38:52 -08:00
Scott Olson
2589f4a751 Fix indentation in test. 2017-02-09 03:10:33 -08:00
Scott Olson
b8b898093c Avoid unsafe unaligned loads in test. 2017-02-09 03:09:36 -08:00
Andrew Cann
2bb9c5875d Add recursion limit to inhabitedness check 
Fixes #39489.
Add test aswell.
 2017-02-09 17:34:45 +08:00
Marc-Antoine Perennou
ec73ef9dc8 Merge branch 'master' of git://github.com/rust-lang/rust 
* 'master' of git://github.com/rust-lang/rust: (70 commits)
  sanitizer-dylib: only run where std for x86_64-linux is available
  travis: Fix build order of dist-x86-linux
  fix the sanitizer-dylib test on non x86_64 linux hosts
  dist-x86-linux: install newer kernel headers
  enable sanitizers on build job that tests x86_64 linux
  enable sanitizers on x86_64-linux releases
  use helper function in the rebuild logic of the rustc_*san crates
  build/test the sanitizers only when --enable-sanitizers is used
  sanitizer support
  Add missing urls on join_paths
  Add test for #27433
  Add more examples, get everything passing at last.
  Remove some leftover makefiles.
  Add more test for rustdoc --test
  Rename manifest_version to manifest-version
  reference: clarify #[cfg] section
  Bump stable release date
  rustbuild: Clean build/dist on `make clean`
  Add missing urls for current_dir
  review nits
  ...
 2017-02-09 10:11:36 +01:00
bors
b0e46f03d8 Auto merge of #39586 - arielb1:packed-values, r=eddyb 
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.

r? @eddyb
 2017-02-09 09:02:43 +00:00
Vadim Chugunov
d113b39fbf Exclude top-level macro expansions from source location override. 2017-02-08 22:10:33 -08:00
bors
fd2f8a4536 Auto merge of #39677 - frewsxcv:rollup, r=frewsxcv 
Rollup of 9 pull requests

- Successful merges: #37928, #38699, #39589, #39598, #39599, #39641, #39649, #39653, #39671
- Failed merges:
 2017-02-09 05:58:29 +00:00
Corey Farwell
1e3e904101 Rollup merge of #39671 - alexcrichton:change-order, r=brson 
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 23:55:51 -05:00
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
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