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Author SHA1 Message Date
Nick Cameron
82f8e5ce84 Address reviewer comments 
[breaking-change]

`OptLevel` variants are no longer `pub use`ed by rust::session::config. If you are using these variants, you must change your code to prefix the variant name with `OptLevel`.
 2016-01-15 14:49:25 +13:00
Nick Cameron
11dcb48c6a Add a test 
And fix bustage in make check
 2016-01-15 10:24:12 +13:00
Nick Cameron
b976d9e666 Implement JSON error emission 
[breaking-change]

syntax::errors::Handler::new has been renamed to with_tty_emitter

Many functions which used to take a syntax::errors::ColorConfig, now take a rustc::session::config::ErrorOutputType. If you previously used ColorConfig::Auto as a default, you should now use ErrorOutputType::default().
 2016-01-15 10:24:12 +13:00
Nick Cameron
fd46c78f8f Add an --output option for specifying an error emitter 2016-01-15 10:24:12 +13:00
Nick Cameron
acfccc515b Add a JSON error emitter 2016-01-15 10:20:30 +13:00
bors
e5bab5dd00 Auto merge of #30848 - nagisa:mir-no-store-zsts, r=nikomatsakis 
Fixes #30831

r? @nikomatsakis
 2016-01-14 15:37:07 +00:00
bors
02fbf31fb2 Auto merge of #30897 - Manishearth:rollup, r=Manishearth 
- Successful merges: #30821, #30869, #30871, #30874, #30879, #30886, #30892
- Failed merges: #30864
 2016-01-14 13:42:59 +00:00
Manish Goregaokar
a964c86d45 Rollup merge of #30892 - shepmaster:box-grammar, r=alexcrichton 2016-01-14 19:12:29 +05:30
Manish Goregaokar
92aa326920 Rollup merge of #30886 - ollie27:docs_links, r=steveklabnik 
r? @steveklabnik
 2016-01-14 19:12:29 +05:30
Manish Goregaokar
f28a43102b Rollup merge of #30879 - durka:collections-range-tracking-issue, r=nagisa 
see #27711 and #30877

r? @alexcrichton
 2016-01-14 19:12:29 +05:30
Manish Goregaokar
74458cf42a Rollup merge of #30874 - dhuseby:fixing_bitrig_tests, r=alexcrichton 
fixes the failing bitrig unit tests.
 2016-01-14 19:12:28 +05:30
Manish Goregaokar
9cb4350e63 Rollup merge of #30871 - oli-obk:fix/reference, r=steveklabnik 
r? @steveklabnik
 2016-01-14 19:12:28 +05:30
Manish Goregaokar
7893031d92 Rollup merge of #30869 - D101101:patch-3, r=huonw 
r? @steveklabnik
 2016-01-14 19:12:28 +05:30
Manish Goregaokar
07aaca3a07 Rollup merge of #30821 - steveklabnik:gh30819, r=nikomatsakis 
Fixes #30819
 2016-01-14 19:12:28 +05:30
bors
5b3a75fe56 Auto merge of #30883 - Manishearth:rollup, r=Manishearth 
- Successful merges: #30626, #30662, #30770, #30801, #30818, #30823, #30828, #30835, #30837, #30839, #30845, #30848, #30850, #30851, #30863
- Failed merges:
 2016-01-14 06:45:26 +00:00
Manish Goregaokar
1246f43bf9 Rollup merge of #30863 - jseyfried:no_rc, r=eddyb 
Use arena allocation instead of reference counting for `Module`s to fix memory leaks from `Rc` cycles.

A module references its module children and its import resolutions, and an import resolution references the module defining the imported name, so there is a cycle whenever a module imports something from an ancestor module.

For example,
```rust
mod foo { // `foo` references `bar`.
    fn baz() {}
    mod bar { // `bar` references the import.
        use foo::baz; // The import references `foo`.
    }
}
```
 2016-01-14 11:04:43 +05:30
Manish Goregaokar
e51de045ef Rollup merge of #30851 - jonas-schievink:unneeded-dropflags, r=pnkfelix 
Apparently we allocate and maintain non-working dropflag hints since June... In anticipation of a working implementation of on-stack drop flag hints, let's not spend even more time on types that don't even need to be dropped.

```rust
fn main() {
    let (i,j,k,l) = (0,0,0,0);
}
```
used to translate to (unoptimized only, of course):
```llvm
define internal void @_ZN4main20ha8deb085c47920d8eaaE() unnamed_addr #0 {
entry-block:
  %dropflag_hint_10 = alloca i8
  %dropflag_hint_11 = alloca i8
  %dropflag_hint_12 = alloca i8
  %dropflag_hint_13 = alloca i8
  %const = alloca { i32, i32, i32, i32 }
  %i = alloca i32
  %j = alloca i32
  %k = alloca i32
  %l = alloca i32
  store i8 61, i8* %dropflag_hint_10
  store i8 61, i8* %dropflag_hint_11
  store i8 61, i8* %dropflag_hint_12
  store i8 61, i8* %dropflag_hint_13
  %0 = bitcast { i32, i32, i32, i32 }* %const to i8*
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast ({ i32, i32, i32, i32 }* @const2752 to i8*), i64 16, i32 4, i1 false)
  %1 = getelementptr inbounds { i32, i32, i32, i32 }, { i32, i32, i32, i32 }* %const, i32 0, i32 0
  %2 = load i32, i32* %1, align 4
  store i32 %2, i32* %i, align 4
  %3 = getelementptr inbounds { i32, i32, i32, i32 }, { i32, i32, i32, i32 }* %const, i32 0, i32 1
  %4 = load i32, i32* %3, align 4
  store i32 %4, i32* %j, align 4
  %5 = getelementptr inbounds { i32, i32, i32, i32 }, { i32, i32, i32, i32 }* %const, i32 0, i32 2
  %6 = load i32, i32* %5, align 4
  store i32 %6, i32* %k, align 4
  %7 = getelementptr inbounds { i32, i32, i32, i32 }, { i32, i32, i32, i32 }* %const, i32 0, i32 3
  %8 = load i32, i32* %7, align 4
  store i32 %8, i32* %l, align 4
  ret void
}
```

Now it gives:
```llvm
define internal void @_ZN4main20ha8deb085c47920d8eaaE() unnamed_addr #0 {
entry-block:
  %const = alloca { i32, i32, i32, i32 }
  %i = alloca i32
  %j = alloca i32
  %k = alloca i32
  %l = alloca i32
  %0 = bitcast { i32, i32, i32, i32 }* %const to i8*
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast ({ i32, i32, i32, i32 }* @const2748 to i8*), i64 16, i32 4, i1 false)
  %1 = getelementptr inbounds { i32, i32, i32, i32 }, { i32, i32, i32, i32 }* %const, i32 0, i32 0
  %2 = load i32, i32* %1, align 4
  store i32 %2, i32* %i, align 4
  %3 = getelementptr inbounds { i32, i32, i32, i32 }, { i32, i32, i32, i32 }* %const, i32 0, i32 1
  %4 = load i32, i32* %3, align 4
  store i32 %4, i32* %j, align 4
  %5 = getelementptr inbounds { i32, i32, i32, i32 }, { i32, i32, i32, i32 }* %const, i32 0, i32 2
  %6 = load i32, i32* %5, align 4
  store i32 %6, i32* %k, align 4
  %7 = getelementptr inbounds { i32, i32, i32, i32 }, { i32, i32, i32, i32 }* %const, i32 0, i32 3
  %8 = load i32, i32* %7, align 4
  store i32 %8, i32* %l, align 4
  ret void
}
```

Let's hope I didn't break anything!
 2016-01-14 11:04:43 +05:30
Manish Goregaokar
6ceaa2f77a Rollup merge of #30850 - ranma42:cleanup-io, r=alexcrichton 
In 8d90d3f368 `BufStream`, the only
consumer of `InternalBufWriter`, was removed. As implied by the name,
this type is private, hence it is currently dead code.
 2016-01-14 11:04:43 +05:30
Manish Goregaokar
24848846cc Rollup merge of #30839 - tomaka:debug-phantomdata, r=nikomatsakis 
All the trait implementations of `PhantomData` use `impl<T: ?Sized>` except for `Debug`
https://doc.rust-lang.org/nightly/std/marker/struct.PhantomData.html#implementations

This PR fixes this.
 2016-01-14 11:04:42 +05:30
Manish Goregaokar
837a8decb6 Rollup merge of #30837 - semarie:openbsd-libc, r=alexcrichton 
The following PR updates libc version to latest commits for correctly support openbsd.
It corrects several points in rustc to be compatible with libc changes.

r? @alexcrichton
 2016-01-14 11:04:42 +05:30
Manish Goregaokar
4ff1d20ad7 Rollup merge of #30835 - kraai:show-span, r=sanxiyn 
I think this will fix #30656.
 2016-01-14 11:04:41 +05:30
Manish Goregaokar
98c7519826 Rollup merge of #30828 - wheals:fix-dead-links, r=steveklabnik 
See [the intrinsics page](https://doc.rust-lang.org/nightly/core/intrinsics/index.html) for example.
 2016-01-14 11:04:41 +05:30
Manish Goregaokar
9036c82781 Rollup merge of #30823 - pnkfelix:put-back-alloca-zeroing-for-issue-30530, r=dotdash 
Put back alloca zeroing for issues #29092, #30018, #30530; inject zeroing for #30822.

----

Background context: `fn alloca_zeroed` was removed in PR #22969, so we haven't been "zero'ing" (\*) the alloca's since at least that point, but the logic behind that PR seems sound, so its not entirely obvious how *long* the underlying bug has actually been present.  In other words, I have not yet done a survey to see when the new `alloc_ty` and `lvalue_scratch_datum` calls were introduced that should have had "zero'ing" the alloca's.

----

I first fixed #30018, then decided to do a survey of `alloc_ty` calls to see if they needed similar treatment, which quickly led to a rediscovery of #30530.

While making the regression test for the latter, I discovered #30822, which is a slightly different bug (in terms of where the "zero'ing" needs to go), but still relevant.

I haven't finished the aforementioned survey of `fn alloc_ty` calls, but I decided I wanted to get this up for review in its current state (namely to see if my attempt to force developers to include a justification for passing `Uninit` can possibly fly, or if I should abandon that path of action).

----

(*): I am putting quotation marks around "zero'ing" because we no longer use zero as our "dropped" marker value.

Fix #29092
Fix #30018
Fix #30530
Fix #30822
 2016-01-14 11:04:41 +05:30
Manish Goregaokar
3e248aa09f Rollup merge of #30818 - sfackler:duration-hash, r=alexcrichton 
tikue pointed out in IRC that this was missing.
 2016-01-14 11:04:40 +05:30
Manish Goregaokar
6f4ede44de Rollup merge of #30801 - Amanieu:oom_print, r=alexcrichton 
This adds the ability to override the default OOM behavior by setting a handler function. This is used by libstd to print a message when running out of memory instead of crashing with an obscure "illegal hardware instruction" error (at least on Linux).

Fixes #14674
 2016-01-14 11:04:40 +05:30
Manish Goregaokar
6581563f7a Rollup merge of #30770 - steveklabnik:gh30345, r=brson 
Fixes #30345

I'm not sure if there's anything else that belongs here. Thoughts?
 2016-01-14 11:04:40 +05:30
Manish Goregaokar
40f06b4bb1 Rollup merge of #30626 - steveklabnik:gh30618, r=luqmana 
Fixes #30618
 2016-01-14 11:04:39 +05:30
bors
e1f550ebc2 Auto merge of #30662 - simartin:issue_30592, r=alexcrichton 
Fixes https://github.com/rust-lang/rust/issues/30592, a fallout of cd1848a1a6
 2016-01-14 03:17:51 +00:00
Jake Goulding
6a4f3b2335 Improve grammar of Box::{into,from}_raw docs 2016-01-13 21:23:56 -05:00
bors
9f6917d426 Auto merge of #30466 - alexcrichton:move-wrapping-and-fill-out, r=aturon 
This commit migrates all of the methods on `num::wrapping::OverflowingOps` onto
inherent methods of the integer types. This also fills out some missing gaps in
the saturating and checked departments such as:

* `saturating_mul`
* `checked_{neg,rem,shl,shr}`

This is done in preparation for stabilization,

cc #27755
 2016-01-14 01:26:54 +00:00
Oliver Middleton
01cbdf4481 Fix some broken and missing links in the docs 2016-01-13 23:19:24 +00:00
bors
1447ce78fb Auto merge of #30870 - Eljay:issue-30477, r=alexcrichton 
Fixes #30477, #30213.

The loop over reexports used to be a closure before #30043 but it's an iterator now so it should just continue instead of exiting the loop and skipping stuff.

r? @brson
 2016-01-13 22:27:46 +00:00
Amanieu d'Antras
98bef2b818 Add missing newline character to callers of dumb_print 2016-01-13 20:40:25 +00:00
bors
6089ebaddb Auto merge of #30813 - fhahn:fix-ice-semicolon-in-lifetime, r=nrc 
This PR fixes an ICE due to an DiagnosticsBuilder not being canceld or emitted.

Ideally it would use `Handler::cancel`, but I did not manage to get a `&mut` reference to the diagnostics handler.
 2016-01-13 20:38:12 +00:00
Simon Martin
c5da16012d Issue #30592: Restore build in --disable-jemalloc mode. 2016-01-13 21:15:00 +01:00
Dave Huseby
5ecccb1094 removing the conditional compilation of the dynamic_lib reference 2016-01-13 11:25:02 -08:00
Dave Huseby
a933526fc4 Fixes #30873 2016-01-13 11:25:01 -08:00
Alex Burka
33b12be8b5 update tracking issue for collections_range 2016-01-13 13:50:41 -05:00
bors
ac9be00ecc Auto merge of #30509 - michaelsproul:string-box-error, r=alexcrichton 
Closes #30156.
 2016-01-13 18:46:29 +00:00
bors
b0eec55c3f Auto merge of #30794 - joerg-krause:fix-arm-unknown-linux-gnueabi-float-abi, r=alexcrichton 
gnueabi indicates soft whereas gnueabihf indicates hard floating-point ABI.
 2016-01-13 16:57:01 +00:00
bors
7aed245d69 Auto merge of #30779 - michaelwoerister:closure-mir-in-metadata, r=nikomatsakis 2016-01-13 15:08:07 +00:00
Oliver 'ker' Schneider
3ae71b1b69 the reference was inferring values that didn't fit into their target type 2016-01-13 14:50:04 +01:00
Felix S. Klock II
decc286757 add doc for new fn alloc_ty_init. 
(Note that it might be a good idea to replace *all* calls of
`alloc_ty` with calls to `alloc_ty_init`, to encourage programmers to
consider the appropriate value for the `init` flag when creating
temporary values.)
 2016-01-13 14:29:50 +01:00
Felix S. Klock II
7706e2333e revise lifetime handling for alloca's that are initialized as "dropped." 
(This can/should be revisited when drop flags are stored out of band.)
 2016-01-13 14:29:50 +01:00
Felix S. Klock II
8168765d43 Factored out private routine for emitting LLVM lifetime intrinsic calls. 
(The reason this is not factored as far as possible because a
subsequent commit is going to need to do construction without having
access to a `cx`.)
 2016-01-13 14:29:50 +01:00
Felix S. Klock II
df1283cd1a Unit/regression tests for issues #29092, #30018, #30530, #30822. 
Note that the test for #30822 is folded into the test for #30530 (but
the file name mentions only 30530).
 2016-01-13 14:29:25 +01:00
Felix S. Klock II
f251ff4081 bug fixes for issues 30018 and 30822. 
includes bugfixes pointed out during review:

 * Only `call_lifetime_start` for an alloca if the function entry does
   not itself initialize it to "dropped."

 * Remove `schedule_lifetime_end` after writing an *element* into a
   borrowed slice. (As explained by [dotdash][irc], "the lifetime end
   that is being removed was for an element in the slice, which is not
   an alloca of its own and has no lifetime start of its own")

[irc]: https://botbot.me/mozilla/rust-internals/2016-01-13/?msg=57844504&page=3
 2016-01-13 14:02:06 +01:00
Lee Jeffery
42acf89e1f Fix rustdoc reexports. 2016-01-13 13:01:14 +00:00
bors
d3c83fef24 Auto merge of #30684 - tshepang:rustfmt-lexer-part2, r=nrc 2016-01-13 12:22:51 +00:00
bors
8796e012cb Auto merge of #29498 - wthrowe:replace-pattern, r=alexcrichton 
It appears this was left out of RFC rust-lang/rfcs#528 because it might be useful to
also generalize the second argument in some way.  That doesn't seem to
prevent generalizing the first argument now, however.

This is a [breaking-change] because it could cause type-inference to
fail where it previously succeeded.

Also update docs for a few other methods that still referred to `&str` instead of patterns.
 2016-01-13 08:15:45 +00:00