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Author SHA1 Message Date
Mazdak Farrokhzad
81434cbf84
Rollup merge of #58137 - ljedrz:cleanup_node_id_to_type, r=estebank 
Cleanup: rename node_id_to_type(_opt)

Renames `node_id_to_type(_opt)` to `hir_id_to_type(_opt)`; this makes it clear we are dealing with HIR nodes and their IDs here.

In addition, a drive-by commit removing `ty::item_path::hir_path_str` (as requested by @eddyb).
 2019-02-13 04:37:00 +01:00
Mazdak Farrokhzad
1c1d2e44c5
Rollup merge of #58057 - michaelwoerister:stabilize-xlto, r=alexcrichton 
Stabilize linker-plugin based LTO (aka cross-language LTO)

This PR stabilizes [linker plugin based LTO](https://github.com/rust-lang/rust/issues/49879), also known as "cross-language LTO" because it allows for doing inlining and other optimizations across language boundaries in mixed Rust/C/C++ projects.

As described in the tracking issue, it works by making `rustc` emit LLVM bitcode instead of machine code, the same as `clang` does. A linker with the proper plugin (like LLD) can then run (Thin)LTO across all modules.

The feature has been implemented over a number of pull requests and there are various [codegen](https://github.com/rust-lang/rust/blob/master/src/test/codegen/no-dllimport-w-cross-lang-lto.rs) and [run](https://github.com/rust-lang/rust/tree/master/src/test/run-make-fulldeps/cross-lang-lto-clang)-[make](https://github.com/rust-lang/rust/tree/master/src/test/run-make-fulldeps/cross-lang-lto-upstream-rlibs) [tests](https://github.com/rust-lang/rust/tree/master/src/test/run-make-fulldeps/cross-lang-lto) that make sure that it keeps working.

It also works for building big projects like [Firefox](https://treeherder.mozilla.org/#/jobs?repo=try&revision=2ce2d5ddcea6fbff790503eac406954e469b2f5d).

The PR makes the feature available under the `-C linker-plugin-lto` flag. As discussed in the tracking issue it is not cross-language specific and also not LLD specific. `-C linker-plugin-lto` is descriptive of what it does. If someone has a better name, let me know `:)`
 2019-02-13 04:36:59 +01:00
Mazdak Farrokhzad
0ab1057a56
Rollup merge of #58034 - faern:stabilize-time-checked-add, r=alexcrichton 
Stabilize the time_checked_add feature

Closes #55940

Stabilizes `checked_add` and `checked_sub` on `Instant` and `SystemTime`.
 2019-02-13 04:36:58 +01:00
Mazdak Farrokhzad
0ed894afae
Rollup merge of #57815 - dotdash:asserts, r=sfackler 
Speed up the fast path for assert_eq! and assert_ne!

Currently, the panic!() calls directly borrow the value bindings. This
causes those bindings to always be initialized, i.e. they're initialized
even before the values are even compared. This causes noticeable
overhead in what should be a really cheap operation.

By performing a reborrow of the value in the call to panic!(), we allow
LLVM to optimize that code, so that the extra borrow only happens in the
error case.

We could achieve the same result by dereferencing the values passed to
panic!(), as the format machinery borrows them anyway, but this causes
assertions to fail to compile if one of the values is unsized, i.e. it
would be a breaking change.
 2019-02-13 04:36:56 +01:00
Mazdak Farrokhzad
734cc3e79e
Rollup merge of #57693 - king6cong:word, r=Centril 
Doc rewording

None
 2019-02-13 04:36:55 +01:00
bors
0f949c2fcc Auto merge of #58051 - SimonSapin:str_escape, r=alexcrichton 
Stabilize str::escape_* methods with new return types…

… that implement `Display` and `Iterator<Item=char>`, as proposed in FCP: https://github.com/rust-lang/rust/issues/27791#issuecomment-376864727
 2019-02-12 23:30:16 +00:00
bors
b244f61b77 Auto merge of #58341 - alexreg:cosmetic-2-doc-comments, r=steveklabnik 
Cosmetic improvements to doc comments

This has been factored out from https://github.com/rust-lang/rust/pull/58036 to only include changes to documentation comments (throughout the rustc codebase).

r? @steveklabnik

Once you're happy with this, maybe we could get it through with r=1, so it doesn't constantly get invalidated? (I'm not sure this will be an issue, but just in case...) Anyway, thanks for your advice so far!
 2019-02-12 19:09:24 +00:00
Michael Woerister
3a9d171b0a Fix some rebasing fallout regarding xLTO. 2019-02-12 17:17:05 +01:00
Taiki Endo
c08b5ca4ad Fix rebase fail 2019-02-13 00:31:53 +09:00
Taiki Endo
c360ba285c Cleanup imports 2019-02-13 00:31:51 +09:00
Taiki Endo
3216c7656a Rename rustc_errors dependency in rust 2018 crates 2019-02-13 00:28:52 +09:00
gnzlbg
3a8448c3ff Fix rustc_driver swallowing errors when compilation is stopped 2019-02-12 16:16:12 +01:00
gnzlbg
1431c216fe Remove some dead code from libcore 
These macros are not required to glue the `core_arch` crate anymore.
 2019-02-12 16:11:59 +01:00
Michael Woerister
3733b3267d Add documentation about -Clinker-plugin-lto to rustc book. 2019-02-12 15:42:04 +01:00
Andy Russell
8b21a55b96
use Ubuntu keyserver for CloudABI ports 
The Ubuntu keyserver is more reliable than the MIT PGP server, which is
prone to going down. This commit also explicitly uses port 80 on the
keyserver for reasons outlined in #57844.
 2019-02-12 09:39:38 -05:00
Alexander Regueiro
370f1f26ce Added tests. 2019-02-12 14:33:58 +00:00
Michael Woerister
04f425d2c3 Stabilize linker-plugin based LTO. 2019-02-12 15:10:29 +01:00
Oliver Scherer
6ed4401609 Permit issue posting to have network failures 2019-02-12 14:48:53 +01:00
bors
c84e797642 Auto merge of #58098 - oli-obk:maybe_allow_internal_unstable, r=petrochenkov 
Require a list of features in `#[allow_internal_unstable]`

The blanket-permission slip is not great and will likely give us trouble some point down the road.
 2019-02-12 12:10:10 +00:00
Simon Sapin
eb158f9350 Add doctests for str::escape_* 2019-02-12 09:55:30 +01:00
Simon Sapin
114593d638 Make the prema-unstable char::escape_debug_ext method crate-private 2019-02-12 09:55:30 +01:00
Simon Sapin
92cce78d06 Move str::escape_* to libcore 2019-02-12 09:55:30 +01:00
Simon Sapin
55216f82a6 Stabilize str::escape_* methods 
FCP: https://github.com/rust-lang/rust/issues/27791#issuecomment-376864727
 2019-02-12 09:55:29 +01:00
Simon Sapin
7a077804a3 New return types for str::escape_* that impl Display and Iterator<char> 
As FCP’ed in the tracking issue: https://github.com/rust-lang/rust/issues/27791#issuecomment-376864727
 2019-02-12 09:55:20 +01:00
Simon Sapin
92dcae4742 Add internal impl_fn_for_zst macro for "named closure types" 2019-02-12 09:55:20 +01:00
king6cong
b284c8d608 Doc rewording 2019-02-12 16:45:19 +08:00
bors
a54b5c7a64 Auto merge of #57388 - euclio:runmake-explicit-ignore, r=kennytm 
use ignore directives for run-make tests

This makes the tests easier to read, and makes it possible to tell which
tests aren't being run on the host platform.

Fixes #56704.
 2019-02-12 08:19:35 +00:00
bors
75f9159009 Auto merge of #58389 - Centril:rollup, r=Centril 
Rollup of 11 pull requests

Successful merges:

 - #58105 (libarena => 2018)
 - #58111 (libterm => 2018)
 - #58287 (rustc-std-workspace-core => 2018)
 - #58288 (rustc-workspace-hack => 2018)
 - #58300 (librustc_typeck => 2018)
 - #58313 (Use `?` in librustc macros)
 - #58318 (libserialize => 2018)
 - #58322 (librustc_codegen_ssa => 2018)
 - #58342 (Revert removed #![feature(nll)])
 - #58367 (Remove two dead functions.)
 - #58382 (docs: remove "experimental" wording from std::os::unix)

Failed merges:

r? @ghost
 2019-02-12 05:50:26 +00:00
John Kåre Alsaker
ddb6c4f899 Set the query in the ImplicitCtxt before trying to mark it green 2019-02-12 05:48:39 +01:00
Mazdak Farrokhzad
33d2c9f533
Rollup merge of #58382 - euclio:unix-ext, r=dtolnay 
docs: remove "experimental" wording from std::os::unix
 2019-02-12 04:42:29 +01:00
Mazdak Farrokhzad
5dc571270e
Rollup merge of #58367 - nnethercote:rm-two-dead-funcs, r=alexcrichton 
Remove two dead functions.
 2019-02-12 04:42:28 +01:00
Mazdak Farrokhzad
f04d0852f5
Rollup merge of #58342 - taiki-e:nll, r=matthewjasper 
Revert removed #![feature(nll)]

In PRs related to #58099, `#![feature(nll)]` was removed from several crates.
This PR reverts it.

Related: https://github.com/rust-lang/rust/pull/58265#discussion_r255021244

cc @Centril

r? @matthewjasper
 2019-02-12 04:42:26 +01:00
Mazdak Farrokhzad
4f2d0cfe3b
Rollup merge of #58322 - taiki-e:librustc_codegen_ssa-2018, r=petrochenkov 
librustc_codegen_ssa => 2018

Transitions `librustc_codegen_ssa` to Rust 2018; cc #58099

r? @petrochenkov
 2019-02-12 04:42:25 +01:00
Mazdak Farrokhzad
308c07bc3b
Rollup merge of #58318 - taiki-e:libserialize-2018, r=Centril 
libserialize => 2018

Transitions `libserialize` to Rust 2018; cc #58099

This includes a commit from #58252 (thanks @h-michael!)

r? @Centril
 2019-02-12 04:42:24 +01:00
Mazdak Farrokhzad
d9434531db
Rollup merge of #58313 - matthewjasper:use-question-in-macros, r=oli-obk 
Use `?` in librustc macros
 2019-02-12 04:42:23 +01:00
Mazdak Farrokhzad
a84c93324c
Rollup merge of #58300 - taiki-e:librustc_typeck-2018, r=petrochenkov 
librustc_typeck => 2018

Transitions `librustc_typeck` to Rust 2018; cc #58099

TODO: elided_lifetimes_in_paths

r? @Centril
 2019-02-12 04:42:21 +01:00
Mazdak Farrokhzad
b8fe6f9d43
Rollup merge of #58288 - taiki-e:rustc-workspace-hack-2018, r=alexcrichton 
rustc-workspace-hack => 2018

Transitions `rustc-workspace-hack` to Rust 2018; cc #58099

r? @alexcrichton
 2019-02-12 04:42:20 +01:00
Mazdak Farrokhzad
95ffa78784
Rollup merge of #58287 - taiki-e:rustc-std-workspace-core-2018, r=alexcrichton 
rustc-std-workspace-core => 2018

Transitions `rustc-std-workspace-core` to Rust 2018; cc #58099

r? @alexcrichton
 2019-02-12 04:42:19 +01:00
Mazdak Farrokhzad
3ca1b70dea
Rollup merge of #58111 - Centril:libterm-2018, r=oli-obk 
libterm => 2018

Transitions `libterm` to Rust 2018; cc #58099

r? @oli-obk
 2019-02-12 04:42:18 +01:00
Mazdak Farrokhzad
3dbb31e3d6
Rollup merge of #58105 - Centril:libarena-trans-2018, r=oli-obk 
libarena => 2018

Transitions `libarena` to Rust 2018; cc https://github.com/rust-lang/rust/issues/58099

r? @oli-obk
 2019-02-12 04:42:16 +01:00
bors
ba2853b6d3 Auto merge of #58246 - pmccarter:master, r=oli-obk 
Make `saturating_add` and `saturating_sub` `const` functions

Fixes #58030
 2019-02-12 03:20:16 +00:00
Alexander Regueiro
aafbf742c2 Disallow auto trait alias syntax. 2019-02-12 01:50:33 +00:00
bors
16ca0b9f63 Auto merge of #58180 - davidtwco:issue-58053, r=estebank 
Fix span for closure return type when annotated.

Fixes #58053.

This PR adjusts the span used to label closure return types so that
if the user specifies the return type, i.e. `|_| -> X {}` instead of
`|_| {}`, we correctly highlight all of it and not just the last
character.

r? @pnkfelix
 2019-02-12 00:44:24 +00:00
Mazdak Farrokhzad
0ce5129d05 libterm => 2018 2019-02-12 00:08:08 +01:00
Mazdak Farrokhzad
f996e2b6dc libarena => 2018 2019-02-11 23:49:48 +01:00
Andy Russell
f15d20c1f7
use ignore directives for run-make tests 
This makes the tests easier to read, and makes it possible to tell which
tests aren't being run on the host platform.

Fixes #56704.
 2019-02-11 17:02:06 -05:00
Andy Russell
34052a19a2
remove "experimental" wording from std::os::unix 2019-02-11 15:36:45 -05:00
Esteban Küber
87dd2e1df9 Use hidden suggestions for unused imports lint 2019-02-11 11:16:22 -08:00
David Wood
48b0c9da69
Only suggest imports if not imported. 
This commit modifies name resolution error reporting so that if a name
is in scope and has been imported then we do not suggest importing it.

This can occur when we add a label about constructors not being visible
due to private fields. In these cases, we know that the struct/variant
has been imported and we should silence any suggestions to import the
struct/variant.
 2019-02-11 19:29:10 +01:00
Esteban Küber
235523c7d4 Add way to completely hide suggestion from cli output 2019-02-11 10:01:40 -08:00