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bors
8417d68de5 Auto merge of #68803 - Dylan-DPC:rollup-b4x6ghj, r=Dylan-DPC 
Rollup of 8 pull requests

Successful merges:

 - #68678 (Install robots.txt into rust-docs tarballs)
 - #68711 (Added upper bound of what vecs and boxes can allocate)
 - #68744 (Do not ICE in `type-alias-impl-trait` with save-analysis)
 - #68777 (Clean up E0263 explanation)
 - #68787 (Optimize core::ptr::align_offset (part 1))
 - #68797 (Fix links to types instead of modules)
 - #68798 (Test that `#[track_caller]` as `fn()` respects RT / CTFE equivalence)
 - #68800 (Stabilize `core::iter::once_with()`)

Failed merges:

r? @ghost
 2020-02-03 18:40:54 +00:00
Dylan DPC
af3c315daf
Rollup merge of #68800 - JohnTitor:stabilize-once-with, r=Centril 
Stabilize `core::iter::once_with()`

Fixes #57581

FCP: https://github.com/rust-lang/rust/issues/57581#issuecomment-576178031

r? @SimonSapin
 2020-02-03 18:58:37 +01:00
Dylan DPC
f17f97d36a
Rollup merge of #68798 - Centril:caller-loc-ctfe-rt-equiv, r=RalfJung 
Test that `#[track_caller]` as `fn()` respects RT / CTFE equivalence

r? @RalfJung cc @anp @eddyb
 2020-02-03 18:58:36 +01:00
Dylan DPC
1028978e8f
Rollup merge of #68797 - GuillaumeGomez:link-to-types, r=Dylan-DPC 
Fix links to types instead of modules

r? @Dylan-DPC
 2020-02-03 18:58:35 +01:00
Dylan DPC
370fd8c1b7
Rollup merge of #68787 - amosonn:patch-1, r=nagisa 
Optimize core::ptr::align_offset (part 1)

r? @nagisa
See #68616 for main discussion.
 2020-02-03 18:58:33 +01:00
Dylan DPC
51c6c25575
Rollup merge of #68777 - GuillaumeGomez:clean-up-e0263, r=Dylan-DPC 
Clean up E0263 explanation

r? @Dylan-DPC
 2020-02-03 18:58:32 +01:00
Dylan DPC
95d1f6ffcd
Rollup merge of #68744 - JohnTitor:fix-ice-save-analysis, r=cramertj 
Do not ICE in `type-alias-impl-trait` with save-analysis

FIxes #68621
Fixes #68750
 2020-02-03 18:58:30 +01:00
Dylan DPC
5e561c2135
Rollup merge of #68711 - hman523:fix-68593, r=Dylan-DPC 
Added upper bound of what vecs and boxes can allocate

Fixed issue #68593
I added a line of documentation to these two files to reflect that vectors and boxes ensure that they never allocate more than `isize::MAX` bytes.
r? @steveklabnik
 2020-02-03 18:58:27 +01:00
Dylan DPC
95df2bcaeb
Rollup merge of #68678 - Mark-Simulacrum:robots, r=pietroalbini 
Install robots.txt into rust-docs tarballs

Fixes #68677.

I believe this might just work out from the central-station perspective, but even if it doesn't, this is a prerequisite step anyway.
 2020-02-03 18:58:23 +01:00
Yuki Okushi
7e2d7e0bbc Stabilize core::iter::once_with() 2020-02-04 00:47:04 +09:00
Mazdak Farrokhzad
f0eec88581 track_caller test caller_location ctfe/rt equivalence wrt. fnptrs 2020-02-03 16:15:30 +01:00
Guillaume Gomez
46f6dad101 Fix links to types instead of modules 2020-02-03 16:12:35 +01:00
bors
bdd946df3a Auto merge of #68665 - eddyb:debuginfo-early-create-var, r=nagisa 
codegen: create DIVariables ahead of using them with llvm.dbg.declare.

Instead of having `rustc_codegen_llvm` bundle creation of a `DIVariable` and `llvm.dbg.declare` into a single operation, they are now two separate methods, and the `DIVariable` is created earlier, specifically when `mir::VarDebugInfo`s are being partitioned into locals.

While this isn't currently needed, it's a prerequisite for #48300, which adds fragmented debuginfo, where one `mir::VarDebugInfo` has multiple parts of itself mapped to different `mir::Place`s.
For debuggers to see one composite variable instead of several ones with the same name, we need to create a single `DIVariable` and share it between multiple `llvm.dbg.declare` calls, which are likely pointing to different MIR locals.
That makes the `per_local_var_debug_info` partitioning a good spot to do this in, as we can create *exactly* one `DIVariable` per `mir::VarDebugInfo`, and refer to it as many things as needed.

I'm opening this PR separately because I want to test its perf impact in isolation (see https://github.com/rust-lang/rust/pull/48300#issuecomment-580121438).

r? @nagisa or @oli-obk cc @michaelwoerister @nikomatsakis
 2020-02-03 13:06:44 +00:00
Eduard-Mihai Burtescu
e35dfad5b8 rustc_codegen_llvm: avoid redundant calls to span_start. 2020-02-03 12:14:22 +02:00
Eduard-Mihai Burtescu
f4b74773c7 rustc_codegen_ssa: convert mir::VarDebugInfo into a custom PerLocalVarDebugInfo. 2020-02-03 12:14:22 +02:00
Eduard-Mihai Burtescu
0b633c82f0 rustc_codegen_ssa: split declare_local into create_dbg_var and dbg_var_addr. 2020-02-03 12:14:21 +02:00
bors
c58e09f138 Auto merge of #68778 - RalfJung:raw-addr-of, r=eddyb 
add raw-addr-of variant to mir_raw_fat_ptr

As suggested at https://github.com/rust-lang/rust/pull/48300#discussion_r372520388

r? @eddyb
 2020-02-03 09:54:09 +00:00
bors
0d34a87722 Auto merge of #68772 - matthewjasper:relate-opt, r=davidtwco 
Avoid exponential behaviour when relating types

When equating bound types we check subtyping in both directions. Since closures are invariant in their substs, we end up comparing the two types an exponential number of times. If there are no bound variables this isn't needed.

Closes #68061
 2020-02-03 06:38:34 +00:00
bors
a2e80300cd Auto merge of #68756 - JohnTitor:fix-ice-save-analysis-2, r=davidtwco 
Fix ICE with save-analysis

Fixes #68749

It should be fine since it's the same way as `visit_expr`.
 2020-02-03 03:28:08 +00:00
bors
01db581942 Auto merge of #68735 - JohnTitor:fix-ice-0202, r=estebank 
Use `next_point` to avoid ICE

Fixes #68730

r? @estebank (I think you're familiar with that)
 2020-02-03 00:04:16 +00:00
Amos Onn
22b263ae18 Optimize core::ptr::align_offset 
- As explained in the comment inside mod_inv, it is valid to work mod
  `usize::max_value()` right until the end.
 2020-02-03 01:03:33 +01:00
Amos Onn
3173cd1473 Optimize core::ptr::align_offset 
- When calculating the inverse, it's enough to work `mod a/g` instead
  of `mod a`.
 2020-02-03 01:03:33 +01:00
Amos Onn
e835d0d761 Optimize core::ptr::align_offset 
- Stopping condition inside mod_inv can be >= instead of >
- Remove intrinsics::unchecked_rem, we are working modulu powers-of-2 so
we can simply mask
 2020-02-03 01:03:33 +01:00
bors
8f49d46297 Auto merge of #68720 - wesleywiser:llvm_time_trace, r=davidtwco 
Add support for enabling the LLVM time-trace feature

I found this helpful while investigating an LLVM performance issue.
Passing `-Z llvm-time-trace` causes a `llvm_timings.json` file to be
created. This file can be inspected in with the Chrome Profiler
tools or with any other compatible tool like SpeedScope.

More information on the LLVM feature:

- https://aras-p.info/blog/2019/01/16/time-trace-timeline-flame-chart-profiler-for-Clang/

- https://reviews.llvm.org/rL357340
 2020-02-02 20:33:47 +00:00
Ralf Jung
ee60158440 add raw-addr-of variant to mir_raw_fat_ptr 2020-02-02 20:51:24 +01:00
bors
f43c34a134 Auto merge of #68774 - RalfJung:miri, r=RalfJung 
bump Miri

Fixes https://github.com/rust-lang/rust/issues/68757

Cc @oli-obk r? @ghost
 2020-02-02 16:58:49 +00:00
Guillaume Gomez
019ca55b45
Clean up E0263 explanation 2020-02-02 15:28:18 +01:00
Ralf Jung
8c5bec103f bump Miri 2020-02-02 14:51:30 +01:00
bors
994e5e7465 Auto merge of #68771 - Centril:rollup-zllcup9, r=Centril 
Rollup of 5 pull requests

Successful merges:

 - #68733 (Update option.rs)
 - #68760 (Issue error on `compile-fail` header in UI test)
 - #68763 (Do not suggest duplicate bounds)
 - #68764 (parser: syntactically allow `self` in all `fn` contexts)
 - #68769 (parser: avoid re-wrapping NtItem)

Failed merges:

r? @ghost
 2020-02-02 13:16:43 +00:00
Mazdak Farrokhzad
011fb23c58
Rollup merge of #68769 - Centril:unwrap, r=petrochenkov 
parser: avoid re-wrapping NtItem

r? @petrochenkov
 2020-02-02 14:15:53 +01:00
Mazdak Farrokhzad
5951cd3dda
Rollup merge of #68764 - Centril:self-semantic, r=petrochenkov 
parser: syntactically allow `self` in all `fn` contexts

Part of https://github.com/rust-lang/rust/pull/68728.

`self` parameters are now *syntactically* allowed as the first parameter irrespective of item context (and in function pointers). Instead, semantic validation (`ast_validation`) is used.

r? @petrochenkov
 2020-02-02 14:15:52 +01:00
Mazdak Farrokhzad
2e1790dda1
Rollup merge of #68763 - JohnTitor:do-not-sugg-dup-bounds, r=estebank 
Do not suggest duplicate bounds

Fixes #68205
Fixes #68695

r? @estebank
 2020-02-02 14:15:51 +01:00
Mazdak Farrokhzad
3a7f1edd81
Rollup merge of #68760 - Tyg13:compile_fail_ui_test, r=Centril 
Issue error on `compile-fail` header in UI test

Fixes #68732

r? @Centril
 2020-02-02 14:15:49 +01:00
Mazdak Farrokhzad
f2cc0cc09d
Rollup merge of #68733 - cata0309:patch-1, r=Dylan-DPC 
Update option.rs

I updated the example of the `expect` examples so they won't contain depressing sentences any more !
 2020-02-02 14:15:48 +01:00
Mazdak Farrokhzad
d154bef4d3 parser: avoid re-wrapping NtItem 2020-02-02 13:55:45 +01:00
Mazdak Farrokhzad
71a6f58229 parser: address review comments re. self. 2020-02-02 13:32:37 +01:00
Matthew Jasper
a606ffdb17 Avoid exponential behaviour when relating types 2020-02-02 12:10:08 +00:00
Yuki Okushi
56ad8bcfe0 Do not suggest duplicate bounds 2020-02-02 18:38:23 +09:00
Mazdak Farrokhzad
8674efdb7c parser: move restrictions re. self to ast_validation. 2020-02-02 10:33:55 +01:00
bors
cef6894572 Auto merge of #68737 - Centril:fix-68710, r=petrochenkov 
pretty: print attrs in struct expr

Fixes https://github.com/rust-lang/rust/issues/68710 by printing the attributes on struct expression fields.

r? @petrochenkov
cc @dtolnay
 2020-02-02 09:19:40 +00:00
Mazdak Farrokhzad
00f0b0cd3a pretty: print attrs in struct expr 2020-02-02 09:25:54 +01:00
Tyler Lanphear
f6c3894724 compiletest: error if compile-fail header in ui test. 2020-02-02 02:08:30 -05:00
bors
0cbcb17d33 Auto merge of #68754 - JohnTitor:clippy-up, r=JohnTitor 
Update Clippy

Fixes #68745

r? @ghost
 2020-02-02 06:09:00 +00:00
bors
bc4a339064 Auto merge of #68672 - jonas-schievink:dedup-witness, r=Zoxc 
Deduplicate types in the generator witness

For the `await-call-tree` benchmark this often reduces the types inside the witness from 12 to 2.
 2020-02-02 03:02:41 +00:00
Yuki Okushi
c377ed606c Fix ICE with save-analysis 2020-02-02 09:23:47 +09:00
Yuki Okushi
ae22bf9d42 Catch more ICEs 2020-02-02 09:02:54 +09:00
Yuki Okushi
632d75e057 Update Clippy 2020-02-02 08:38:28 +09:00
bors
e5b150edaf Auto merge of #68752 - JohnTitor:rollup-zz3u4xl, r=JohnTitor 
Rollup of 7 pull requests

Successful merges:

 - #68460 (Use BufWriter for emitting MIR)
 - #68681 (Suggest path separator for single-colon typos)
 - #68688 ([docs] remind bug reporters to update nightly)
 - #68704 (Ignore `build` dir formatting)
 - #68727 (Remove a comment about pretty printer in formatting tests)
 - #68736 (Remove `Alloc` in favor of `AllocRef`)
 - #68740 (Do not suggest things named underscore)

Failed merges:

r? @ghost
 2020-02-01 23:31:51 +00:00
Yuki Okushi
87bb0c4389
Rollup merge of #68740 - JohnTitor:do-not-sugg-underscore, r=Centril 
Do not suggest things named underscore

Fixes #68719

r? @estebank
 2020-02-02 08:30:21 +09:00
Yuki Okushi
c7332abee2
Rollup merge of #68736 - TimDiekmann:remove-alloc, r=Amanieu 
Remove `Alloc` in favor of `AllocRef`

`AllocRef` was reexported as `Alloc` in #68529  in order to not break toolstate in the week before the next stable release.

r? @Amanieu
 2020-02-02 08:30:19 +09:00