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bors
d9d4d39612 Auto merge of #73565 - matthewjasper:core-min-spec, r=nagisa 
Use min_specialization in libcore

Getting `TrustedRandomAccess` to work is the main interesting thing here.

- `get_unchecked` is now an unstable, hidden method on `Iterator`
- The contract for `TrustedRandomAccess` is made clearer in documentation
- Fixed a bug where `Debug` would create aliasing references when using the specialized zip impl
- Added tests for the side effects of `next_back` and `nth`.

closes #68536
 2020-08-20 23:05:31 +00:00
Dr. Koutheir Attouchi
6fca004ba9
Another motivation for CFG: return-oriented programming 2020-08-20 18:54:40 -04:00
LeSeulArtichaut
1ababd8794 Use intra-doc-links in alloc 2020-08-21 00:25:25 +02:00
bors
e15510ca33 Auto merge of #75494 - matthewjasper:defer-recursive-projection-error, r=nikomatsakis 
Don't immediately error for cycles during normalization

#73452 meant some normalization cycles could be detected earlier, breaking some code.
This PR makes defers errors for normalization cycles to fulfillment, fixing said code.

Fixes #74868

r? @nikomatsakis
 2020-08-20 20:27:22 +00:00
Alexis Bourget
fb3f927131 Move to intra doc links for std::thread documentation 2020-08-20 22:03:00 +02:00
Camelid
5a307cf4bb
Fix intra-doc links 
One of the original links was linking to the wrong thing as well.

Co-authored-by: Joshua Nelson <joshua@yottadb.com>
 2020-08-20 12:39:12 -07:00
Guillaume Gomez
5e9cc4e319 fmt 2020-08-20 21:28:06 +02:00
Guillaume Gomez
d108bd5386 Add documentation for --show-coverage option 2020-08-20 21:26:57 +02:00
Guillaume Gomez
9c254c18d6 Update how doc examples are counted 2020-08-20 21:26:57 +02:00
Guillaume Gomez
631c80659d Remove "total" columns in --show-coverage output 2020-08-20 21:09:40 +02:00
Matthew Jasper
67fb5839df Don't immediately error for cycles during normalization 2020-08-20 19:29:42 +01:00
bors
3323691109 Auto merge of #75747 - cuviper:rollup-icke90l, r=cuviper 
Rollup of 8 pull requests

Successful merges:

 - #75672 (Move to intra-doc links for task.rs and vec.rs)
 - #75702 (Clean up E0759 explanation)
 - #75703 (Enable stack-overflow detection on musl for non-main threads)
 - #75710 (Fix bad printing of const-eval queries)
 - #75716 (Upgrade Emscripten on CI to 1.39.20 )
 - #75731 (Suppress ty::Float in MIR comments of ty::Const)
 - #75733 (Remove duplicated alloc vec bench push_all_move)
 - #75743 (Rename rustc_lexer::TokenKind::Not to Bang)

Failed merges:

r? @ghost
 2020-08-20 18:02:46 +00:00
Josh Stone
2a3f43de42
Rollup merge of #75743 - matklad:excl, r=davidtwco 
Rename rustc_lexer::TokenKind::Not to Bang

All other tokens are named by the punctuation they use, rather than
by semantics operation they stand for. `!` is the only exception to
the rule, let's fix it.
 2020-08-20 10:07:34 -07:00
Josh Stone
6ac1523b23
Rollup merge of #75733 - pickfire:patch-3, r=matklad 
Remove duplicated alloc vec bench push_all_move

push_all_move is the same as extend
 2020-08-20 10:07:32 -07:00
Josh Stone
16b9b9017a
Rollup merge of #75731 - lzutao:mir-cmts-suppress-float-ty-const, r=oli-obk 
Suppress ty::Float in MIR comments of ty::Const

Already covered by MIR constant comments
 2020-08-20 10:07:30 -07:00
Josh Stone
02b2f73fc5
Rollup merge of #75716 - tlively:upgrade-emscripten-1.39.20, r=cuviper 
Upgrade Emscripten on CI to 1.39.20

This Emscripten version was the first to be cut after the LLVM 11
release branch was created, so it should be the most compatible with
LLVM 11. The old version we were using was incompatible with LLVM 11
because its wasm-ld did not understand all the relocations that LLVM
11 emits.
 2020-08-20 10:07:28 -07:00
Josh Stone
6a3425eb08
Rollup merge of #75710 - ThibsG:FixBadPrinting75447, r=oli-obk 
Fix bad printing of const-eval queries

Fixes: #75447

r? @RalfJung

cc @oli-obk
 2020-08-20 10:07:27 -07:00
Josh Stone
7ac126ec56
Rollup merge of #75703 - tmiasko:stack-overflow-musl, r=cuviper 
Enable stack-overflow detection on musl for non-main threads
 2020-08-20 10:07:24 -07:00
Josh Stone
ba104d291a
Rollup merge of #75702 - GuillaumeGomez:cleanup-e0759, r=pickfire 
Clean up E0759 explanation

r? @Dylan-DPC

cc @pickfire
 2020-08-20 10:07:22 -07:00
Josh Stone
f29f21285e
Rollup merge of #75672 - kofls:intradoc-fix, r=jyn514 
Move to intra-doc links for task.rs and vec.rs

Partial fix for #75080

links for [`get`], [`get_mut`] skipped due to #75643
link for [`copy_from_slice`] skipped due to #63351
 2020-08-20 10:07:19 -07:00
Joshua Nelson
f5d7848458
Remove duplicate binding in match 
Co-authored-by: lzutao <taolzu@gmail.com>
 2020-08-20 12:15:17 -04:00
Lzu Tao
d97bbd3a21 Suppress ty::Float in MIR comments of ty::Const 
Already covered by MIR constant comments
 2020-08-20 16:03:09 +00:00
Guillaume Gomez
6fb7e02a36 Update rustdoc coverage UI test 2020-08-20 17:42:17 +02:00
Guillaume Gomez
3307ba8212 Ignore code examples on given items where it doesn't make sense 2020-08-20 17:41:36 +02:00
bors
814d252417 Auto merge of #75562 - oli-obk:const_prop_no_aggregates, r=wesleywiser 
Check that we don't use `Rvalue::Aggregate` after the deaggregator

fixes #75481

r? @wesleywiser

cc @RalfJung (modified the validator)
 2020-08-20 15:39:06 +00:00
Joshua Nelson
d468a81a8a Remove duplication in fold_item 2020-08-20 11:19:11 -04:00
Oliver Scherer
dcc202723a
Apply suggestions from code review 
Co-authored-by: Wesley Wiser <wwiser@gmail.com>
 2020-08-20 16:56:19 +02:00
Aleksey Kladov
52992979c5 Rename rustc_lexer::TokenKind::Not to Bang 
All other tokens are named by the punctuation they use, rather than
by semantics operation they stand for. `!` is the only exception to
the rule, let's fix it.
 2020-08-20 16:55:19 +02:00
Guillaume Gomez
7f55c83487 Apply review comments 2020-08-20 15:25:35 +02:00
bors
5fff3824bc Auto merge of #75670 - lzutao:suppress-mir-fndef-ty, r=oli-obk 
Suppress MIR comments of FnDef and unit types

An expansion of #75566.
Comments of FnDef MIR constant already contain `ty::Contains` comments.
 2020-08-20 12:42:13 +00:00
Ivan Tham
4f2e182c5f
Liballoc bench rename push_all extend_from_slice 2020-08-20 19:04:52 +08:00
Lzu Tao
86cf46172f Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
Lzu Tao
f6bd213569 Add missing tick for doc 2020-08-20 09:32:35 +00:00
Lzu Tao
633a2e31ef Suppress MIR comments for FnDef in ty::Const 2020-08-20 09:27:33 +00:00
ThibsG
bd716753f4 Set RUST_BACKTRACE env variable 2020-08-20 10:00:07 +02:00
Ivan Tham
2932d4e634
Remove duplicated alloc vec bench push_all_move 
push_all_move is the same as extend
 2020-08-20 15:20:46 +08:00
Aaron Hill
607a190059
Capture tokens for Pat used in macro_rules! argument 
This extends PR #73293 to handle patterns (Pat). Unlike expressions,
patterns do not support custom attributes, so we only need to capture
tokens during macro_rules! argument parsing.
 2020-08-20 02:45:28 -04:00
bors
1a22a0ff93 Auto merge of #75595 - davidtwco:polymorphization-predicate-simplification-correction, r=eddyb 
polymorphize: if any param in a predicate is used, then all are used

Addresses [review](https://github.com/rust-lang/rust/pull/75518#discussion_r470907646) [comments](https://github.com/rust-lang/rust/pull/75518#discussion_r470907865) [from](https://github.com/rust-lang/rust/pull/75518#discussion_r470908188) @eddyb in #75518 that I didn't get to resolve before bors merged.

This PR modifies polymorphization's handling of predicates so that if any generic parameter is used in a predicate then all parameters in that predicate are used.

r? @eddyb
 2020-08-20 05:06:55 +00:00
bors
f6049b60db Auto merge of #75720 - ehuss:update-books, r=ehuss 
Update books

## nomicon

2 commits in bfe1ab96d717d1dda50e499b360f2e2f57e1750a..25854752549d44d76fbd7650e17cb4f167a0b8fb
2020-06-05 13:19:42 -0400 to 2020-08-19 16:41:48 -0400
- Follow-up of rust-lang/rust#75152 (rust-lang-nursery/nomicon#235)
- Follow-up for rust-lang/rust#74850 (rust-lang-nursery/nomicon#233)

## reference

7 commits in c9b2736a059469043177e1e4ed41a55d7c63ac28..1b6c4b0afab97c0230433466c97167bbbe8445f6
2020-08-03 03:34:03 -0700 to 2020-08-18 17:04:28 -0700
- Some constant/static updates. (rust-lang-nursery/reference#867)
- Add casting rules from function items to other types (rust-lang-nursery/reference#878)
- Apply joshtriplett's suggestion
- Add note clarifying 16-bit support.
- Document min pointer width.
- Update to `dyn Trait` syntax in a couple places (rust-lang-nursery/reference#875)
- mention that `#[track_caller]` on `fn main` is forbidden (rust-lang-nursery/reference#872)

## book

2 commits in 363293c1c5ce9e84ea3935a5e29ce8624801208a..c0a6a61b8205da14ac955425f74258ffd8ee065d
2020-08-03 15:56:30 -0500 to 2020-08-14 14:21:49 -0500
- Correct listing 11-10: Take tests module out of main function. (rust-lang/book#2427)
- Update link to russian translation (rust-lang/book#2423)

## rust-by-example

5 commits in 2e9271981adc32613365810f3428334c07095215..80a10e22140e28392b99d24ed02f4c6d8cb770a0
2020-07-27 13:39:16 -0500 to 2020-08-08 09:56:46 -0300
- Add tuple `..` operator example (rust-lang/rust-by-example#1368)
- Clarify wording (rust-lang/rust-by-example#1366)
- Include arc (rust-lang/rust-by-example#1365)
- Modify supertraits sample code (rust-lang/rust-by-example#1361)
- Remove mention of `try!` in `Display` example (rust-lang/rust-by-example#1357)

## embedded-book

3 commits in b5256448a2a4c1bec68b93c0847066f92f2ff5a9..0cd2ca116274b915924c3a7e07c1e046b6f19b77
2020-07-24 23:09:29 +0000 to 2020-08-19 10:33:15 +0000
- Ignore unused argument in closure  (rust-embedded/book#261)
- Fix broken sentence  (rust-embedded/book#260)
- Add additional command to try when verifying installation.  (rust-embedded/book#259)
 2020-08-20 03:09:19 +00:00
Camelid
22c02bfdb1
Revert to old link since intra-doc link is broken 
Can't link from `core` to `std` yet.
 2020-08-19 18:17:55 -07:00
bors
1a3210993d Auto merge of #75723 - ehuss:update-cargo, r=ehuss 
Update cargo

5 commits in ab32ee88dade1b50c77347599e82ca2de3fb8a51..51b66125ba97d2906f461b3f4e0408f206299bb6
2020-08-10 17:44:43 +0000 to 2020-08-19 20:22:52 +0000
- Add chapters on dependency resolution and SemVer compatibility. (rust-lang/cargo#8609)
- Renames SourceId::into_url -&gt; SourceId::as_url (rust-lang/cargo#8611)
- Fix bug with PathAndArg config values (rust-lang/cargo#8629)
- Show full error context on `cargo run` error. (rust-lang/cargo#8627)
- Fix typo in SIGQUIT description (rust-lang/cargo#8615)
 2020-08-20 01:08:08 +00:00
bors
5f6fcad644 Auto merge of #75563 - richkadel:llvm-coverage-map-gen-5.4, r=wesleywiser 
Moved coverage counter injection from BasicBlock to Statement.

As discussed on Zulip: https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/Implement.20LLVM-compatible.20source-based.20cod.20compiler-team.23278
 2020-08-19 22:48:40 +00:00
Eric Huss
77a5675b1f Update cargo 2020-08-19 15:11:58 -07:00
Eric Huss
4890186957 Update books 2020-08-19 14:07:46 -07:00
Camelid
e0430a8aa2 Switch to intra-doc links in core::result 2020-08-19 14:02:34 -07:00
Aleksey Kladov
ccbe94bf77 Simplify search for bare \r in doc comments 
Outer `if` is the fast path -- it calls into hyperoptimized memchr.

The inner loop is just the simplest code possible -- it doesn't
generated the tightest code, but that shouldn't matter if we are going
to error anyhow.
 2020-08-19 22:53:16 +02:00
Aleksey Kladov
39197e673e Move doc comment parsing to rustc_lexer 
Plain comments are trivial, while doc comments are not, so it feels
like this belongs to the rustc_lexer.

The specific reason to do this is the desire to use rustc_lexer in
rustdoc for syntax highlighting, without duplicating "is this a doc
comment?" logic there.
 2020-08-19 22:53:16 +02:00
bors
32c654a979 Auto merge of #75590 - Mark-Simulacrum:tagged-ptr, r=ecstatic-morse 
Add a packed/tagged pointer abstraction and utilize it for ParamEnv

The intent here is mostly just to add the abstraction; I suspect that there are definitely more use cases for it, and we can explore those over time now that there's a (mostly) safe abstraction that can be used in rustc.
 2020-08-19 20:20:31 +00:00
Mark Rousskov
107e2904bf Use CopyTaggedPtr for ParamEnv 2020-08-19 15:08:35 -04:00
Mark Rousskov
c8fe232836 Add tagged pointer impl to data structures 2020-08-19 15:08:35 -04:00