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Author SHA1 Message Date
Yuki Okushi
e6dfd308d3
Rollup merge of #75292 - slanterns:cleanup-E0502, r=GuillaumeGomez 
Clean up E0502

`ref` on an entire `let` pattern is discouraged, take a reference with `&` instead.
 2020-08-09 06:41:39 +09:00
Yuki Okushi
bc3ee48fd2
Rollup merge of #75291 - GuillaumeGomez:cleanup-e0750, r=pickfire 
Clean up E0750

r? @Dylan-DPC
 2020-08-09 06:41:37 +09:00
Yuki Okushi
55f2490a59
Rollup merge of #75290 - rust-lang:min_const_generics-version, r=jonas-schievink 
fix `min_const_generics` version

https://github.com/rust-lang/rust/pull/74877#discussion_r467451813

> This should be 1.47.0
 2020-08-09 06:41:35 +09:00
Yuki Okushi
3038ecb07b
Rollup merge of #75289 - pickfire:patch-12, r=jonas-schievink 
Remove ambiguity from PathBuf pop example
 2020-08-09 06:41:33 +09:00
Yuki Okushi
6baee9557a
Rollup merge of #75288 - pickfire:patch-11, r=jonas-schievink 
Use assert! for Path exists example to check bool
 2020-08-09 06:41:32 +09:00
Yuki Okushi
42e163bf40
Rollup merge of #75287 - pickfire:patch-10, r=jonas-schievink 
Show Path extension example change multi extension
 2020-08-09 06:41:30 +09:00
Yuki Okushi
28ab318f57
Rollup merge of #75285 - pickfire:patch-8, r=jonas-schievink 
Separate example for Path strip_prefix
 2020-08-09 06:41:28 +09:00
Yuki Okushi
27b864b154
Rollup merge of #75284 - pickfire:patch-7, r=LukasKalbertodt 
Show relative example for Path ancestors
 2020-08-09 06:41:27 +09:00
Yuki Okushi
cb75fea1cc
Rollup merge of #75266 - aticu:master, r=RalfJung 
Add safety section to `NonNull::as_*` method docs

This basically adds the safety section of `*mut T::as_{ref,mut}` to the
same methods on `NonNull` with minor modifications to fit the
differences.

Part of #48929.
 2020-08-09 06:41:25 +09:00
Yuki Okushi
cbc6914baa
Rollup merge of #75262 - pickfire:patch-6, r=jyn514 
Show multi extension example for Path in doctests
 2020-08-09 06:41:23 +09:00
Yuki Okushi
c85075d522
Rollup merge of #75248 - TimDiekmann:NonNull-as_mut_ptr, r=RalfJung 
Add `as_mut_ptr` to `NonNull<[T]>`

Adds `as_mut_ptr` to shortcut converting a `NonNull<[T]>` to `*mut T` as proposed in https://github.com/rust-lang/rust/issues/74265#issuecomment-669702969.

r? @RalfJung
 2020-08-09 06:41:22 +09:00
Yuki Okushi
ccffe18c3e
Rollup merge of #75162 - poliorcetics:move-documentation-fix, r=jyn514 
Fix the documentation for move about Fn traits implementations

Fixes #74997.

This uses the note from the [reference](https://doc.rust-lang.org/reference/types/closure.html#call-traits-and-coercions) but I can also just put a link to it or do both.

@rusbot modify labels: C-bug T-doc T-libs
 2020-08-09 06:41:20 +09:00
Yuki Okushi
3370ac0042
Rollup merge of #75151 - pickfire:patch-4, r=LukasKalbertodt 
Consistent variable name alloc for raw_vec
 2020-08-09 06:41:18 +09:00
Yuki Okushi
dde4fb3fd2
Rollup merge of #74842 - hermitcore:thread_local, r=Mark-Simulacrum 
adjust remaining targets

- fix commit 7dc3886
- previous commit doesn't adjust all targets
 2020-08-09 06:41:16 +09:00
Yuki Okushi
5bbdc73ebc
Rollup merge of #74712 - strom-und-spiele:E0271-cleanup, r=Mark-Simulacrum 
Update E0271 explanation

When reading the explanation, I got confused by it. I hope the wording is clearer now.
 2020-08-09 06:41:14 +09:00
bors
ceedf1d5fe Auto merge of #75271 - cuviper:array-iter, r=LukasKalbertodt 
Simplify array::IntoIter

- Initialization can use `transmute_copy` to do the bitwise copy.
- `as_slice` can use `get_unchecked` and `MaybeUninit::slice_get_ref`,
  and `as_mut_slice` can do similar.
- `next` and `next_back` can use the corresponding `Range` methods.
- `Clone` doesn't need any unsafety, and we can dynamically update the
  new range to get partial drops if `T::clone` panics.

r? @LukasKalbertodt
 2020-08-08 20:43:21 +00:00
Guillaume Gomez
17db7a4b5c Remove E0750 from unchecked error codes 2020-08-08 21:18:05 +02:00
Guillaume Gomez
259d350111 Clean up E0750 explanation 2020-08-08 21:17:36 +02:00
bors
1facd4a77b Auto merge of #75163 - canova:map_into_keys_values, r=dtolnay 
Implement `into_keys` and `into_values` for associative maps

This PR implements `into_keys` and `into_values` for HashMap and BTreeMap types. They are implemented as unstable, under `map_into_keys_values` feature.
Fixes #55214.
r? @dtolnay
 2020-08-08 18:15:50 +00:00
bors
3f091baba4 Auto merge of #75260 - davidtwco:polymorphization-promoted-substs, r=lcnr 
polymorphize: unevaluated constants

This PR makes polymorphization visit the promoted MIR of unevaluated constants with available promoted MIR instead of visiting the substitutions of that constant - which will mark all of the generic parameters as used; in addition polymorphization will now visit non-promoted unevaluated constants rather than visit their substs.

r? @lcnr
 2020-08-08 15:57:12 +00:00
Nazım Can Altınova
4cd2637e2b
Update the tracking issue number of map_into_keys_values 2020-08-08 16:35:54 +02:00
Amanieu d'Antras
99f0052151 Update hashbrown to 0.8.2 2020-08-08 15:03:47 +01:00
Alexis Bourget
1cd8dffdae Add an example about the behaviour of move and Fn* traits 2020-08-08 15:57:17 +02:00
Nazım Can Altınova
1cdce3919f
Remove min/max values from IntoValues Iterator implementation 2020-08-08 15:51:22 +02:00
bors
2bac92bba1 Auto merge of #74533 - nikic:issue-74425, r=eddyb 
Emit == null instead of <= null for niche check

When the niche maximum is zero, emit a "== zero" check instead of a "<= zero" check. In particular, this avoids the awkward case of "<= null". While LLVM does canonicalize this to "== null", this apparently doesn't happen for constant expressions, leading to the issue in #74425. While that can be addressed on the LLVM side, it still seems prudent to emit sensible IR here, because this will allow null checks to be optimized earlier in the pipeline.

Fixes #74425.
 2020-08-08 13:33:53 +00:00
Slanterns
d8cf9aa693
Use & instead of let ref in E0502 
`ref` on an entire `let` pattern is discouraged, take a reference with `&` instead.
 2020-08-08 20:26:56 +08:00
Alexis Bourget
6d77e40afe Move to intra-doc links in library/std/src/path.rs 2020-08-08 14:21:27 +02:00
aticu
c2099b5f28 Add safety section to NonNull::as_* method docs 
This basically adds the safety section of `*mut T::as_{ref,mut}` to the
same methods on `NonNull` with minor modifications to fit the
differences.

Part of #48929.
 2020-08-08 13:36:19 +02:00
Bastian Kauschke
ad6d23777b
fix min_const_generics version 2020-08-08 13:35:42 +02:00
bors
c989ac132a Auto merge of #74289 - lzutao:unroll, r=LukasKalbertodt 
Remove some redundant parts from `unrolled_find_u16s`

See each commit message for details.

r? @wesleywiser from old PR #67705 .
 2020-08-08 11:34:18 +00:00
Ivan Tham
4b15b809eb
Remove abmiguity from PathBuf pop example 2020-08-08 18:28:55 +08:00
Ivan Tham
b3ae88f6bb
Use assert! for Path exists example to check bool 2020-08-08 18:23:18 +08:00
Ivan Tham
9532b83912
Show Path extension example change multi extension 2020-08-08 18:14:29 +08:00
Ivan Tham
e7e41a8465
Add additonal case for Path starts with 
Show what happens if there is an extra extension
 2020-08-08 18:06:04 +08:00
Ivan Tham
6dffd2d18e
Separate example for Path strip_prefix 2020-08-08 18:01:34 +08:00
Ivan Tham
a11c27925d
Show relative example for Path ancestors 2020-08-08 17:53:16 +08:00
bors
c92fc8db8b Auto merge of #75282 - RalfJung:miri-black-box, r=oli-obk 
do not call black_box on Miri

Helps with https://github.com/rust-lang/rust/issues/75274 (but https://github.com/rust-lang/rust/pull/74932 introduced unrelated breakage that will need a separate fix)
Cc @eggyal r? @Mark-Simulacrum
 2020-08-08 09:46:16 +00:00
strom-und-spiele
7e68b7d10a Update E0271.md 
remove references to non existing code,
expand solution suggestions
remove unneeded code in solution
 2020-08-08 11:01:34 +02:00
Ralf Jung
8385146ffa make black_box a NOP in Miri 2020-08-08 10:50:30 +02:00
Nikita Popov
7e5c7cf8e3 Emit == null instead of <= null 
When the niche maximum is zero, emit a "== zero" check instead of
a "<= zero" check. In particular, this avoid the awkward case of
"<= null". While LLVM does canonicalize this to "!= null", this
appently doesn't happen for constant expressions, leading to the
issue in #74425. While that can be addressed on the LLVM side, it
still seems prudent to emit sensible IR here, because this will
allow null checks to be optimized earlier in the pipeline.

Fixes #74425.
 2020-08-08 10:45:15 +02:00
bors
d19d7e2755 Auto merge of #75257 - ssomers:btree_74762_again, r=Mark-Simulacrum 
BTreeMap: better way to postpone root access in DrainFilter

A slightly more elegant (in my opinion) adaptation of #74762. Benchmarks seem irrationally pleased to:
```
benchcmp old new --threshold 5
 name                                           old ns/iter  new ns/iter  diff ns/iter   diff %  speedup
 btree::map::clone_fat_100_and_remove_all       215,182      185,052           -30,130  -14.00%   x 1.16
 btree::map::clone_fat_100_and_remove_half      139,667      127,945           -11,722   -8.39%   x 1.09
 btree::map::clone_fat_val_100_and_remove_all   96,755       81,279            -15,476  -16.00%   x 1.19
 btree::map::clone_fat_val_100_and_remove_half  64,678       56,911             -7,767  -12.01%   x 1.14
 btree::map::find_rand_100                      18           17                     -1   -5.56%   x 1.06
 btree::map::first_and_last_0                   33           35                      2    6.06%   x 0.94
 btree::map::first_and_last_100                 40           54                     14   35.00%   x 0.74
 btree::map::insert_rand_100                    45           42                     -3   -6.67%   x 1.07
 btree::map::insert_rand_10_000                 45           41                     -4   -8.89%   x 1.10
 btree::map::iter_0                             2,010        1,759                -251  -12.49%   x 1.14
 btree::map::iter_100                           3,514        2,764                -750  -21.34%   x 1.27
 btree::map::iter_10k                           4,018        3,768                -250   -6.22%   x 1.07
 btree::map::range_unbounded_unbounded          37,269       28,929             -8,340  -22.38%   x 1.29
 btree::map::range_unbounded_vs_iter            31,518       28,814             -2,704   -8.58%   x 1.09
```

r? @Mark-Simulacrum
 2020-08-08 07:46:04 +00:00
Marko Mijalkovic
27fca58993 Add back unwinding support for Sony PSP 2020-08-08 02:14:40 -04:00
bors
e61621c307 Auto merge of #74932 - nnethercote:rm-ast-session-globals, r=petrochenkov 
Remove `librustc_ast` session globals

By moving the data onto `Session`.

r? @petrochenkov
 2020-08-08 05:58:57 +00:00
bors
1d100ba26c Auto merge of #75276 - JohnTitor:rollup-rz4hs0w, r=JohnTitor 
Rollup of 7 pull requests

Successful merges:

 - #75224 (Don't call a function in function-arguments-naked.rs)
 - #75237 (Display elided lifetime for non-reference type in doc)
 - #75250 (make MaybeUninit::as_(mut_)ptr const)
 - #75253 (clean up const-hacks in int endianess conversion functions)
 - #75259 (Add missing backtick)
 - #75267 (Small cleanup)
 - #75270 (fix a couple of clippy findings)

Failed merges:

r? @ghost
 2020-08-08 03:54:33 +00:00
Yuki Okushi
21bfe529c7
Rollup merge of #75270 - matthiaskrgr:clippy_aug_1, r=Dylan-DPC 
fix a couple of clippy findings
 2020-08-08 11:36:12 +09:00
Yuki Okushi
81546de429
Rollup merge of #75267 - estebank:cleanup, r=Dylan-DPC 
Small cleanup

* Add docstring to `Parser` field
* Remove unnecessary `unwrap`
* Remove unnecessary borrow
* Fix indentation of some `teach`text output
 2020-08-08 11:36:10 +09:00
Yuki Okushi
2c1fe50362
Rollup merge of #75259 - giraffate:add_missing_backtick, r=lcnr 
Add missing backtick
 2020-08-08 11:36:09 +09:00
Yuki Okushi
02bf036c6c
Rollup merge of #75253 - RalfJung:cleanup-const-hack, r=oli-obk 
clean up const-hacks in int endianess conversion functions

Cleans up the const hacks added in https://github.com/rust-lang/rust/pull/69373.

r? @oli-obk
 2020-08-08 11:36:07 +09:00
Yuki Okushi
b032a15fa8
Rollup merge of #75250 - RalfJung:uninit-const-ptr, r=oli-obk 
make MaybeUninit::as_(mut_)ptr const

I think it was just an oversight that they are not const yet.

I also changed their implementation as the old one created references to uninitialized memory.^^
 2020-08-08 11:36:05 +09:00
Yuki Okushi
255434d83c
Rollup merge of #75237 - nbdd0121:rustdoc, r=jyn514 
Display elided lifetime for non-reference type in doc

In edition 2018 we encourage writing `<'_>` explicitly, so rustdoc should display like such as well.

Fixes #75225

~~Somehow when I run the compiled rustdoc using `cargo +stage2 doc` on other crates, it correctly produces `<'_>`, but I couldn't get the std doc to do the same with `./x.py doc --stage 2`. Might this be related to the recent change to x.py about how the doc is built?~~
 2020-08-08 11:36:03 +09:00