Rollup merge of #102216 - ehuss:rustdoc-diagnostic-width, r=notriddle
rustdoc: Stabilize --diagnostic-width
This stabilizes the `--diagnostic-width` flag for rustdoc. This flag was stabilized in rustc in #95635, but it isn't clear from the discussion there why it wasn't stabilized in rustdoc. I believe this flag works as expected, following the same behavior as rustc.
I'd like to stabilize this so that the same support can be stabilized in cargo, and it would help simplify things if both rustc and rustdoc supported it.
Rollup merge of #102161 - compiler-errors:issue-102138, r=tmandry
Resolve async fn signature even without body (e.g., in trait)
Fixes #102138
This "bail if no body" behavior was introduced in #69539 to fix #69401, but that ICE does not reproduce any more. The error message changes a bit, but that's all, and I don't think it's a particularly diagnostic bad regression.
Rollup merge of #102016 - lcnr:given-OutlivesEnvironment, r=jackh726
implied_bounds: deal with inference vars
fixes #101951
while computing implied bounds for `<<T as ConstructionFirm>::Builder as BuilderFn<'_>>::Output` normalization replaces a projection with an inference var (adding a `Projection` obligation). Until we prove that obligation, this inference var remains unknown, which caused us to miss an implied bound necessary to prove that the unnormalized projection from the trait method signature is wf.
Auto merge of #99609 - workingjubilee:lossy-unix-strerror, r=thomcc
Recover error strings on Unix from_lossy_utf8
Some language settings can result in unreliable UTF-8 being produced.
This can result in failing to emit the error string, panicking instead.
from_lossy_utf8 allows us to assume these strings usually will be fine.
make Condvar, Mutex, RwLock const constructors work with the `unsupported` impl
applying this patch locally to the `rust-src` component fixes #98378
however, the solution seems wrong to me because PR #97791 didn't add any `rustc_const_stable` attribute to underlying implementations like `std::sys::unix::futex`, so I must be missing something about how const-stability is checked ... maybe the `restricted_std` feature (gate?) has an effect?
Auto merge of #98483 - dvtkrlbs:bootstrap-dist, r=jyn514
Distribute bootstrap in CI
This pre-compiles bootstrap from source and adds it to the existing `rust-dev` component. There are two main goals here:
1. Make it faster to build rust from source, both the first time and incrementally
2. Make it easier to add non-python entrypoints, since they can call out to bootstrap directly rather than having to figure out the right flags to pre-compile it. This second part is still in a bit of flux, see the tracking issue below for more information.
There are also several changes to make bootstrap able to run on a machine other than the one it was built (particularly around `config.src` and `config.out` detection). I (`@jyn514)` am slightly concerned these will regress unless tested - maybe we should add an automated test that runs bootstrap in a chroot or something? Unclear whether the effort is worth the test coverage.
Helps with https://github.com/rust-lang/rust/issues/94829.
This rule became redundant in 07e3f998b1ceb4b8d2a7992782e60f5e776aa114. When `#source-sidebar` became nested below `.sidebar`, it went from being `position: fixed` to `position: static`, and according to MDN's [z-index] documentation, this means it has no effect.
Rollup merge of #102186 - ink-feather-org:const_try_trait, r=fee1-dead
Add const_closure, Constify Try trait
Adds a struct for creating const `FnMut` closures (for now just copy pasted form my [const_closure](https://crates.io/crates/const_closure) crate).
I'm not sure if this way is how it should be done.
The `ConstFnClosure` and `ConstFnOnceClosure` structs can probably also be entirely removed.
This is then used to constify the try trait.
Not sure if i should add const_closure in its own pr and maybe make it public behind a perma-unstable feature gate.
cc ```@fee1-dead``` ```@rust-lang/wg-const-eval```
Rollup merge of #100823 - WaffleLapkin:less_offsets, r=scottmcm
Refactor some `std` code that works with pointer offstes
This PR replaces `pointer::offset` in standard library with `pointer::add` and `pointer::sub`, [re]moving some casts and using `.addr()` while we are at it.
This is a more complicated refactor than all other sibling PRs, so take a closer look when reviewing, please 😃 (though I've checked this multiple times and it looks fine).
Rollup merge of #102218 - ehuss:rustc-flags, r=JohnTitor
Document some missing command-line arguments
The rustc command-line arguments docs should document all of the stable arguments for rustc. Two were missing, `--force-warn` which was somewhat documented in the lint-levels chapter, but should also include a mention in the arguments list. `--diagnostic-width` was stabilized in #95635, but the docs weren't updated.
Rollup merge of #102146 - notriddle:notriddle/sidebar-jank, r=GuillaumeGomez
rustdoc: CSS prevent sidebar width change jank
This commit makes the `width` and `min-width` of the sidebar the same. They originally were when cad0fce2053d52b7ba04c458f4c124c8b5c6141e added the `min-width` rule, but 6a5f8b1aef1417d7dc85b5d0a229d2db1930eb7c changed the `width` without changing the `min-width`, causing it to sometimes oscilate between 200 and 250 pixels depending on the main content.
# Before
[Screencast from 09-22-2022 10:25:29 AM.webm](https://user-images.githubusercontent.com/1593513/191813469-ea00f30f-6f49-40fc-9a26-e1dfd5068d2b.webm)
# After
[Screencast from 09-22-2022 10:32:20 AM.webm](https://user-images.githubusercontent.com/1593513/191813642-ae0902da-5262-403a-bbdf-995334201acb.webm)
Rollup merge of #102044 - ChrisDenton:BCrypt-system-rand, r=thomcc
Remove `RtlGenRandom` (take two)
First try to use the system preferred RNG but if that fails (e.g. due to a broken system configuration) then fallback to manually opening an algorithm handle.
Auto merge of #100845 - timvermeulen:iter_compare, r=scottmcm
Use internal iteration in `Iterator` comparison methods
Updates the `Iterator` methods `cmp_by`, `partial_cmp_by`, and `eq_by` to use internal iteration on `self`. I've also extracted their shared logic into a private helper function `iter_compare`, which will either short-circuit once the comparison result is known or return the comparison of the lengths of the iterators.
This change also indirectly benefits calls to `cmp`, `partial_cmp`, `eq`, `lt`, `le`, `gt`, and `ge`.
Unsurprising benchmark results: iterators that benefit from internal iteration (like `Chain`) see a speedup, while other iterators are unaffected.
```
name before ns/iter after ns/iter diff ns/iter diff % speedup
iter::bench_chain_partial_cmp 208,301 54,978 -153,323 -73.61% x 3.79
iter::bench_partial_cmp 55,527 55,702 175 0.32% x 1.00
iter::bench_lt 55,502 55,322 -180 -0.32% x 1.00
```
Fix clippy's const fn stability check for CURRENT_RUSTC_VERSION
Since clippy can use a projects MSRV for its lints, it might not want
to consider functions as const stable if they have been added lately.
Functions that have been stabilized this version use
CURRENT_RUSTC_VERSION as their version, which gets then turned into the
current version, which might be something like `1.66.0-dev`. The version
parser cannot deal with this version, so it has to be stripped off.
Since `len` and `is_empty` are not const stable yet, this also
creates a new feature for them since they previously used the same
`const_btree_new` feature.
This rule became redundant in 07e3f998b1ceb4b8d2a7992782e60f5e776aa114.
When `#source-sidebar` became nested below `.sidebar`, it went from being
`position: fixed` to `position: static`, and according to MDN's [z-index]
documentation, this means it has no effect.
Michael Howell [Fri, 23 Sep 2022 17:32:17 +0000 (10:32 -0700)]
rustdoc: remove no-op mobile CSS `#source-sidebar { z-index: 11 }`
This rule became redundant in 07e3f998b1ceb4b8d2a7992782e60f5e776aa114.
When `#source-sidebar` became nested below `.sidebar`, it went from being
`position: fixed` to `position: static`, and according to MDN's [z-index]
documentation, this means it has no effect.
Auto merge of #102192 - matthiaskrgr:rollup-0ctjzco, r=matthiaskrgr
Rollup of 7 pull requests
Successful merges:
- #102094 (Add missing documentation for `bool::from_str`)
- #102115 (Add examples to `bool::then` and `bool::then_some`)
- #102134 (Detect panic strategy using `rustc --print cfg`)
- #102137 (Don't convert valtree to constvalue during normalization)
- #102148 (add regression test for miri issue 2433)
- #102158 (rustdoc: clean up CSS/DOM for deprecation warnings)
- #102177 (Fix a typo in `std`'s root docs)
Michael Howell [Thu, 22 Sep 2022 17:25:54 +0000 (10:25 -0700)]
rustdoc: CSS prevent sidebar width change jank
This commit makes the `width` and `min-width` of the sidebar the same. They
originally were when cad0fce2053d52b7ba04c458f4c124c8b5c6141e added the
`min-width` rule, but 6a5f8b1aef1417d7dc85b5d0a229d2db1930eb7c changed the
width without changing the `min-width`, causing it to sometimes oscilate
between 200 and 250 pixels depending on the main content.
Rollup merge of #102177 - inquisitivecrystal:std-doc-typo, r=Dylan-DPC
Fix a typo in `std`'s root docs
Remarkably, this typo has been present for *seven years.* I was so surprised that I reread the text five times and then asked people on the rust Zulip to double-check. :)
Rollup merge of #102134 - flba-eb:master, r=bjorn3
Detect panic strategy using `rustc --print cfg`
Instead of relying on a command line parameter, detect if a target is able to unwind or not.
Ignore tests that require unwinding on targets that don't support it.
I did not find any place where the removed parameter has been used, but it feels a bit risky as
I'm new to this test framework.
Rollup merge of #102115 - Alfriadox:master, r=thomcc
Add examples to `bool::then` and `bool::then_some`
Added examples to `bool::then` and `bool::then_some` to show the distinction between the eager evaluation of `bool::then_some` and the lazy evaluation of `bool::then`.
Auto merge of #102056 - b-naber:unevaluated, r=lcnr
Introduce mir::Unevaluated
Previously the distinction between unevaluated constants in the type-system and in mir was not explicit and a little confusing. Probably better to introduce its own type for that.
Auto merge of #102165 - matthiaskrgr:rollup-n5oquhe, r=matthiaskrgr
Rollup of 8 pull requests
Successful merges:
- #100734 (Split out async_fn_in_trait into a separate feature)
- #101664 (Note if mismatched types have a similar name)
- #101815 (Migrated the rustc_passes annotation without effect diagnostic infrastructure)
- #102042 (Distribute rust-docs-json via rustup.)
- #102066 (rustdoc: remove unnecessary `max-width` on headers)
- #102095 (Deduplicate two functions that would soon have been three)
- #102104 (Set 'exec-env:RUST_BACKTRACE=0' in const-eval-select tests)
- #102112 (Allow full relro on powerpc64-unknown-linux-gnu)
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