bors [Sat, 17 Dec 2022 03:11:39 +0000 (03:11 +0000)]
Auto merge of #105811 - ojeda:Dwarnings-no_fp_fmt_parse, r=Mark-Simulacrum
core: ensure `no_fp_fmt_parse` builds are warning-free
Rust recently introduced a new `unused_imports` warning in `no_fp_fmt_parse` builds, which was fixed in
https://github.com/rust-lang/rust/pull/105434.
To avoid accumulating more over time, let's keep the builds warning-free. This ensures projects compiling `core` with this custom config do not see the warnings in the future and that they can keep enabling `-Dwarnings`.
Similarly, https://github.com/rust-lang/rust/pull/98652 did it for `alloc`'s `no_global_oom_handling`.
bors [Sat, 17 Dec 2022 00:41:15 +0000 (00:41 +0000)]
Auto merge of #105804 - matthiaskrgr:rollup-iaqlbl3, r=matthiaskrgr
Rollup of 6 pull requests
Successful merges:
- #105493 (Help rust-analyzer normalize query return types)
- #105710 (Don't bug if we're trying to cast `dyn*` to another type)
- #105711 (bail in `collect_trait_impl_trait_tys` if signatures reference errors)
- #105768 (Detect inherent associated types not having CamelCase)
- #105780 (rustdoc: Don't add "Read more" link if there is no extra content)
- #105802 (Make enum-match.rs test robust against variable name changes)
Matthias Krüger [Fri, 16 Dec 2022 23:45:50 +0000 (00:45 +0100)]
Rollup merge of #105493 - WaffleLapkin:unchoke-r-a, r=Nilstrieb
Help rust-analyzer normalize query return types
See [zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Frust-analyzer/topic/rustc.20query.20types.20are.20not.20normalized.20since.20recently/near/312686086), since https://github.com/rust-lang/rust/pull/103808, rust analyzer doesn't normalize return types of queries. This is because r-a doesn't support associated type defaults (yet).
The easiest fix is to not use associated type defaults (duh), which this PR does.
Miguel Ojeda [Fri, 16 Dec 2022 23:19:59 +0000 (00:19 +0100)]
core: ensure `no_fp_fmt_parse` builds are warning-free
Rust recently introduced a new `unused_imports` warning
in `no_fp_fmt_parse` builds, which was fixed in
https://github.com/rust-lang/rust/pull/105434.
To avoid accumulating more over time, let's keep the builds
warning-free. This ensures projects compiling `core` with
this custom config do not see the warnings in the future
and that they can keep enabling `-Dwarnings`.
Similarly, https://github.com/rust-lang/rust/pull/98652 did it
for `alloc`'s `no_global_oom_handling`.
bors [Fri, 16 Dec 2022 21:08:45 +0000 (21:08 +0000)]
Auto merge of #102318 - Amanieu:default_alloc_error_handler, r=oli-obk
Stabilize default_alloc_error_handler
Tracking issue: #66741
This turns `feature(default_alloc_error_handler)` on by default, which causes the compiler to automatically generate a default OOM handler which panics if `#[alloc_error_handler]` is not provided.
The FCP completed over 2 years ago but the stabilization was blocked due to an issue with unwinding. This was fixed by #88098 so stabilization can be unblocked.
bors [Fri, 16 Dec 2022 18:06:10 +0000 (18:06 +0000)]
Auto merge of #105018 - zertosh:path_buf_deref_mut, r=dtolnay
Implement DerefMut for PathBuf
Without this, there's no way to get a `&mut Path` from `PathBuf` without
going through `into_boxed_path`. This is relevant now that #105002 adds
`PathBuf::as_mut_os_string` and `Path::as_mut_os_str`.
Michael Howell [Fri, 16 Dec 2022 17:11:37 +0000 (10:11 -0700)]
rustdoc: clean up margin CSS for scraped examples
* This stops applying a margin to the additional example links.
Because these links are `display: inline`, it doesn't actually do anything.
* This switches from using a margin-bottom with a special exception for
the examples themselves, plus an additional margin on the hide button,
to instead using just margin-top on the examples, with an exception for
the first one.
Eric Wu [Fri, 16 Dec 2022 15:22:29 +0000 (10:22 -0500)]
fix logic in IncrementVisitor
There used to be a logical bug where IncrementVisitor would
completely stop checking an expression/block after seeing a continue
statement. This led to issue #10058 where a variable incremented
(or otherwise modified) after any continue statement would still be
considered incremented only once.
The solution is to continue scanning the expression after seeing a
`continue` statement, but increment self.depth so that the Visitor
thinks that the rest of the loop is within a conditional.
Matthias Krüger [Fri, 16 Dec 2022 13:02:18 +0000 (14:02 +0100)]
Rollup merge of #105744 - Ezrashaw:e0158-clarity, r=GuillaumeGomez
Rewrite `E0158` error-code docs for clarity
Fixes #105585.
The `E0158` error-code docs are unclear. It doesn't explain all three different variants of the error and doesn't explain *why* the error occurs. This PR cleans it up a bit and brings it properly into line with [RFC1567](https://rust-lang.github.io/rfcs/1567-long-error-codes-explanation-normalization.html).
I'm a first time Rust contributor so I've probably not got it quite right. I also haven't run the whole build process because I assume that my minor docs changes shouldn't break everything.
bors [Fri, 16 Dec 2022 09:30:56 +0000 (09:30 +0000)]
Auto merge of #105763 - Ezrashaw:rustc-book-relative-links, r=jyn514
Use relative links in the unstable and rustc book
Fixes #98227.
As it stands, potential issues could arise from mismatch of stable/ nightly in the books. This PR fixes this issue by using relative links instead of absolute ones. I have replaced every absolute link under `src/doc/rustc` and `src/doc/unstable-book/` and tested each manually.
The link at `src/doc/rustc/src/targets/index.md:7`:
`[here](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_target/spec/struct.Target.html).`
I need help with because my local directory structure and https://doc.rust-lang.org/ seem to be different, where is `nightly-rustc`?
bors [Thu, 15 Dec 2022 22:53:03 +0000 (22:53 +0000)]
Auto merge of #105760 - matthiaskrgr:rollup-r8beo9w, r=matthiaskrgr
Rollup of 8 pull requests
Successful merges:
- #105481 (Start improving monomorphization items stats)
- #105674 (Point at method chains on `E0271` errors)
- #105679 (Suggest constraining type parameter with `Clone`)
- #105694 (Don't create dummy if val has escaping bounds var)
- #105727 (Tweak output for bare `dyn Trait` in arguments)
- #105739 (Migrate Jump to def links background to CSS variable)
- #105743 (`SimplifiedType` cleanups)
- #105758 (Move `TypeckResults` to separate module)
Matthias Krüger [Thu, 15 Dec 2022 21:03:01 +0000 (22:03 +0100)]
Rollup merge of #105758 - Nilstrieb:typeck-results-mod, r=compiler-errors
Move `TypeckResults` to separate module
`ty::context` is really big and the typeck results aren't directly related to `TyCtxt`, so move them to a separate module. Also contains a small drive-by macro "improvement".
Matthias Krüger [Thu, 15 Dec 2022 21:02:57 +0000 (22:02 +0100)]
Rollup merge of #105481 - lqd:mono-stats, r=wesleywiser
Start improving monomorphization items stats
As described in [this zulip discussion](https://rust-lang.zulipchat.com/#narrow/stream/247081-t-compiler.2Fperformance/topic/Compile-time.20case-study.3A.20AWS.20crates/near/314560832), some stats about monomorphization collection would be interesting to have, in a different form than `-Zprint-mono-items`: to have some visibility into the cost of the mono items, we'd like to know how many are instantiated and what is their estimated size.
That can be a proxy to analyze sources of slow compile times, although in the future, we'd also like to add more realistic stats from the actual backend's lowering.
This PR adds a new `-Z dump-mono-stats` flag which will output some stats in a `{crate_name}.mono-items.md` file (the flag optionally takes an output directory parameter, for easier use within a workspace than printing to stdout).
For example,
```rust
fn compute<T>(collection: Vec<T>) -> usize {
collection.len() + 19 - 0 * 9 - 18 - 1 * 1 // random code to increase the function's size
}
bors [Thu, 15 Dec 2022 19:59:48 +0000 (19:59 +0000)]
Auto merge of #105356 - JakobDegen:more-custom-mir, r=oli-obk
Custom MIR: Many more improvements
Commits are each atomic changes, best reviewed one at a time, with the exception that the last commit includes all the documentation.
### First commit
Unsafetyck was not correctly disabled before for `dialect = "built"` custom MIR. This is fixed and a regression test is added.
### Second commit
Implements `Discriminant`, `SetDiscriminant`, and `SwitchInt`.
### Third commit
Implements indexing, field, and variant projections.
### Fourth commit
Documents the previous commits and everything else.
There is some amount of weirdness here due to having to beat Rust syntax into cooperating with MIR concepts, but it hopefully should not be too much. All of it is documented.
bors [Thu, 15 Dec 2022 17:04:25 +0000 (17:04 +0000)]
Auto merge of #104616 - RalfJung:ctfe-alignment, r=oli-obk,RalfJung
always check alignment during CTFE
We originally disabled alignment checks because they got in the way -- there are some things we do with the interpreter during CTFE which does not correspond to actually running user-written code, but is purely administrative, and we didn't want alignment checks there, so we just disabled them entirely. But with `-Zextra-const-ub-checks` we anyway had to figure out how to disable those alignment checks while doing checks in regular code. So now it is easy to enable CTFE alignment checking by default. Let's see what the perf consequences of that are.
bors [Thu, 15 Dec 2022 16:12:12 +0000 (16:12 +0000)]
Auto merge of #10073 - xFrednet:changelog-1-66, r=Alexendoo
Changelog 1.66
It's really nice to see a changelog with so many suggestion fixes and improvements. Not much else to say. This should be merged with the coming release on 2022-12-15. For the reviewer, please review it and approve it if it looks good. The merge should wait until the release :)
bors [Thu, 15 Dec 2022 12:04:30 +0000 (12:04 +0000)]
Auto merge of #9927 - xFrednet:0000-rustc-tool-macro-update, r=matthiaskrgr
Cleanup `rustc_tool_util` and add a convenient macro for `build.rs`
changelog: none
<!-- changelog_checked -->
If possible, I'd like to have a new release for this, maybe `v0.3.0` to use the changes in another project. Then we can also remove the `path = "./rustc_tools_util"` from `Cargo.toml`. I'd be happy to help with the release on crates.io if you'd like the help :)
Added along with theme picker changes in https://github.com/rust-lang/rust/pull/47686/files#diff-7dc22a0530802d77c2f2ec9e834024a5657b6eab4055520fca46edc99a544413R1144, but no reason seems to have been given at the time for why this particular rule was added.
Removing this rule results in `<kbd>` elements getting an I-bar, while the rule causes them to use the "default" arrow, but since selecting the text in these elements works fine, the I-bar is not misleading.
Matthias Krüger [Thu, 15 Dec 2022 11:46:02 +0000 (12:46 +0100)]
Rollup merge of #105683 - JakobDegen:dest-prop-storage, r=tmiasko
Various cleanups to dest prop
This makes fixing the issues identified in #105577 easier. A couple changes
- Use an enum with names instead of a bool
- Only call `remove_candidates_if` from one place instead of two. Doing it from two places is far too fragile, since any divergence in the behavior between those callsites is likely to be unsound.
- Remove `is_constant`. Right now we only merge locals, so this doesn't do anything, and the logic would be wrong if it did.
Matthias Krüger [Thu, 15 Dec 2022 11:46:01 +0000 (12:46 +0100)]
Rollup merge of #105627 - compiler-errors:dyn-auto-suggestable, r=davidtwco
Auto traits in `dyn Trait + Auto` are suggestable
Not sure why I had made the `IsSuggestableVisitor` have that rule to not consider `dyn Trait + Auto` to be suggestable.
It's possible that this was done because of the fact that we don't print the right parentheses for `&(dyn Trait + Auto)`, but that's a problem with printing these types in general that we probably have tracked somewhere else...
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