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Author SHA1 Message Date
Matthias Krüger
3142e6f0b1
Rollup merge of #105757 - notriddle:notriddle/sub-settings, r=GuillaumeGomez 
rustdoc: remove unused CSS `.sub-settings`

Obsoleted when 9625ed8be7 changed the DOM.
 2022-12-16 14:02:20 +01:00
Matthias Krüger
0820bb2826
Rollup merge of #105756 - notriddle:notriddle/example-wrap-tooltip, r=GuillaumeGomez 
rustdoc: simplify CSS for codeblock tooltips

Instead of making its parts `display: none` and then changing it on hover, just make the pseudo-element itself on hover.
 2022-12-16 14:02:19 +01:00
Matthias Krüger
1ad070a118
Rollup merge of #105748 - hakoerber:master, r=Dylan-DPC 
doc: Fix a few small issues

Hey, while reading through the (awesome) stdlib docs, I found a few minor typos.

* A few typos around generic types (`;` vs `,`)
* Use inline code formatting for code fragments
* One instance of wrong wording
 2022-12-16 14:02:19 +01:00
Matthias Krüger
cc04e97cfb
Rollup merge of #105747 - chenyukang:yukang/fix-105732-auto-trait, r=compiler-errors 
Fix ICE calling method on auto trait

Fixes #105732
r? `@compiler-errors`
 2022-12-16 14:02:18 +01:00
Matthias Krüger
3b9aea967f
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.
 2022-12-16 14:02:18 +01:00
Matthias Krüger
22797ef6b2
Rollup merge of #105725 - fee1-dead-contrib:allow-impl-const-trait, r=oli-obk 
Allow `impl ~const Trait` opaque types
 2022-12-16 14:02:17 +01:00
bors
01ef4b21dc 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`?

`@jyn514`
 2022-12-16 09:30:56 +00:00
bors
a803f313fd Auto merge of #105717 - compiler-errors:anonymize, r=jackh726 
always use `anonymize_bound_vars`

Unless this is perf-sensitive, it's probably best to always use one anonymize function that does the right thing for all bound vars.

r? types
 2022-12-16 06:45:08 +00:00
bors
39b2a41b39 Auto merge of #104334 - compiler-errors:ufcs-sugg-wrong-def-id, r=estebank 
Use impl's def id when calculating type to specify in UFCS

Fixes #104327
Fixes #104328

Also addresses https://github.com/rust-lang/rust/pull/102670#discussion_r987381197
 2022-12-16 03:57:10 +00:00
bors
7a6af2711b 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)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
 2022-12-15 22:53:03 +00:00
Ezra Shaw
9ea3550a26
remove relative links from rustc-book and unstable-book 
Co-authored-by: Joshua Nelson <github@jyn.dev>
 2022-12-16 11:44:07 +13:00
yukang
605f77b7d0 fix #105732, Fix ICE calling method on auto trait 2022-12-16 05:55:26 +08:00
Matthias Krüger
2e03ff1b35
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".
 2022-12-15 22:03:01 +01:00
Matthias Krüger
0f90ea9a61
Rollup merge of #105743 - nnethercote:SimplifiedType-cleanups, r=lcnr 
`SimplifiedType` cleanups

r? `@lcnr`
 2022-12-15 22:03:01 +01:00
Matthias Krüger
0fbaf760ed
Rollup merge of #105739 - GuillaumeGomez:migrate-jump-to-def-link-to-css-var, r=notriddle 
Migrate Jump to def links background to CSS variable

It's already tested in `src/test/rustdoc-gui/jump-to-def-background.goml`.

r? `@notriddle`
 2022-12-15 22:03:00 +01:00
Matthias Krüger
abfad27fbc
Rollup merge of #105727 - estebank:use-impl-trait, r=oli-obk 
Tweak output for bare `dyn Trait` in arguments

Fix #35825.
 2022-12-15 22:02:59 +01:00
Matthias Krüger
24e584b991
Rollup merge of #105694 - ouz-a:issue_105689, r=estebank 
Don't create dummy if val has escaping bounds var

Skips creating/pushing obligations if val has escaping bounds vars.

Fixes #105689
 2022-12-15 22:02:59 +01:00
Matthias Krüger
86cedb4062
Rollup merge of #105679 - estebank:suggest-clone, r=compiler-errors 
Suggest constraining type parameter with `Clone`

Fix #34896.
 2022-12-15 22:02:58 +01:00
Matthias Krüger
622f56065e
Rollup merge of #105674 - estebank:iterator-chains, r=oli-obk 
Point at method chains on `E0271` errors

Follow up to #105332. Fix #33941. CC #9082.

r? `@oli-obk`
 2022-12-15 22:02:58 +01:00
Matthias Krüger
863d1f653a
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
}

fn main() {
    dbg!(compute(vec![0u8, 1, 2]));
    dbg!(compute(vec![0u64, 1, 2]));
    dbg!(compute(vec!["0", "1", "2", "3"]));
}
```

will output a file with this markdown table (abridged for readability), for a debug build:

| Item | Instantiation count | Estimated Cost Per Instantiation | Total Estimated Cost |
| --- | ---: | ---: | ---: |
| alloc::alloc::box_free | 3 | 122 | 366 |
| std::alloc::Global::alloc_impl | 1 | 284 | 284 |
| alloc::raw_vec::RawVec::<T, A>::current_memory | 3 | 82 | 246 |
| std::ptr::align_offset | 1 | 222 | 222 |
| std::slice::hack::into_vec | 3 | 67 | 201 |
| <std::vec::Vec<T, A> as std::ops::Drop>::drop | 3 | 66 | 198 |
| std::ptr::mut_ptr::<impl *mut T>::is_null | 4 | 47 | 188 |
| main | 1 | 163 | 163 |
| std::ptr::NonNull::<T>::new_unchecked | 4 | 37 | 148 |
...

<details>
<summary>Click for full output</summary>

| Item | Instantiation count | Estimated Cost Per Instantiation | Total Estimated Cost |
| --- | ---: | ---: | ---: |
| alloc::alloc::box_free | 3 | 122 | 366 |
| std::alloc::Global::alloc_impl | 1 | 284 | 284 |
| alloc::raw_vec::RawVec::<T, A>::current_memory | 3 | 82 | 246 |
| std::ptr::align_offset | 1 | 222 | 222 |
| std::slice::hack::into_vec | 3 | 67 | 201 |
| <std::vec::Vec<T, A> as std::ops::Drop>::drop | 3 | 66 | 198 |
| std::ptr::mut_ptr::<impl *mut T>::is_null | 4 | 47 | 188 |
| main | 1 | 163 | 163 |
| std::ptr::NonNull::<T>::new_unchecked | 4 | 37 | 148 |
| std::boxed::Box::<T, A>::into_unique | 3 | 48 | 144 |
| std::boxed::Box::<T, A>::leak | 3 | 39 | 117 |
| std::alloc::Layout::array::inner | 1 | 107 | 107 |
| std::ptr::align_offset::mod_inv | 1 | 103 | 103 |
| std::boxed::Box::<T, A>::into_raw_with_allocator | 3 | 31 | 93 |
| std::fmt::Arguments::<'a>::new_v1 | 1 | 80 | 80 |
| <alloc::raw_vec::RawVec<T, A> as std::ops::Drop>::drop | 3 | 26 | 78 |
| alloc::raw_vec::RawVec::<T, A>::from_raw_parts_in | 3 | 26 | 78 |
| alloc::alloc::exchange_malloc | 1 | 75 | 75 |
| std::ptr::const_ptr::<impl *const T>::is_null | 1 | 75 | 75 |
| std::ptr::const_ptr::<impl *const T>::is_aligned_to | 1 | 64 | 64 |
| compute | 3 | 20 | 60 |
| std::ptr::const_ptr::<impl *const T>::align_offset | 1 | 55 | 55 |
| std::ptr::read | 1 | 52 | 52 |
| <std::alloc::Global as std::alloc::Allocator>::deallocate | 1 | 50 | 50 |
| std::ptr::mut_ptr::<impl *mut T>::guaranteed_eq | 1 | 48 | 48 |
| std::fmt::ArgumentV1::<'a>::new_display | 2 | 22 | 44 |
| std::ptr::Alignment::new_unchecked | 1 | 42 | 42 |
| core::fmt::num::<impl std::fmt::Debug for usize>::fmt | 1 | 40 | 40 |
| std::result::Result::<T, E>::unwrap_unchecked | 1 | 37 | 37 |
| std::cmp::Ord::min | 1 | 32 | 32 |
| std::cmp::impls::<impl std::cmp::Ord for usize>::cmp | 1 | 31 | 31 |
| std::intrinsics::is_aligned_and_not_null | 1 | 27 | 27 |
| std::rt::lang_start | 1 | 27 | 27 |
| std::ptr::NonNull::<T>::new | 1 | 24 | 24 |
| std::fmt::ArgumentV1::<'a>::new_debug | 1 | 22 | 22 |
| std::fmt::Arguments::<'a>::new_v1_formatted | 1 | 19 | 19 |
| std::rt::lang_start::{closure#0} | 1 | 17 | 17 |
| std::sys_common::backtrace::__rust_begin_short_backtrace | 1 | 16 | 16 |
| std::slice::<impl [T]>::into_vec | 3 | 5 | 15 |
| <std::ptr::NonNull<T> as std::convert::From<std::ptr::Unique<T>>>::from | 1 | 14 | 14 |
| <&T as std::fmt::Debug>::fmt | 1 | 12 | 12 |
| <&T as std::fmt::Display>::fmt | 1 | 12 | 12 |
| std::vec::Vec::<T, A>::len | 3 | 2 | 6 |
| <T as std::convert::Into<U>>::into | 1 | 5 | 5 |
| <T as std::convert::From<T>>::from | 1 | 2 | 2 |
| <() as std::process::Termination>::report | 1 | 2 | 2 |
| std::hint::unreachable_unchecked | 1 | 2 | 2 |
| core::fmt::UnsafeArg::new | 1 | 1 | 1 |

</details>

Since we discussed it together, r? `@wesleywiser.`
 2022-12-15 22:02:57 +01:00
bors
ec56537c43 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.

r? `@oli-obk`
 2022-12-15 19:59:48 +00:00
Esteban Küber
2492235c32 Consider lifetimes when comparing assoc types in method chain 
Do not say "Type changed to X here" when the only difference is caused
by lifetimes.
 2022-12-15 11:47:40 -08:00
Esteban Küber
3b938f73f3 Trim paths in E0599 2022-12-15 11:47:40 -08:00
Nilstrieb
651e41c14c Move TypeckResults to seperate module 2022-12-15 20:45:35 +01:00
Nilstrieb
153419b78f Small cleanup in parameterized 2022-12-15 20:41:07 +01:00
Ezra Shaw
fded03ee2d
docs: rewrite E0158 error-code docs for clarity 2022-12-16 08:36:40 +13:00
Michael Howell
88aaaa6135 rustdoc: remove unused CSS .sub-settings 
Obsoleted when 9625ed8be7 changed the DOM.
 2022-12-15 12:27:32 -07:00
Esteban Küber
4d4d4786f9 Shorten trimmed display of closures 
When `with_forced_trimmed_paths` is used, only print filename and start
of the closure's span, to reduce their verbosity.
 2022-12-15 11:13:44 -08:00
Esteban Küber
30ae261c42 Use with_forced_trimmed_paths more 2022-12-15 11:13:44 -08:00
Esteban Küber
294944dfec Point at method chains on E0271 errors 2022-12-15 11:13:44 -08:00
Michael Howell
f28a8ca1dc rustdoc: simplify CSS for codeblock tooltips 
Instead of making its parts `display: none` and then changing it on hover,
just make the pseudo-element itself on hover.
 2022-12-15 12:05:27 -07:00
Guillaume Gomez
8ae479a02b Migrate Jump to def links background to CSS variable 2022-12-15 19:49:48 +01:00
Esteban Küber
e1b340195a Suggest #[derive(Clone)] 2022-12-15 10:27:05 -08:00
Esteban Küber
f19488064a Suggest constraining type parameter with Clone 
Fix #34896.
 2022-12-15 10:15:41 -08:00
bors
4954a7ef5c 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.

r? `@oli-obk`
 2022-12-15 17:04:25 +00:00
Oli Scherer
2d89027fac Make the test actually emit the future incompat lint 2022-12-15 16:54:00 +00:00
Ralf Jung
5a06b1e67c simplify alignment_check_failed a bit 2022-12-15 16:48:30 +00:00
Oli Scherer
2b2170384d Fix docs 2022-12-15 16:48:29 +00:00
Oli Scherer
b05c790fd6 Reuse the ctfe error emitting logic for the future incompat lint 2022-12-15 16:48:24 +00:00
Oli Scherer
dec05e9c73 Factor decorate closure out into a method 2022-12-15 16:25:50 +00:00
Oli Scherer
98dc76a374 Always report alignment failures in future incompat summaries 2022-12-15 16:24:11 +00:00
Oli Scherer
d9d92ed7da Move alignment failure error reporting to machine 2022-12-15 16:07:35 +00:00
Oli Scherer
d66824dbc4 Make alignment checks a future incompat lint 2022-12-15 16:07:28 +00:00
Oli Scherer
ed71e32e14 Always pass alignment and handle checking lazily 2022-12-15 15:51:43 +00:00
Ralf Jung
a575828431 adjust tests 2022-12-15 15:50:15 +00:00
Ralf Jung
fa83763491 always check alignment during CTFE 2022-12-15 15:36:11 +00:00
Deadbeef
a8b9e00518 fix tidy and add rpitit test 2022-12-15 14:18:15 +00:00
bors
984eab57f7 Auto merge of #105746 - matthiaskrgr:rollup-sz3grbv, r=matthiaskrgr 
Rollup of 11 pull requests

Successful merges:

 - #104592 (Ensure async trait impls are async (or otherwise return an opaque type))
 - #105623 (Fix `-Z print-type-sizes` for generators with discriminant field ordered first)
 - #105627 (Auto traits in `dyn Trait + Auto` are suggestable)
 - #105633 (Make `report_projection_error` more `Term` agnostic)
 - #105683 (Various cleanups to dest prop)
 - #105692 (Add regression test for #104678)
 - #105707 (rustdoc: remove unnecessary CSS `kbd { cursor: default }`)
 - #105715 (Do not mention long types in E0599 label)
 - #105722 (more clippy::complexity fixes)
 - #105724 (rustdoc: remove no-op CSS `.scrape-example .src-line-numbers { margin: 0 }`)
 - #105730 (rustdoc: remove no-op CSS `.item-info:before { color }`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
 2022-12-15 14:04:24 +00:00
Hannes Körber
9671dd239d doc: Fix a few small issues 
* A few typos around generic types (`;` vs `,`)
* Use inline code formatting for code fragments
* One instance of wrong wording
 2022-12-15 14:05:03 +01:00
Matthias Krüger
2650b7bd34
Rollup merge of #105730 - notriddle:notriddle/item-info-before, r=GuillaumeGomez 
rustdoc: remove no-op CSS `.item-info:before { color }`

No content is set, so this pseudo-element does not exist. The CSS was obsoleted by 73d0f7c7b6.
 2022-12-15 12:46:05 +01:00