| Age | Commit message (Collapse) | Author | Lines |
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Update fuchsia maintainers
This makes the maintainers list in the docs line up with the current [fuchsia team](https://github.com/rust-lang/team/blob/master/teams/fuchsia.toml).
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Update books
## rust-lang/book
6 commits in 85442a608426d3667f1c9458ad457b241a36b569..5228bfac8267ad24659a81b92ec5417976b5edbc
2024-05-29 20:55:49 UTC to 2024-05-27 17:22:03 UTC
- Fix typo in ch10-03 (rust-lang/book#3539)
- Backport changes to ch 9 and 10 (rust-lang/book#3946)
- infra: correctly support preprocessors for nostarch (rust-lang/book#3944)
- Use `<kbd>` instead of `<span class="keystroke">` (rust-lang/book#3945)
- infra: Fix clippy warning in remove_markup (rust-lang/book#3943)
- fix: ch10-03 - misleading use of expect on .split (rust-lang/book#3939)
## rust-lang/edition-guide
2 commits in 0c68e90acaae5a611f8f5098a3c2980de9845ab2..bbaabbe088e21a81a0d9ae6757705020d5d7b416
2024-05-24 19:07:18 UTC to 2024-05-21 22:40:52 UTC
- 2024: Document reserving `gen` keyword (rust-lang/edition-guide#300)
- 2024: Document cargo changes (rust-lang/edition-guide#301)
## rust-embedded/book
1 commits in dd962bb82865a5284f2404e5234f1e3222b9c022..b10c6acaf0f43481f6600e95d4b5013446e29f7a
2024-05-31 08:51:50 UTC to 2024-05-31 08:51:50 UTC
- Add some explanations as to why exception re-entrancy may still be an issue in a multicore-environment. (rust-embedded/book#367)
## rust-lang/reference
6 commits in e356977fceaa8591c762312d8d446769166d4b3e..6019b76f5b28938565b251bbba0bf5cc5c43d863
2024-06-03 15:58:57 UTC to 2024-05-25 18:35:54 UTC
- Add Apple `target_abi` values to the example values (rust-lang/reference#1507)
- this needs a space (rust-lang/reference#1506)
- Mention Variadics With No Fixed Parameter (rust-lang/reference#1494)
- Add "scopes" chapter. (rust-lang/reference#1040)
- update patterns.md for const pattern RFC (rust-lang/reference#1456)
- document guarantee about evaluation of associated consts and const blocks (rust-lang/reference#1497)
## rust-lang/rust-by-example
3 commits in 20482893d1a502df72f76762c97aed88854cdf81..4840dca06cadf48b305d3ce0aeafde7f80933f80
2024-05-28 13:56:12 UTC to 2024-05-27 11:51:10 UTC
- Update mdbook-i18n-helpers to 0.3.3 (rust-lang/rust-by-example#1857)
- Fix CI failure (rust-lang/rust-by-example#1856)
- Add precision on From/Into asymmetry to from_into.md (rust-lang/rust-by-example#1855)
## rust-lang/rustc-dev-guide
4 commits in b6d4a4940bab85cc91eec70cc2e3096dd48da62d..6a7374bd87cbac0f8be4fd4877d8186d9c313985
2024-05-31 00:27:28 UTC to 2024-05-21 09:56:12 UTC
- Flesh out the "representing types" chapter (rust-lang/rustc-dev-guide#1985)
- sync the stage0 filename (rust-lang/rustc-dev-guide#1979)
- Add Rust for Linux notification group entry (rust-lang/rustc-dev-guide#1984)
- fix some typos (rust-lang/rustc-dev-guide#1983)
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Handle no values cfgs with `--print=check-cfg`
This PR fix a bug with `--print=check-cfg`, where no values cfgs where not printed since we only printed cfgs that had at least one values.
The representation I choose is `CFG=`, since it doesn't correspond to any valid config, it also IMO nicely complements the `values()` (to indicate no values). Representing the absence of value by the absence of the value.
So for `cfg(feature, values())` we would print `feature=`.
I also added the missing tracking issue number in the doc.
r? ```@petrochenkov```
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ARM Target Docs Update
Updates the ARM target docs, drawing more attention to the `arm-none-eabi` target group by placing all targets *within* that group as a sub-list in the Table of Contents.
Also updates the `armv4t-none-eabi` page (maintainer signoff: I'm that target's maintainer) to clarify that the page covers the arm version and the thumb version of the target, but that the target group page has the full info because there's nothing really specific to say for those targets.
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Add tracking issue and unstable book page for `"vectorcall"` ABI
Originally added in 2015 by #30567, the Windows `"vectorcall"` ABI didn't have a tracking issue until now.
Tracking issue: #124485
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Show files produced by `--emit foo` in json artifact notifications
Right now it is possible to ask `rustc` to save some intermediate representation into one or more files with `--emit=foo`, but figuring out what exactly was produced is difficult. This pull request adds information about `llvm_ir` and `asm` intermediate files into notifications produced by `--json=artifacts`.
Related discussion: https://internals.rust-lang.org/t/easier-access-to-files-generated-by-emit-foo/20477
Motivation - `cargo-show-asm` parses those intermediate files and presents them in a user friendly way, but right now I have to apply some dirty hacks. Hacks make behavior confusing: https://github.com/hintron/computer-enhance/issues/35
This pull request introduces a new behavior: now `rustc` will emit a new artifact notification for every artifact type user asked to `--emit`, for example for `--emit asm` those will include all the `.s` files.
Most users won't notice this behavior, to be affected by it all of the following must hold:
- user must use `rustc` binary directly (when `cargo` invokes `rustc` - it consumes artifact notifications and doesn't emit anything)
- user must specify both `--emit xxx` and `--json artifacts`
- user must refuse to handle unknown artifact types
- user must disable incremental compilation (or deal with it better than cargo does, or use a workaround like `save-temps`) in order not to hit #88829 / #89149
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GuillaumeGomez:stabilize-custom_code_classes_in_docs, r=rustdoc
Stabilize `custom_code_classes_in_docs` feature
Fixes #79483.
This feature has been around for quite some time now, I think it's fine to stabilize it now.
## Summary
## What is the feature about?
In short, this PR changes two things, both related to codeblocks in doc comments in Rust documentation:
* Allow to disable generation of `language-*` CSS classes with the `custom` attribute.
* Add your own CSS classes to a code block so that you can use other tools to highlight them.
#### The `custom` attribute
Let's start with the new `custom` attribute: it will disable the generation of the `language-*` CSS class on the generated HTML code block. For example:
```rust
/// ```custom,c
/// int main(void) {
/// return 0;
/// }
/// ```
```
The generated HTML code block will not have `class="language-c"` because the `custom` attribute has been set. The `custom` attribute becomes especially useful with the other thing added by this feature: adding your own CSS classes.
#### Adding your own CSS classes
The second part of this feature is to allow users to add CSS classes themselves so that they can then add a JS library which will do it (like `highlight.js` or `prism.js`), allowing to support highlighting for other languages than Rust without increasing burden on rustdoc. To disable the automatic `language-*` CSS class generation, you need to use the `custom` attribute as well.
This allow users to write the following:
```rust
/// Some code block with `{class=language-c}` as the language string.
///
/// ```custom,{class=language-c}
/// int main(void) {
/// return 0;
/// }
/// ```
fn main() {}
```
This will notably produce the following HTML:
```html
<pre class="language-c">
int main(void) {
return 0;
}</pre>
```
Instead of:
```html
<pre class="rust rust-example-rendered">
<span class="ident">int</span> <span class="ident">main</span>(<span class="ident">void</span>) {
<span class="kw">return</span> <span class="number">0</span>;
}
</pre>
```
To be noted, we could have written `{.language-c}` to achieve the same result. `.` and `class=` have the same effect.
One last syntax point: content between parens (`(like this)`) is now considered as comment and is not taken into account at all.
In addition to this, I added an `unknown` field into `LangString` (the parsed code block "attribute") because of cases like this:
```rust
/// ```custom,class:language-c
/// main;
/// ```
pub fn foo() {}
```
Without this `unknown` field, it would generate in the DOM: `<pre class="language-class:language-c language-c">`, which is quite bad. So instead, it now stores all unknown tags into the `unknown` field and use the first one as "language". So in this case, since there is no unknown tag, it'll simply generate `<pre class="language-c">`. I added tests to cover this.
EDIT(camelid): This description is out-of-date. Using `custom,class:language-c` will generate the output `<pre class="language-class:language-c">` as would be expected; it treats `class:language-c` as just the name of a language (similar to the langstring `c` or `js` or what have you) since it does not use the designed class syntax.
Finally, I added a parser for the codeblock attributes to make it much easier to maintain. It'll be pretty easy to extend.
As to why this syntax for adding attributes was picked: it's [Pandoc's syntax](https://pandoc.org/MANUAL.html#extension-fenced_code_attributes). Even if it seems clunkier in some cases, it's extensible, and most third-party Markdown renderers are smart enough to ignore Pandoc's brace-delimited attributes (from [this comment](https://github.com/rust-lang/rust/pull/110800#issuecomment-1522044456)).
r? `@notriddle`
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Support mdBook preprocessors for TRPL in rustbook
`rust-lang/book` recently added two mdBook preprocessors. Enable `rustbook` to use those preprocessors for books where they are requested by the `book.toml` by adding the preprocessors as path dependencies, and ignoring them where they are not requested, i.e. by all the books other than TRPL at present.
Addresses rust-lang/book#3927
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tier 3 target policy: clarify the point about producing assembly
I think that is already the intended meaning of the policy, but I am not sure.
Cc ``@rust-lang/compiler``
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Add `-Zfixed-x18`
This PR is a follow-up to #124323 that proposes a different implementation. Please read the description of that PR for motivation.
See the equivalent flag in [the clang docs](https://clang.llvm.org/docs/ClangCommandLineReference.html#cmdoption-clang-ffixed-x18).
MCP: https://github.com/rust-lang/compiler-team/issues/748
Fixes https://github.com/rust-lang/rust/issues/121970
r? rust-lang/compiler
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Add `--print=check-cfg` to get the expected configs
This PR adds a new `--print` variant `check-cfg` to get the expected configs.
Details and rational can be found on the MCP: https://github.com/rust-lang/compiler-team/issues/743
``@rustbot`` label +F-check-cfg +S-waiting-on-MCP
r? ``@petrochenkov``
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see on the page.
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`rust-lang/book` recently added two mdBook preprocessors. Enable
`rustbook` to use those preprocessors for books where they are requested
by the `book.toml` by adding the preprocessors as path dependencies, and
ignoring them where they are not requested, i.e. by all the books other
than TRPL at present.
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Refactor documentation for Apple targets
Refactor the documentation for Apple targets in `rustc`'s platform support page to make it clear what the supported OS version is and which environment variables are being read (`*_DEPLOYMENT_TARGET` and `SDKROOT`). This fixes https://github.com/rust-lang/rust/issues/124215.
Note that I've expanded the `aarch64-apple-ios-sim` maintainers `@badboy` and `@deg4uss3r` to include being maintainer of all `*-apple-ios-*` targets. If you do not wish to be so, please state that, then I'll explicitly note that in the docs.
Additionally, I've added myself as co-maintainer of most of these targets.
r? `@thomcc`
I think the documentation you've previously written on tvOS is great, have mostly modified it to have a more consistent formatting with the rest of the Apple target.
I recognize that there's quite a few changes here, feel free to ask about any of them!
---
CC `@simlay` `@Nilstrieb`
`@rustbot` label O-apple
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Update books
## rust-lang/book
8 commits in bebcf527e67755a989a1739b7cfaa8f0e6b30040..5e9051f71638aa941cd5dda465e25c61cde9594f
2024-05-16 14:58:56 UTC to 2024-05-07 23:58:22 UTC
- Convert ch01-03-hello-cargo.md Listing 1-2 using `<Listing>` (rust-lang/book#3924)
- infra: fix rendering bug in mdbook-trpl-note (rust-lang/book#3925)
- infra: support `Listing`s without `file-name` (rust-lang/book#3920)
- Add a `<Listing>` preprocessor (rust-lang/book#3918)
- Update explanation according to code listing (rust-lang/book#3916)
- infra: run package tests (rust-lang/book#3915)
- Fix workspace behavior by excluding `listings` (rust-lang/book#3914)
- Backport changes to chapter 8 (rust-lang/book#3913)
## rust-embedded/book
1 commits in 17842ebb050f62e40a4618edeb8e8ee86e758707..dd962bb82865a5284f2404e5234f1e3222b9c022
2024-05-17 23:43:59 UTC to 2024-05-17 23:43:59 UTC
- 'llvm-tools-preview' component is now named 'llvm-tools' (rust-embedded/book#372)
## rust-lang/reference
2 commits in 51817951d0d213a0011f82b62aae02c3b3f2472e..e356977fceaa8591c762312d8d446769166d4b3e
2024-05-10 12:49:15 UTC to 2024-05-07 13:32:57 UTC
- Document inline const/const block expression (rust-lang/reference#1295)
- patterns: include yet unstable exclusive range patterns (rust-lang/reference#1484)
## rust-lang/rust-by-example
7 commits in 229ad13b64d919b12e548d560f06d88963b25cd3..20482893d1a502df72f76762c97aed88854cdf81
2024-05-20 14:36:21 UTC to 2024-05-14 16:17:03 UTC
- Clarify interchangability for From and Into (rust-lang/rust-by-example#1851)
- Update ja.po based on the latest master (rust-lang/rust-by-example#1850)
- Add explicit section link (rust-lang/rust-by-example#1847)
- Adjust translation build on CI (rust-lang/rust-by-example#1849)
- Update mdbook version in CI (rust-lang/rust-by-example#1848)
- Fix some broken links in ja.po (rust-lang/rust-by-example#1844)
- Fix an external link to absolute (rust-lang/rust-by-example#1842)
## rust-lang/rustc-dev-guide
8 commits in 2d1947ff34d50ca46dfe242ad75531a4c429bb52..b6d4a4940bab85cc91eec70cc2e3096dd48da62d
2024-05-17 17:04:58 UTC to 2024-05-09 13:22:03 UTC
- Add a high level explanation of early/late bound params (rust-lang/rustc-dev-guide#1982)
- Fix broken link to "Lowering" (rust-lang/rustc-dev-guide#1981)
- Broken link fix (rust-lang/rustc-dev-guide#1980)
- Add note about how to pick up abandoned PRs (rust-lang/rustc-dev-guide#1977)
- Toc here is overkill (rust-lang/rustc-dev-guide#1976)
- Link to lint `L-*` labels (rust-lang/rustc-dev-guide#1975)
- Update the rustc_interface examples for current rustc (rust-lang/rustc-dev-guide#1974)
- Edit `Parameter Environments`'s url as it has been edited in #1953 (rust-lang/rustc-dev-guide#1973)
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Update `unexpected_cfgs` lint for Cargo new `check-cfg` config
This PR updates the diagnostics output of the `unexpected_cfgs` lint for Cargo new `check-cfg` config.
It's a simple and cost-less alternative to the build-script `cargo::rustc-check-cfg` instruction.
```toml
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = ['cfg(foo, values("bar"))'] }
```
This PR also adds a Cargo specific section regarding check-cfg and Cargo inside rustc's book (motivation is described inside the file, but mainly check-cfg is a rustc feature not a Cargo one, Cargo only enabled the feature, it does not own it; T-cargo even considers the `check-cfg` lint config to be an implementation detail).
This PR also updates the links to refer to that sub-page when using Cargo from rustc.
As well as updating the lint doc to refer to the check-cfg docs.
~**Not to be merged before https://github.com/rust-lang/cargo/pull/13913 reaches master!**~ (EDIT: merged in https://github.com/rust-lang/rust/pull/125237)
`@rustbot` label +F-check-cfg
r? `@fmease` *(feel free to roll)*
Fixes https://github.com/rust-lang/rust/issues/124800
cc `@epage` `@weihanglo`
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Add `-` (stdin) support in rustdoc
This PR adds support for the special `-` input which threats the input as coming from *stdin* instead of being a filepath.
Doing this also makes `rustdoc` consistent with `rustc` and ~~every~~ other tools. Full [motivation](https://github.com/rust-lang/rust/pull/124611#issuecomment-2094234876).
Fixes https://github.com/rust-lang/rust/issues/123671
r? `@fmease`
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Update linker-plugin-lto.md to include LLVM 18
I did this manually not via provided script.
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Rollup of 7 pull requests
Successful merges:
- #119838 (style-guide: When breaking binops handle multi-line first operand better)
- #124844 (Use a proper probe for shadowing impl)
- #125047 (Migrate `run-make/issue-14500` to new `rmake.rs` format)
- #125080 (only find segs chain for missing methods when no available candidates)
- #125088 (Uplift `AliasTy` and `AliasTerm`)
- #125100 (Don't do post-method-probe error reporting steps if we're in a suggestion)
- #125118 (Use new utility functions/methods in run-make tests)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=compiler-errors
style-guide: When breaking binops handle multi-line first operand better
Use the indentation of the *last* line of the first operand, not the first.
Fixes https://github.com/rust-lang/style-team/issues/189
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Add v0 symbol mangling for `f16` and `f128`
As discussed at <https://github.com/rust-lang/rust/pull/122106>, use the crate encoding to represent new primitives.
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As discussed at <https://github.com/rust-lang/rust/pull/122106>, use the
crate encoding to represent new primitives.
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Add x86_64-unknown-linux-none target
Adds a freestanding linux binary with no libc dependency. This is useful for writing programs written only in rust. It is also essential for writing low level stuff like libc or a dynamic linker.
Tier 3 policy:
>A tier 3 target must have a designated developer or developers (the "target maintainers") on record to be CCed when issues arise regarding the target. (The mechanism to track and CC such developers may evolve over time.)
I will be the designed maintainer for this target
>Targets must use naming consistent with any existing targets; for instance, a target for the same CPU or OS as an existing Rust target should use the same name for that CPU or OS. Targets should normally use the same names and naming conventions as used elsewhere in the broader ecosystem beyond Rust (such as in other toolchains), unless they have a very good reason to diverge. Changing the name of a target can be highly disruptive, especially once the target reaches a higher tier, so getting the name right is important even for a tier 3 target.
The target triple is consistent with other targets
>Target names should not introduce undue confusion or ambiguity unless absolutely necessary to maintain ecosystem compatibility. For example, if the name of the target makes people extremely likely to form incorrect beliefs about what it targets, the name should be changed or augmented to disambiguate it.
If possible, use only letters, numbers, dashes and underscores for the name. Periods (.) are known to cause issues in Cargo.
There is no confusion with other targets since it explicitly adds "none" at the end instead of omitting the environment
>Tier 3 targets may have unusual requirements to build or use, but must not create legal issues or impose onerous legal terms for the Rust project or for Rust developers or users.
The target does not introduce any unusual requirement
>The target must not introduce license incompatibilities.
There are no license incompatibilities
> Anything added to the Rust repository must be under the standard Rust license (MIT OR Apache-2.0).
Everything added is under that license
>The target must not cause the Rust tools or libraries built for any other host (even when supporting cross-compilation to the target) to depend on any new dependency less permissive than the Rust licensing policy. This applies whether the dependency is a Rust crate that would require adding new license exceptions (as specified by the tidy tool in the rust-lang/rust repository), or whether the dependency is a native library or binary. In other words, the introduction of the target must not cause a user installing or running a version of Rust or the Rust tools to be subject to any new license requirements.
There are no new dependencies
>Compiling, linking, and emitting functional binaries, libraries, or other code for the target (whether hosted on the target itself or cross-compiling from another target) must not depend on proprietary (non-FOSS) libraries. Host tools built for the target itself may depend on the ordinary runtime libraries supplied by the platform and commonly used by other applications built for the target, but those libraries must not be required for code generation for the target; cross-compilation to the target must not require such libraries at all. For instance, rustc built for the target may depend on a common proprietary C runtime library or console output library, but must not depend on a proprietary code generation library or code optimization library. Rust's license permits such combinations, but the Rust project has no interest in maintaining such combinations within the scope of Rust itself, even at tier 3.
There is no proprietary dependencies
>"onerous" here is an intentionally subjective term. At a minimum, "onerous" legal/licensing terms include but are not limited to: non-disclosure requirements, non-compete requirements, contributor license agreements (CLAs) or equivalent, "non-commercial"/"research-only"/etc terms, requirements conditional on the employer or employment of any particular Rust developers, revocable terms, any requirements that create liability for the Rust project or its developers or users, or any requirements that adversely affect the livelihood or prospects of the Rust project or its developers or users.
No such terms exist for this target
>Neither this policy nor any decisions made regarding targets shall create any binding agreement or estoppel by any party. If any member of an approving Rust team serves as one of the maintainers of a target, or has any legal or employment requirement (explicit or implicit) that might affect their decisions regarding a target, they must recuse themselves from any approval decisions regarding the target's tier status, though they may otherwise participate in discussions.
>This requirement does not prevent part or all of this policy from being cited in an explicit contract or work agreement (e.g. to implement or maintain support for a target). This requirement exists to ensure that a developer or team responsible for reviewing and approving a target does not face any legal threats or obligations that would prevent them from freely exercising their judgment in such approval, even if such judgment involves subjective matters or goes beyond the letter of these requirements.
Understood
>Tier 3 targets should attempt to implement as much of the standard libraries as possible and appropriate (core for most targets, alloc for targets that can support dynamic memory allocation, std for targets with an operating system or equivalent layer of system-provided functionality), but may leave some code unimplemented (either unavailable or stubbed out as appropriate), whether because the target makes it impossible to implement or challenging to implement. The authors of pull requests are not obligated to avoid calling any portions of the standard library on the basis of a tier 3 target not implementing those portions.
The target already implements core. It might be possible in the future to add support for alloc and std by leveraging crates such as [origin](https://github.com/sunfishcode/origin/) and [rustix](https://github.com/bytecodealliance/rustix)
> The target must provide documentation for the Rust community explaining how to build for the target, using cross-compilation if possible. If the target supports running binaries, or running tests (even if they do not pass), the documentation must explain how to run such binaries or tests for the target, using emulation if possible or dedicated hardware if necessary.
I believe the proper docs are added
>Tier 3 targets must not impose burden on the authors of pull requests, or other developers in the community, to maintain the target. In particular, do not post comments (automated or manual) on a PR that derail or suggest a block on the PR based on a tier 3 target. Do not send automated messages or notifications (via any medium, including via `@)` to a PR author or others involved with a PR regarding a tier 3 target, unless they have opted into such messages.
> Backlinks such as those generated by the issue/PR tracker when linking to an issue or PR are not considered a violation of this policy, within reason. However, such messages (even on a separate repository) must not generate notifications to anyone involved with a PR who has not requested such notifications.
Understood
> Patches adding or updating tier 3 targets must not break any existing tier 2 or tier 1 target, and must not knowingly break another tier 3 target without approval of either the compiler team or the maintainers of the other tier 3 target.
> In particular, this may come up when working on closely related targets, such as variations of the same architecture with different features. Avoid introducing unconditional uses of features that another variation of the target may not have; use conditional compilation or runtime detection, as appropriate, to let each target run code supported by that target.
No other targets are effected
>Tier 3 targets must be able to produce assembly using at least one of rustc's supported backends from any host target.
The same backends used by other linux targets work without issues
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Co-authored-by: Trevor Gross <t.gross35@gmail.com>
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Co-authored-by: Caleb Cartwright <calebcartwright@users.noreply.github.com>
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Co-authored-by: Caleb Cartwright <calebcartwright@users.noreply.github.com>
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Use the indentation of the *last* line of the first operand, not the first.
Fixes https://github.com/rust-lang/style-team/issues/189
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Migrate fuchsia docs from `pm` to `ffx`
The `pm` tool has been deprecated, so this migrates the fuchsia documentation to the new `ffx` based tooling.
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The `pm` tool has been deprecated, so this migrates the fuchsia
documentation to the new `ffx` based tooling.
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Suggested-by: Caleb Cartwright <calebcartwright@users.noreply.github.com>
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Show an example that has bounds.
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In particular, lifetime-generic associated types often have a
`where Self: 'a` bound, which we can format on the same line.
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