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Update cargo
6 commits in 7e9de3f4ec3708f500bec142317895b96131e47c..7c3904d6c3ed54e8a413023519b55a536ad44d5b
2023-08-13 00:47:32 +0000 to 2023-08-14 20:11:43 +0000
- fix(lints): Doctest extraction should respect `[lints]` (rust-lang/cargo#12501)
- test: relax assertions of panic message (again) (rust-lang/cargo#12500)
- doc(unstable): `cargo test` does not provide `--keep-going` (rust-lang/cargo#12492)
- fix(log): enable ansi color only in terminal (rust-lang/cargo#12488)
- Update cargo-yank.md (rust-lang/cargo#12490)
- test: bypass `rustc --test` impl details for `-Zfuture-incompat-test` (rust-lang/cargo#12491)
r? `@ghost`
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add a csky-unknown-linux-gnuabiv2 target
This is the rustc side changes to support csky based Linux target(`csky-unknown-linux-gnuabiv2`).
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 pledge to do my best maintaining it.
> 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.
This `csky` section is the arch name and the `unknown-linux` section is the same as other linux target, and `gnuabiv2` is from the cross-compile toolchain of `gcc`
> 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.
I think the explanation in platform support doc is enough to make this aspect clear.
> 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.
It's using open source tools only.
> The target must not introduce license incompatibilities.
No new license
> Anything added to the Rust repository must be under the standard Rust license (MIT OR Apache-2.0).
Understood.
> 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/features required.
> 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.
As previously said it's using open source tools only.
> "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.
There are no such terms present/
> 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.
I'm not the reviewer here.
> 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.
I'm not the reviewer here.
> 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.
It supports for std
> 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 have added the documentation, and I think it's clear.
> 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.
Understood.
> 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.
I believe I didn't break any other 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.
I think there are no such problems in this PR.
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Update books
## rust-lang/book
3 commits in 668c64760b5c7ea654facb4ba5fe9faddfda27cc..72187f5cd0beaaa9c6f584156bcd88f921871e83
2023-08-04 14:42:07 UTC to 2023-08-03 13:36:44 UTC
- redirects: change link for the `#![no_std]` tutorial (rust-lang/book#3705)
- [chpt10.2] - Small wording changes (rust-lang/book#3724)
- Improve sentence (rust-lang/book#3725)
## rust-embedded/book
1 commits in 1e5556dd1b864109985d5871616ae6b9164bcead..99ad2847b865e96d8ae7b333d3ee96963557e621
2023-08-11 06:31:04 UTC to 2023-08-11 06:31:04 UTC
- Fix a small typo in qemu.md (rust-embedded/book#359)
## rust-lang/nomicon
1 commits in 302b995bcb24b70fd883980fd174738c3a10b705..388750b081c0893c275044d37203f97709e058ba
2023-08-10 21:15:21 UTC to 2023-08-10 21:15:21 UTC
- Document thiscall abi (rust-lang/nomicon#311)
## rust-lang/reference
10 commits in 1ea0178266b3f3f613b0fabdaf16a83961c99cdb..d43038932adeb16ada80e206d4c073d851298101
2023-08-12 19:07:28 UTC to 2023-07-16 20:12:46 UTC
- Document thiscall abi (rust-lang/reference#1092)
- add section about implied bounds (rust-lang/reference#1261)
- Clearly specify the `instruction_set` effects (rust-lang/reference#1307)
- Fix merge queue building twice. (rust-lang/reference#1383)
- Clarify UB around immutability & mutation (rust-lang/reference#1385)
- mention the extra const UB (rust-lang/reference#1273)
- Operator expressions: make the note about division by zero clearer. (rust-lang/reference#1384)
- Make unsafe keyword docs less confusing (rust-lang/reference#1379)
- Say that division by zero for primitive types panics (rust-lang/reference#1382)
- Add CI trigger for merge queues. (rust-lang/reference#1381)
## rust-lang/rust-by-example
3 commits in 8a87926a985ce32ca1fad1be4008ee161a0b91eb..07e0df2f006e59d171c6bf3cafa9d61dbeb520d8
2023-07-24 11:37:55 UTC to 2023-07-24 11:35:36 UTC
- Added attribute unused_labels - fixed warning. (rust-lang/rust-by-example#1729)
- more explanation about panic (rust-lang/rust-by-example#1728)
- chore: add the portuguese version of this project to `readme.md` (rust-lang/rust-by-example#1727)
## rust-lang/rustc-dev-guide
31 commits in b5a12d95e32ae53791cc6ab44417774667ed2ac6..b123ab4754127d822ffb38349ce0fbf561f1b2fd
2023-08-14 08:34:59 UTC to 2023-07-11 06:02:34 UTC
- fix: stabilize debugger_visualizer (rust-lang/rustc-dev-guide#1766)
- feat(part-5-intro): make "Part 5" obvious (rust-lang/rustc-dev-guide#1753)
- Update from `#[warn_]` to `#[warning]` diagnostic attributes (rust-lang/rustc-dev-guide#1765)
- Add RPITIT documentation (rust-lang/rustc-dev-guide#1764)
- fix(visitor.md): fix a type name in a code sample (rust-lang/rustc-dev-guide#1762)
- fix(name-resolution): remove unnecessary closing paranthesis (rust-lang/rustc-dev-guide#1760)
- fix(macro-expansion.md): fix the article `an` to `a` (rust-lang/rustc-dev-guide#1759)
- fix(serialization.md): fix the name of a derive macro (rust-lang/rustc-dev-guide#1756)
- fix(serialization.md): add a necessary plural suffix (rust-lang/rustc-dev-guide#1757)
- fix(salsa.md): add punctuation to prevent confusion (rust-lang/rustc-dev-guide#1754)
- fix(salsa.md): remove duplicate "To Be" verb (rust-lang/rustc-dev-guide#1755)
- feat(fuzzing.md): make `halfempty` word a link (rust-lang/rustc-dev-guide#1750)
- fix(about.md): use `a` instead of `an` (rust-lang/rustc-dev-guide#1751)
- refactor(git.md): make git-scm links clickable (rust-lang/rustc-dev-guide#1747)
- fix(walkthrough.md) add a comma operator to eliminate ambiguity (rust-lang/rustc-dev-guide#1749)
- fix(git.md): remove a confusing end of sentence character (rust-lang/rustc-dev-guide#1748)
- refactor(profiling/with_perf): remove a wrong to be verb (rust-lang/rustc-dev-guide#1746)
- refactor(tests/headers): remove duplicate list item (rust-lang/rustc-dev-guide#1745)
- refactor(test/headers.md): make the meaning more obvious (rust-lang/rustc-dev-guide#1744)
- refactor(tests/ui): remove unnecessary duplicate word (rust-lang/rustc-dev-guide#1743)
- refactor(compiletest): remove unnecessary duplicate word (rust-lang/rustc-dev-guide#1742)
- generic_arguments.md: substs -> GenericArgs (rust-lang/rustc-dev-guide#1741)
- fix(suggested): remove an unnecessary and confusing statement (rust-lang/rustc-dev-guide#1739)
- fix(how-to-build-and-run): fix a typo ("fromer" -> "former") (rust-lang/rustc-dev-guide#1736)
- fix(how-to-build-and-run): remove a wrong paragraph (rust-lang/rustc-dev-guide#1735)
- coverage code has moved (rust-lang/rustc-dev-guide#1728)
- linked issue is closed (rust-lang/rustc-dev-guide#1729)
- remove duplicate reference in about-this-guide.md (rust-lang/rustc-dev-guide#1734)
- Explain more in depth what early and late bound generic parameters are (rust-lang/rustc-dev-guide#1732)
- add section for normalization with the new solver (rust-lang/rustc-dev-guide#1731)
- Improve cleanup-crew.md with an example post (rust-lang/rustc-dev-guide#1730)
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Remove constness from `ImplSource::Param`
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fixes 5701
Whenever we see an `extern "Rust"` on a function, we don't strip it from the function.
If there's any future desire to have rustfmt remove an explicit "Rust" ABI, as it historically did prior to this change, then we can consider updating the rustfmt config surface to support that scenario
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Rollup of 5 pull requests
Successful merges:
- #94667 (Add `Iterator::map_windows`)
- #114069 (Allow using external builds of the compiler-rt profile lib)
- #114354 (coverage: Store BCB counter info externally, not directly in the BCB graph)
- #114625 (CI: use smaller machines in PR runs)
- #114777 (Migrate GUI colors test to original CSS color format)
r? `@ghost`
`@rustbot` modify labels: rollup
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* Inline format arguments for easier reading
Code becomes shorter and often easier to read when format args are inlined. Note that I skipped the mixed cases to make it more straightforward (could be done separatelly).
Also, there are two FIXME comments - for some reasons inlining makes format string exceed 100 char line width and crash.
```
cargo clippy --workspace --allow-dirty --fix --benches --tests --bins -- -A clippy::all -W clippy::uninlined_format_args
```
* address feedback
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Previously we alwasy assumed the match arm pattern would have
`shape.width` - 5 characters of space to work with.
Now if we're formatting a block expression with a label we'll take the
label into account.
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CI: use smaller machines in PR runs
mingw-check job-linux-16c -> job-linux-4c
~job-linux-4c 20 min in auto job
~job-linux-16c 13 min in pr job
with current pr regressed to almost 21 min, it's ok.
mingw-check-tidy job-linux-16c -> job-linux-4c small enough, so reduce to minimal
~ job-linux-16c 3 min
with current pr regressed to almost 5 min, it's ok.
x86_64-gnu-tools job-linux-16c this is top job by time in PR, so don't touch it
~ job-linux-8c 1.30 hour in auto job
~ job-linux-16c 1 hour in pr job (affected by #114613, actual time ~ 30 min)
x86_64-gnu-llvm-15 job-linux-16c don't change too
~ job-linux-8c 1.30 hour in auto job
~ job-linux-16c 30 min in pr job
Noticed while working on https://github.com/rust-lang/rust/pull/114621, so current time affected by always rebuilded docker images (but pr images always rebuilded before too, so nvm)
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Allow using external builds of the compiler-rt profile lib
This changes the bootstrap config `target.*.profiler` from a plain bool
to also allow a string, which will be used as a path to the pre-built
profiling runtime for that target. Then `profiler_builtins/build.rs`
reads that in a `LLVM_PROFILER_RT_LIB` environment variable.
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copy the correct version of LLVM into the stage0 sysroot
In some cases(see https://github.com/rust-lang/rust/issues/109314), when the stage0
compiler relies on more recent version of LLVM than the beta compiler, it may not
be able to locate the correct LLVM in the sysroot. This situation typically occurs
when we upgrade LLVM version while the beta compiler continues to use an older version.
Fixes #109314
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Fixes 5882
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rustc: Move `features` from `Session` to `GlobalCtxt`
Removes one more piece of mutable state.
Follow up to #114622.
The rule I used for passing feature in function signatures:
- if a crate already depends on `rustc_middle`, then `Session` is replaced with `TyCtxt`
- otherwise session and features are passed as a pair `sess: &Session, features: &Features`
The code in `rustc_lint` is ultimately used for implementing a trait from `rustc_expand`, so it also doesn't use tcx despite the dependency on `rustc_middle`.
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* improve the file-lines example
* fix help order
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Add checked float-to-int helper function
As discussed in https://github.com/rust-lang/miri/pull/2989#discussion_r1287252367
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update Miri
r? `@ghost`
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Update Clippy
r? `@Manishearth`
cc `@Centri3` This reinstates the `filter_map_bool_then` lint https://github.com/rust-lang/rust/pull/114715, since I think you fixed the ICE in https://github.com/rust-lang/rust/commit/beb57f074eb83643dde6ad960edadd3dbe4e6109 which is included in this sync.
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