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modules are now stripped based on the same logic that's used to strip other item kinds
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Rollup of 8 pull requests
Successful merges:
- #128221 (Add implied target features to target_feature attribute)
- #128261 (impl `Default` for collection iterators that don't already have it)
- #128353 (Change generate-copyright to generate HTML, with cargo dependencies included)
- #128679 (codegen: better centralize function declaration attribute computation)
- #128732 (make `import.vis` is immutable)
- #128755 (Integrate crlf directly into related test file instead via of .gitattributes)
- #128772 (rustc_codegen_ssa: Set architecture for object crate for 32-bit SPARC)
- #128782 (unused_parens: do not lint against parens around &raw)
r? `@ghost`
`@rustbot` modify labels: rollup
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unused_parens: do not lint against parens around &raw
Requested by `@tmandry` in https://github.com/rust-lang/rust/pull/127679: with `&raw` one somewhat regularly has to write code like `(&raw const (*myptr).field).method()`, so parentheses around the expression are often required. To avoid churn between adding and removing parentheses as method calls appear and disappear, the proposal was made to silence the lint for unnecessary parentheses around `&raw` expressions. This PR implements that.
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rustc_codegen_ssa: Set architecture for object crate for 32-bit SPARC
The `object` crate was recently updated to recognize the 32-bit SPARC ELF targets `EM_SPARC` and `EM_SPARC32PLUS`, so the proper architecture for 32-bit SPARC can now be set in `rustc_codegen_ssa`.
r? nagisa
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Integrate crlf directly into related test file instead via of .gitattributes
resolves https://github.com/rust-lang/rust/issues/128708
This PR seeks to resolve a contributor papercut when using jj to manage the git repo locally which does not support .gitattributes. It does so by integrating the crlf characters directly into the related test and disabling Git's end of line normalization logic across platforms for that specific file, instead of configuring git to always check out the files with alternative eol characters.
related documentation: https://git-scm.com/docs/gitattributes#Documentation/gitattributes.txt-Unset-1
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make `import.vis` is immutable
r? `@petrochenkov`
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codegen: better centralize function declaration attribute computation
For some reason, the codegen backend has two functions that compute which attributes a function declaration gets: `apply_attrs_llfn` and `attributes::from_fn_attrs`. They are called in different places, on entirely different layers of abstraction.
To me the code seems cleaner if we centralize this entirely in `apply_attrs_llfn`, so that's what this PR does.
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ferrocene:jonathanpallant/add-dependencies-to-copyright-file, r=Kobzol
Change generate-copyright to generate HTML, with cargo dependencies included
`x.py run generate-copyright` now produces `build/COPYRIGHT.html`. This includes a new format for in-tree dependencies, and also adds out-of-tree cargo dependencies.
After consulting expert opinion, I have elected to include every top-level:
* `*NOTICE*`
* `*AUTHOR*`
* `*LICENSE*`
* `*LICENCE*`, and
* `*COPYRIGHT*` file I can find - case-insensitive.
This is because the cargo package metadata's `author` field is not a list of copyright holders and does not meet the requirements of the Apache-2.0 license (which says you must include a NOTICE file with the binary if one was supplied by the author) nor the MIT license (which says you must include 'the above copyright notice').
I believe it would be appropriate to include this file with every Rust release, in order to do an even better job of appropriately recognising the efforts of the authors of the first-party and third-party libraries we are using here.
The output includes something like 524 copies of the Apache-2.0 text because they are not all identical. I think I count about 50 different variations by shasum - some differ in whitespace, while some have the boilerplate block at the bottom erroneously modified (don't modify the copy in the license, modify the copy you paste into your own source code!). Running `gzip` on the HTML file largely makes this problem go away, and the average browser is far happier with a ~6 MiB HTML file than the average Markdown viewer is with a ~6 MiB markdown file. But, if someone wants to, do they could submit a follow-up which de-dups the license text files and adds back-links to earlier identical copies (for some value of 'identical copy').
```console
$ xpy run generate-copyright
$ cd build
$ gzip -c COPYRIGHT.html > COPYRIGHT.gz
$ xz -c COPYRIGHT.html > COPYRIGHT.xz
$ ls -lh COPYRIGHT.*
-rw-r--r-- 1 jonathan staff 241K 29 Jul 17:19 COPYRIGHT.gz
-rw-r--r--@ 1 jonathan staff 6.6M 29 Jul 11:30 COPYRIGHT.html
-rw-r--r-- 1 jonathan staff 59K 29 Jul 17:19 COPYRIGHT.xz
```
Here's an example [COPYRIGHT.gz](https://github.com/user-attachments/files/16416147/COPYRIGHT.gz).
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impl `Default` for collection iterators that don't already have it
There is a pretty strong precedent for implementing `Default` for collection iterators, and this does so for some where this implementation was missed.
I don't think this needs a separate ACP (since this precedent already exists, and these feel like they were just missed), however, it *will* need an FCP since these implementations are instantly stable.
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Add implied target features to target_feature attribute
See [zulip](https://rust-lang.zulipchat.com/#narrow/stream/208962-t-libs.2Fstdarch/topic/Why.20would.20target-feature.20include.20implied.20features.3F) for some context. Adds implied target features, e.g. `#[target_feature(enable = "avx2")]` acts like `#[target_feature(enable = "avx2,avx,sse4.2,sse4.1...")]`. Fixes #128125, fixes #128426
The implied feature sets are taken from [the rust reference](https://doc.rust-lang.org/reference/attributes/codegen.html?highlight=target-fea#x86-or-x86_64), there are certainly more features and targets to add.
Please feel free to reassign this to whoever should review it.
r? ``@Amanieu``
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Disallow setting some built-in cfg via set the command-line
This PR disallow users from setting some built-in cfg via set the command-line in order to prevent incoherent state, eg. `windows` cfg active but target is Linux based.
This implements MCP https://github.com/rust-lang/compiler-team/issues/610, with the caveat that we disallow cfgs no matter if they make sense or not, since I don't think it's useful to allow users to set a cfg that will be set anyway. It also complicates the implementation.
------
The `explicit_builtin_cfgs_in_flags` lint detects builtin cfgs set via the `--cfg` flag.
*(deny-by-default)*
### Example
```text
rustc --cfg unix
```
```rust,ignore (needs command line option)
fn main() {}
```
This will produce:
```text
error: unexpected `--cfg unix` flag
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= note: config `unix` is only supposed to be controlled by `--target`
= note: manually setting a built-in cfg can and does create incoherent behaviours
= note: `#[deny(explicit_builtin_cfgs_in_flags)]` on by default
```
### Explanation
Setting builtin cfgs can and does produce incoherent behaviour, it's better to the use the appropriate `rustc` flag that controls the config. For example setting the `windows` cfg but on Linux based target.
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r? `@petrochenkov`
cc `@jyn514`
try-job: aarch64-apple
try-job: test-various
try-job: armhf-gnu
try-job: x86_64-msvc
try-job: x86_64-mingw
try-job: i686-msvc
try-job: i686-mingw
try-job: x86_64-gnu-llvm-17
try-job: dist-various-1
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Rollup of 9 pull requests
Successful merges:
- #128206 (Make create_dll_import_lib easier to implement)
- #128424 (minor `effects` cleanups)
- #128527 (More information for fully-qualified suggestion when there are multiple impls)
- #128656 (Enable msvc for run-make/rust-lld)
- #128683 (bootstrap: clear miri's ui test deps when rustc changes)
- #128700 (Migrate `simd-ffi` `run-make` test to rmake)
- #128753 (Don't arbitrarily choose one upper bound for hidden captured region error message)
- #128757 (Migrate `pgo-gen-lto` `run-make` test to rmake)
- #128758 (Specify a minimum supported version for VxWorks)
Failed merges:
- #128679 (codegen: better centralize function declaration attribute computation)
r? `@ghost`
`@rustbot` modify labels: rollup
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Specify a minimum supported version for VxWorks
Document that VxWorks 7 is the minimum supported version.
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Migrate `pgo-gen-lto` `run-make` test to rmake
Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).
This one is so easy, I'm surprised I missed it.
try-job: aarch64-apple
try-job: x86_64-msvc
try-job: x86_64-mingw
try-job: i686-msvc
try-job: i686-mingw
try-job: x86_64-gnu-llvm-17
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Don't arbitrarily choose one upper bound for hidden captured region error message
You could argue that the error message is objectively worse, even though it's more accurate. I guess we could also add a note explaining like "cannot capture the intersection of two regions" or something, though I'm not sure if that is confusing due to being totally technical jargon.
This addresses the fact that #128752 says "add `+ 'b`" even though it does nothing to fix the issue. It doesn't fix the issue's root cause, though.
r? `@spastorino`
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r=jieyouxu
Migrate `simd-ffi` `run-make` test to rmake
Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).
try-job: x86_64-msvc
try-job: x86_64-mingw
try-job: i686-msvc
try-job: armhf-gnu
try-job: test-various
try-job: aarch64-apple
try-job: x86_64-gnu-llvm-17
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bootstrap: clear miri's ui test deps when rustc changes
`@onur-ozkan` I hope this makes sense... it's quite hard to test this, but it did at least cause one rebuild of the right files for me, and then it doesn't seem to keep rebuilding, so at first sight this look at least better than the status quo.
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Enable msvc for run-make/rust-lld
This is simply a matter of using the right argument for lld-link.
As a bonus, I also fixed a typo.
try-job: i686-msvc
try-job: x86_64-msvc
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More information for fully-qualified suggestion when there are multiple impls
```
error[E0790]: cannot call associated function on trait without specifying the corresponding `impl` type
--> $DIR/E0283.rs:30:21
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LL | fn create() -> u32;
| ------------------- `Coroutine::create` defined here
...
LL | let cont: u32 = Coroutine::create();
| ^^^^^^^^^^^^^^^^^^^ cannot call associated function of trait
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help: use a fully-qualified path to a specific available implementation
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LL | let cont: u32 = <Impl as Coroutine>::create();
| ++++++++ +
LL | let cont: u32 = <AnotherImpl as Coroutine>::create();
| +++++++++++++++ +
```
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minor `effects` cleanups
* remove the fixme comment about not needing defaults because it turns out we do need defaults (if I made it None instead it would ice a bunch of tests)
* remove the part that special cased trait args when lowering them. This is now historical because effects doesn't add host args to traits anymore (we use associated types now)
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Make create_dll_import_lib easier to implement
This will make it easier to implement raw-dylib support in cg_clif and cg_gcc. This PR doesn't yet include an create_dll_import_lib implementation for cg_clif as I need to correctly implement dllimport in cg_clif first before raw-dylib can work at all with cg_clif.
Required for https://github.com/rust-lang/rustc_codegen_cranelift/issues/1345
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Migrate `cross-lang-lto-upstream-rlibs`, `long-linker-command-lines` and `long-linker-command-lines-cmd-exe` `run-make` tests to rmake
Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).
The `long-linker` tests are certainly doing something... interesting - they summon `rustc` calls with obscene quantities of arguments and check that this is appropriately handled. I removed the `RUSTC_ORIGINAL` magic - it's equivalent to `RUSTC` in `tools.mk`, so what is the purpose? Making it so the massive pile of flags doesn't modify rustc itself and start leaking into other tests? Tell me what you think.
Please try:
try-job: x86_64-msvc
try-job: i686-msvc
try-job: x86_64-mingw
try-job: i686-mingw
try-job: aarch64-apple
try-job: test-various
try-job: x86_64-gnu-debug
try-job: x86_64-gnu-llvm-17
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Version 0.3.1 has added support for writing import libraries. Version
0.3.2 fixed creating archives containing members of import libraries.
Version 0.3.3 fixed building on big-endian systems.
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The object crate was recently updated to recognize the 32-bit SPARC
ELF targets EM_SPARC and EM_SPARC32PLUS, so the proper architecture
for 32-bit SPARC can now be set in rustc_codegen_ssa.
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Rollup of 7 pull requests
Successful merges:
- #128107 (Migrate `raw-dylib-alt-calling-convention`, `raw-dylib-c` and `redundant-libs` `run-make` tests to rmake)
- #128362 (add test for symbol visibility of `#[naked]` functions)
- #128417 (Add `f16` and `f128` math functions)
- #128638 (run-make: enable msvc for `link-dedup`)
- #128647 (Enable msvc for link-args-order)
- #128649 (run-make: Enable msvc for `no-duplicate-libs` and `zero-extend-abi-param-passing`)
- #128766 (Trivial grammar fix in const keyword docs)
r? `@ghost`
`@rustbot` modify labels: rollup
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Co-authored-by: Amanieu d'Antras <amanieu@gmail.com>
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Update cargo
3 commits in fa646583675d7c140482bd906145c71b7fb4fc2b..94977cb1fab003d45eb5bb108cb5e2fa0149672a
2024-08-02 16:08:06 +0000 to 2024-08-06 21:42:10 +0000
- Don't specify the depedency name in the `cargo add` inferred name test (rust-lang/cargo#14357)
- Fix renamed disallowed cfg lint name (rust-lang/cargo#14352)
- fix(build-std): remove hack on creating virtual std workspace (rust-lang/cargo#14358)
r? ghost
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Trivial grammar fix in const keyword docs
This PR makes a trivial fix to the wording of a sentence in the `const` keyword docs.
> `const` items looks remarkably similar to `static` items, [...]
Either this should be written as
> A `const` items looks remarkably similar to a `static` item, [...]
or "looks" should be changed to "look".
I have selected the smaller diff.
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run-make: Enable msvc for `no-duplicate-libs` and `zero-extend-abi-param-passing`
The common thing between these two tests is to use `#[link(..., kind="static")]` so that it doesn't try to do a DLL import.
`zero-extend-abi-param-passing` also needs to have an optimized static library but there's only helper function for a non-optimized version. Rather than copy/pasting the code (and adding the optimization flag) I reused the same code so that it more easily be kept in sync.
try-job: i686-msvc
try-job: x86_64-msvc
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Enable msvc for link-args-order
I could not see any reason in #70665 why this test needs to specifically use `ld`. Maybe to provide a consistent linker input line? In any case, the test does work for the MSVC linker.
try-job: i686-msvc
try-job: x86_64-msvc
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