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Rollup of 6 pull requests
Successful merges:
- #132057 (miri: update ABI compat checks to accept Option-like types)
- #132665 (Implement `div_ceil` for `NonZero<unsigned>`)
- #132694 (fix(x): fix a regex used to find python executable)
- #132707 (Add --diagnostic-width to some tests failing after 1a0c5021838)
- #132715 (fix `LazyLock::get` and `LazyLock::get_mut` document)
- #132716 (chore(issue-template): fix branch name)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=tgross35
chore(issue-template): fix branch name
It was renamed to "main" from "master".
It might seem not important (actually it is not important) but I think there is no need to see this every time when we clicked this link:
And this way is faster I guess.
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fix `LazyLock::get` and `LazyLock::get_mut` document
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Add --diagnostic-width to some tests failing after 1a0c5021838
Otherwise the tests would fail depending on the execution environment.
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ismailarilik:fix/x/fix-a-regex-used-to-find-python-executable, r=jieyouxu
fix(x): fix a regex used to find python executable
Isn't the regex `^python[2-3]\.[0-9]\+$` wrong? It doesn't match, for example, with `python2.8`. There should be a plus sign at the end for a match, like `python2.8+`. I think `[0-9]+` is meant here instead of `[0-9]\+`. In that case a string like `python2.8` would match. This wasn't noticed because the script probably find and run the Python executable before this line.
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Implement `div_ceil` for `NonZero<unsigned>`
ACP: https://github.com/rust-lang/libs-team/issues/471
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miri: update ABI compat checks to accept Option-like types
This implements the t-lang decision described [here](https://github.com/rust-lang/rust/pull/130628#issuecomment-2402761599).
Fixes https://github.com/rust-lang/miri/issues/3983
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bootstrap: add quoting support to avoid splitting
With this change, it is now possible to pass quotes to the configure script, such as
`./configure.py --set=target.\"thumbv8m.main-none-eabi\".linker=/linker`
or
`./configure.py '--set=target."thumbv8m.main-none-eabi".linker=/linker'`
, which will treat `thumbv8.main-none-eabi` as a whole part. Currently, the string would be split into two elements: `thumbv8`, and `main-none-eabi`.
The approach taken is to perform custom splitting instead of using `str.split()` and then repairing the split. Also, There are numerous corner cases not handled: the custom split doesn't differentiate between single quotes or double quotes, so it is perfectly possible to pass `./configure.py --set=target.\"thumbv8m.main-none-eabi\'.linker=/linker` and the behaviour would be the same as with all double quotes or single quotes.
As for the code, i'm unsure on whether to delimit strings with double or single quotes. I've seen both single quotes and double quotes used to delimit strings, like in
```py
err("Option '{}' provided more than once".format(key))
```
and this a handful of lines down:
```py
if option.name == 'sccache':
set('llvm.ccache', 'sccache', config)
```
Please advise on the wanted one.
Fixes #130602
r? `@onur-ozkan`
Thanks in advance for the feedback!
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more crash tests
r? `@jieyouxu`
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It was renamed to "main" from "master".
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Inline str::repeat
`str` is non-generic and `str.repeat()` doesn't get inlined, which makes it use a slower algorithm in case of 1-char repetitions. Equivalent byte slice does get inlined: https://rust.godbolt.org/z/4arvh97r4
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Signed-off-by: Xinye <xinye.tao@metabit-trading.com>
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Revert using `HEAP` static in Windows alloc
Fixes #131468
This does the minimum to remove the `HEAP` static that was causing chromium issues. It would be worth having a more substantial look at this module but for now I think this addresses the immediate issue.
cc `@danakj`
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Only disable cache if predicate has opaques within it
This is an alternative to https://github.com/rust-lang/rust/pull/132075.
This refines the check implemented in https://github.com/rust-lang/rust/pull/126024 to only disable the global cache if the predicate being considered has opaques in it. This is still theoretically unsound, since goals can indirectly rely on opaques in the defining scope, but we're much less likely to hit it.
It doesn't totally fix https://github.com/rust-lang/rust/issues/132064: for example, `lemmy` goes from 1:29 (on rust 1.81) to 9:53 (on nightly) to 4:07 (after this PR). But I think it's at least *more* sound than a total revert :/
r? lcnr
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With this change, it is now possible to pass quotes to the configure
script, such as
`./configure.py --set=target.\"thumbv8m.main-none-eabi\".linker=/linker`
, which will treat `thumbv8.main-none-eabi` as a whole part. Currently,
the string would be split into two elements: `thumbv8`, and
`main-none-eabi`.
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Otherwise the tests would fail depending on the execution environment.
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Rollup of 3 pull requests
Successful merges:
- #132617 (Fix an extra newline in rendered std doc)
- #132698 (Remove unneeded fields in `scrape_examples::FindCalls`)
- #132700 (add note not to re-report crashes from `crashes` tests)
r? `@ghost`
`@rustbot` modify labels: rollup
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add note not to re-report crashes from `crashes` tests
for reasons... :sweat_smile:
r? `@fmease`
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Remove unneeded fields in `scrape_examples::FindCalls`
Just a small cleanup while going through something bigger.
r? `@notriddle`
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Fix an extra newline in rendered std doc
Fixes #132564
(taken from the issue above)
The problem with the formatting is due to that newline between `<code>` and `<svg>`. Any newlines outside of the code (i.e., within elements inside of it) are fine.
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Clean middle generics using paren sugar if trait has `#[rustc_paren_sugar]`
That is to say, generalize the `Fn()` paren sugar handling to *any* trait that is marked with `rustc_paren_sugar`. This means that `AsyncFn` is also covered here.
r? fmease
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Suggest swapping LHS and RHS when RHS impls `PartialEq<lhs_ty>`
Closes: #130495
r? `@fee1-dead`
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Add new unstable feature `const_eq_ignore_ascii_case`
Tracking issue - #131719
Mark `[u8]`, `str` `eq_ignore_ascii_case` functions const
---
The codegen for this implementation matches the existing `iter::zip` implementation better than incrementing with a counter
while loop with counter - https://rust.godbolt.org/z/h9cs5zajc
while let - https://rust.godbolt.org/z/ecMeMjjEb
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Tweak E0320 overflow error wording
Surround type with backticks as we should in every error.
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make char::is_whitespace unstably const
I am adding this to the existing https://github.com/rust-lang/rust/issues/132241 feature gate, since `is_digit` and `is_whitespace` seem similar enough that one can group them together.
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Mark `[u8]`, `str` `eq_ignore_ascii_case` functions const
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Rollup of 5 pull requests
Successful merges:
- #131261 (Stabilize `UnsafeCell::from_mut`)
- #131405 (bootstrap/codegen_ssa: ship llvm-strip and use it for -Cstrip)
- #132077 (Add a new `wide-arithmetic` feature for WebAssembly)
- #132562 (Remove the `wasm32-wasi` target from rustc)
- #132660 (Remove unused errs.rs file)
Failed merges:
- #131721 (Add new unstable feature `const_eq_ignore_ascii_case`)
r? `@ghost`
`@rustbot` modify labels: rollup
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Fixes #132564
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Remove unused errs.rs file
This module was removed in #124895, but the actual file was not removed.
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Remove the `wasm32-wasi` target from rustc
This commit is the final step in the journey of renaming the historical `wasm32-wasi` target in the Rust compiler to `wasm32-wasip1`. Various steps in this journey so far have been:
* 2023-04-03: rust-lang/compiler-team#607 - initial proposal for this rename
* 2024-11-27: rust-lang/compiler-team#695 - amended schedule/procedure for rename
* 2024-01-29: rust-lang/rust#120468 - initial introduction of `wasm32-wasip1`
* 2024-06-18: rust-lang/rust#126662 - warn on usage of `wasm32-wasi`
* 2024-11-08: this PR - remove the `wasm32-wasi` target
The full transition schedule is in [this comment][comment] and is summarized with:
* 2024-05-02: Rust 1.78 released with `wasm32-wasip1` target
* 2024-09-05: Rust 1.81 released warning on usage of `wasm32-wasi`
* 2025-01-09: Rust 1.84 to be released without the `wasm32-wasi` target
This means that support on stable for the replacement target of `wasm32-wasip1` has currently been available for 6 months. Users have already seen warnings on stable for 2 months about usage of `wasm32-wasi` and stable users have another 2 months of warnings before the target is removed from stable.
This commit is intended to be the final step in this transition so the source tree should no longer mention `wasm32-wasi` except in historical reference to the older name of the `wasm32-wasip1` target.
[comment]: https://github.com/rust-lang/rust/pull/120468#issuecomment-1977878747
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Add a new `wide-arithmetic` feature for WebAssembly
This commit adds a new rustc target feature named `wide-arithmetic` for WebAssembly targets. This corresponds to the [wide-arithmetic] proposal for WebAssembly which adds new instructions catered towards accelerating integer arithmetic larger than 64-bits. This proposal to WebAssembly is not standard yet so this new feature is flagged as an unstable target feature. Additionally Rust's LLVM version doesn't support this new feature yet since support will first be added in LLVM 20, so the feature filtering logic for LLVM is updated to handle this.
I'll also note that I'm not currently planning to add wasm-specific intrinsics to `std::arch::wasm32` at this time. The currently proposed instructions are all accessible through `i128` or `u128`-based operations which Rust already supports, so intrinsic shouldn't be necessary to get access to these new instructions.
[wide-arithmetic]: https://github.com/WebAssembly/wide-arithmetic
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r=jieyouxu,albertlarsan68
bootstrap/codegen_ssa: ship llvm-strip and use it for -Cstrip
Fixes #131206.
- Includes `llvm-strip` (a symlink to `llvm-objcopy`) in the compiler dist artifact so that it can be used for `-Cstrip` instead of the system tooling.
- Uses `llvm-strip` instead of `/usr/bin/strip` for macOS. macOS needs a specific linker and the system one is preferred, hence #130781 but that doesn't work when cross-compiling, so use the `llvm-strip` utility instead.
cc #123151
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Stabilize `UnsafeCell::from_mut`
Closes #111645.
FCP: https://github.com/rust-lang/rust/issues/111645#issuecomment-2393893003
Note that because `const_mut_refs` and `const_refs_to_cell` was stabilized, it's okay to const-stabilize this method as well.
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Rollup of 8 pull requests
Successful merges:
- #132259 (rustc_codegen_llvm: Add a new 'pc' option to branch-protection)
- #132409 (CI: switch 7 linux jobs to free runners)
- #132498 (Suggest fixing typos and let bindings at the same time)
- #132524 (chore(style): sync submodule exclusion list between tidy and rustfmt)
- #132567 (Properly suggest `E::assoc` when we encounter `E::Variant::assoc`)
- #132571 (add const_eval_select macro to reduce redundancy)
- #132637 (Do not filter empty lint passes & re-do CTFE pass)
- #132642 (Add documentation on `ast::Attribute`)
r? `@ghost`
`@rustbot` modify labels: rollup
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Surrount type with backticks as we should in every error.
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Add documentation on `ast::Attribute`
I was working again with attributes in clippy recently and I often find myself in need to read the source code to ensure it's doing what I want.
Instead, a bit of documentation would allow me (and hopefully others) to skip this step.
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Do not filter empty lint passes & re-do CTFE pass
Some structs implement `LintPass` without having a `Lint` associated with them #125116 broke that behaviour by filtering them out. This PR ensures that lintless passes are not filtered out.
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add const_eval_select macro to reduce redundancy
I played around a bit with a macro to make const_eval_select invocations look a bit nicer and avoid repeating the argument lists. Here's what I got. What do you think?
I didn't apply this everywhere yet because I wanted to gather feedback first.
The second commit moves the macros from https://github.com/rust-lang/rust/pull/132542 into a more sensible place. It didn't seem worth its own PR and would conflict with this PR if done separately.
Cc ``@oli-obk`` ``@saethlin`` ``@tgross35``
try-job: dist-aarch64-msvc
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Properly suggest `E::assoc` when we encounter `E::Variant::assoc`
Use the right span when encountering an enum variant followed by an associated item so we don't lose the associated item in the resulting code.
Do not suggest the thing twice, once as a removal of the associated item and a second time as a typo suggestion.
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ismailarilik:chore/style/sync-submodule-exclusion-list-between-tidy-and-rustfmt, r=jieyouxu
chore(style): sync submodule exclusion list between tidy and rustfmt
As asked in the FIXME comments
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Suggest fixing typos and let bindings at the same time
Fixes #132483
Currently, a suggestion for adding a let binding won't be shown if we suggest fixing a typo. This changes that behavior to always show both, if possible. Essentially, this turns the suggestion from
```rust
error[E0425]: cannot find value `x2` in this scope
--> src/main.rs:4:5
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4 | x2 = 2;
| ^^ help: a local variable with a similar name exists: `x1`
For more information about this error, try `rustc --explain E0425`.
```
to
```rust
error[E0425]: cannot find value `x2` in this scope
--> src/main.rs:4:5
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4 | x2 = 2;
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help: a local variable with a similar name exists
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4 | x1 = 2;
| ~~
help: you might have meant to introduce a new binding
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4 | let x2 = 2;
| +++
For more information about this error, try `rustc --explain E0425`.
```
for the following code:
```rust
fn main() {
let x1 = 1;
x2 = 2;
}
```
The original behavior only shows the suggestion for a let binding if a typo suggestion wasn't already displayed. However, this falls apart in the cases like the one above where we have multiple similar variables. I don't think it makes sense to hide this suggestion if there's a similar variable, since that defeats the purpose of this suggestion in that case (it's meant to help those coming from languages like Python).
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CI: switch 7 linux jobs to free runners
try-job: x86_64-gnu-aux
try-job: x86_64-gnu-nopt
try-job: x86_64-gnu-tools
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