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r=notriddle,GuillaumeGomez
rustdoc: Switch from FxHash to sha256 for static file hashing.
Fixes https://github.com/rust-lang/rust/pull/129533#issuecomment-2422891519
fxhash isn't well defined, and it's implementation is being changed in #129533. But because rustdoc uses it for static files (and encodes that hashing in rustdoc.css), this broke our tests. Given that this isn't performace critical, I think the right fix is to used a well-defined hash that will never change its definition. I've picked (rather arbitrarily) sha256.
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Mark unexpected variant res suggestion as having placeholders
Fixes #131878
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Update `use` keyword docs to describe precise capturing
I noticed that the standard library keyword docs for the `use` keyword haven't been updated yet to describe the new precise capturing syntax.
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bootstrap: allow setting `--jobs` in config.toml
Allow setting `--jobs` in config.toml's `[build]` section.
```toml
[build]
jobs = 0
```
If this is unset or set to zero in config.toml, we look at `--jobs` flag. If that is also unset, then we fallback to `std::thread::available_parallelism`. If that is not available, then we default to `1`. The flags and `available_parallelism` fallback are already setup, this PR just adds a config.toml option to wire that up.
Closes #131836.
r? bootstrap
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Fix range misleading field access
Fixes #131471 by checking if the range-start is a literal.
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std: uefi: Add basic Env variables
- Implement environment variable functions
- Using EFI Shell protocol.
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Make `profiler_builtins` an optional dependency of sysroot, not std
This avoids unnecessary rebuilds of std (and the compiler) when `build.profiler` is toggled off or on.
Fixes #131812.
---
Background: The `profiler_builtins` crate has been an optional dependency of std (behind a cargo feature) ever since it was added back in #42433. But as far as I can tell that has only ever been a convenient way to force the crate to be built, not a genuine dependency.
The side-effect of this false dependency is that toggling `build.profiler` causes a rebuild of std and the compiler, which shouldn't be necessary. This PR therefore makes `profiler_builtins` an optional dependency of the dummy sysroot crate (#108865), rather than a dependency of std.
What makes this change so small is that all of the necessary infrastructure already exists. Previously, bootstrap would enable the `profiler` feature on the sysroot crate, which would forward that feature to std. Now, enabling that feature directly enables sysroot's `profiler_builtins` dependency instead.
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I believe this is more of a bootstrap change than a libs change, so tentatively:
r? bootstrap
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Update cargo
7 commits in 8c30ce53688e25f7e9d860b33cc914fb2957ca9a..cf53cc54bb593b5ec3dc2be4b1702f50c36d24d5
2024-10-15 16:43:16 +0000 to 2024-10-18 13:56:15 +0000
- feat: Stabilize MSRV-aware resolver config (rust-lang/cargo#14639)
- Help with `[patch.crates.io]` (rust-lang/cargo#14700)
- test: Migrate publish snapshotting to snapbox (rust-lang/cargo#14642)
- Bump to 0.85.0; update changelog (rust-lang/cargo#14695)
- Fix typo in faq.md (rust-lang/cargo#14696)
- fix(registry): `HttpRegistry` `block_until_ready` returns early when work is still pending (rust-lang/cargo#14694)
- fix(resolver): avoid cloning when iterating using RcVecIter (rust-lang/cargo#14690)
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Clippy subtree update
One day late with the sync, as I was sick yesterday.
Cargo.lock update includes Clippy version bump and some deps cleanup we did in Clippy to match more versions used in the Rust repo.
r? `@Manishearth`
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- Since in almost all cases, there will only be 1 UEFI shell, share the
shell handle between all functions that require it.
Signed-off-by: Ayush Singh <ayush@beagleboard.org>
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- Implement environment variable functions
- Using EFI Shell protocol.
Signed-off-by: Ayush Singh <ayush@beagleboard.org>
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Rollup of 3 pull requests
Successful merges:
- #126207 (std::unix::stack_overflow::drop_handler addressing todo through libc …)
- #131864 (Never emit `vptr` for empty/auto traits)
- #131870 (compiletest: Store test collection context/state in two structs)
r? `@ghost`
`@rustbot` modify labels: rollup
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Fixes #131471 by checking if the range-start is a literal.
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compiletest: Store test collection context/state in two structs
This is another incremental cleanup that untangles some of the parameter passing during test collection, making it easier to see which pieces of context information are read-only, and making it easier to find where each field is used.
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Never emit `vptr` for empty/auto traits
Emiting `vptr`s for empty/auto traits is unnecessary (#114942) and causes unsoundness in `trait_upcasting` (#131813). This PR should ensure that we never emit vtables for such traits. See the linked issues for more details.
I'm not sure if I can add tests for the vtable layout. So this PR only adds tests for the soundness hole (i.e., the segmentation fault will disappear after this PR).
Fixes #114942
Fixes #131813
Cc #65991 (tracking issue for `trait_upcasting`)
r? `@WaffleLapkin` (per https://github.com/rust-lang/rust/issues/131813#issuecomment-2419969745)
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std::unix::stack_overflow::drop_handler addressing todo through libc …
…update
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Abstract the state type for futexes
In the same way that we expose `SmallAtomic` and `SmallPrimitive` to allow Windows to use a value other than an `AtomicU32` for its futex state, switch the primary futex state type from `AtomicU32` to `futex::Futex`. The `futex::Futex` type should be usable as an atomic value with underlying primitive type equal to `futex::Primitive`. (`SmallAtomic` is also renamed to `SmallFutex`).
This allows supporting the futex API on systems where the underlying kernel futex implementation requires more user state than simply an `AtomicU32`.
All in-tree futex implementations simply define {`Futex`,`Primitive`} directly as {`AtomicU32`,`u32`}.
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clippy-subtree-update
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Rustup
r? `@ghost`
changelog: none
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Rollup of 9 pull requests
Successful merges:
- #130136 (Partially stabilize const_pin)
- #131755 (Regression test for AVR `rjmp` offset)
- #131774 (Add getentropy for RTEMS)
- #131802 (Dont ICE when computing coverage of synthetic async closure body)
- #131809 (Fix predicate signatures in retain_mut docs)
- #131858 (Remove outdated documentation for `repeat_n`)
- #131866 (Avoid use imports in `thread_local_inner!`)
- #131874 (Default to the medium code model on OpenHarmony LoongArch target)
- #131877 (checktools.sh: add link to issue for more context about disabled Miri tests)
r? `@ghost`
`@rustbot` modify labels: rollup
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checktools.sh: add link to issue for more context about disabled Miri tests
Adds some context for the changes made in https://github.com/rust-lang/rust/pull/130072.
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Default to the medium code model on OpenHarmony LoongArch target
The context for this is #130266: setting the medium code model for the `loongarch64-linux-ohos` target.
r? ```@jieyouxu```
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Avoid use imports in `thread_local_inner!`
Previously, the use imports in `thread_local_inner!` can shadow user-provided types or type aliases of the names `Storage`, `EagerStorage`, `LocalStorage` and `LocalKey`. This PR fixes that by dropping the use imports and instead refer to the std-internal types via fully qualified paths. A basic test is added to ensure `thread_local!`s with static decls with type names that match the aforementioned std-internal type names can successfully compile.
Fixes #131863.
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AnthonyMikh:AnthonyMikh/repeat_n-is-not-that-special-anymore, r=jhpratt
Remove outdated documentation for `repeat_n`
After #106943, which made `Take<Repeat<I>>` implement `ExactSizeIterator`, part of documentation about difference from `repeat(x).take(n)` is no longer valid.
````@rustbot```` labels: +A-docs, +A-iterators
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Fix predicate signatures in retain_mut docs
This is my first PR here so let me know if I'm doing anything wrong.
The docs for `retain_mut` in `LinkedList` and `VecDeque` say the predicate takes `&e`, but it should be `&mut e` to match the actual signature. `Vec` [has it documented](https://doc.rust-lang.org/std/vec/struct.Vec.html#method.retain_mut) correctly already.
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Dont ICE when computing coverage of synthetic async closure body
I'm not totally certain if this is *right*, but at least it doesn't ICE.
The issue is that we end up generating two MIR bodies for each async closure, since the `FnOnce` and `Fn`/`FnMut` implementations have different borrowing behavior of their captured variables. They should ideally both contribute to the coverage, since those MIR bodies are (*to the user*) the same code and should have no behavioral differences.
This PR at least suppresses the ICEs, and then I guess worst case we can fix this the right way later.
r? Zalathar or re-roll
Fixes #131190
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Add getentropy for RTEMS
RTEMS provides the `getentropy` function.
Use this for providing random data.
This PR enables the `getentropy` function for the RTEMS operating system to get random data.
It is exposed via libc (see https://github.com/rust-lang/libc/pull/3975).
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Regression test for AVR `rjmp` offset
This adds a regression test for #129301 by minimizing the code in the linked issue and putting it into a `#![no_core]`-compatible format, so that it can easily be used within an `rmake`-test. This needs to be a `rmake` test (opposed to a `tests/assembly` one), since the linked issue describes, that the problem only occurs if the code is directly compiled. Note, that `lld` is used instead of `avr-gcc`; see the [comments](https://github.com/rust-lang/rust/pull/131755#issuecomment-2416469675) [below](https://github.com/rust-lang/rust/pull/131755#issuecomment-2417160045).
Closes #129301.
To show, that the test actually catches the wrong behavior, this can be tested with a faulty rustc:
```bash
$ rustup install nightly-2024-08-19
$ rustc +nightly-2024-08-19 -C opt-level=s -C panic=abort --target avr-unknown-gnu-atmega328 -Clinker=build/x86_64-unknown-linux-gnu/ci-llvm/bin/lld -Clink-arg='--entry=main' -o compiled tests/run-make/avr-rjmp-offset/avr-rjmp-offsets.rs
$ llvm-objdump -d compiled | grep '<main>' -A 6
000110b4 <main>:
110b4: 81 e0 ldi r24, 0x1
110b6: 92 e0 ldi r25, 0x2
110b8: 85 b9 out 0x5, r24
110ba: 95 b9 out 0x5, r25
110bc: fe cf rjmp .-4
```
One can see, that the wrong label offset (`4` instead of `6`) is produced, which would trigger an assertion in the test case.
This would be a good candidate for using the `minicore` proposed in #130693. Since this is not yet merged, there is a FIXME.
r? Patryk27
I think, you are the yet-to-be official target maintainer, hence I'll assign to you.
`@rustbot` label +O-AVR
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Partially stabilize const_pin
Tracking issue #76654.
Eight of these methods can be made const-stable. The remainder are blocked on #73255.
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CI: use free runners for 4-core Linux jobs
It looks like the [free runners](https://docs.github.com/en/actions/using-github-hosted-runners/using-github-hosted-runners/about-github-hosted-runners#standard-github-hosted-runners-for-public-repositories) already have the same spec as the `4c` custom "large" runner (4 cores, 16 GiB of memory, Ubuntu 20.04).
try-job: arm-android
try-job: armhf-gnu
try-job: dist-aarch64-linux
try-job: dist-android
try-job: dist-arm-linux
try-job: dist-armhf-linux
try-job: dist-armv7-linux
try-job: dist-i586-gnu-i586-i686-musl
try-job: dist-i686-linux
try-job: dist-loongarch64-linux
try-job: dist-loongarch64-musl
try-job: dist-ohos
try-job: dist-powerpc-linux
try-job: dist-powerpc64-linux
try-job: dist-powerpc64le-linux
try-job: dist-riscv64-linux
try-job: dist-s390x-linux
try-job: dist-various-1
try-job: dist-various-2
try-job: dist-x86_64-freebsd
try-job: dist-x86_64-illumos
try-job: dist-x86_64-netbsd
try-job: mingw-check
try-job: test-various
try-job: x86_64-gnu
try-job: x86_64-gnu-stable
try-job: x86_64-gnu-aux
try-job: x86_64-gnu-debug
try-job: x86_64-gnu-nopt
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The context for this is #130266: setting the medium code model for the
'loongarch64-linux-ohos' target.
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Rollup of 5 pull requests
Successful merges:
- #131654 (Various fixes for Xous)
- #131743 (rustc_metadata: minor tidying)
- #131823 (Bump libc to 0.2.161)
- #131850 (Missing parenthesis)
- #131857 (Allow dropping dyn principal)
r? `@ghost`
`@rustbot` modify labels: rollup
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The new name makes it clearer that this is a timestamp, and is collected from
input files considered common to all tests.
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Allow dropping dyn principal
Revival of #126660, which was a revival of #114679. Fixes #126313.
Allows dropping principal when coercing trait objects, e.g. `dyn Debug + Send` -> `dyn Send`.
cc `@compiler-errors` `@Jules-Bertholet`
r? `@lcnr`
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