Rollup of 10 pull requests#158507
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If someone considers moving from `option.into_iter().flatten()` to `option.into_flat_iter()`, it may be important for performance that this iterator "specializes" methods the same way `Flatten` does, especially forwarding to underlying `fold`, etc.
This updates the rust-version file to 029c9e1.
Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@029c9e1 Filtered ref: rust-lang/stdarch@b914e70 Upstream diff: rust-lang/rust@045b177...029c9e1 This merge was created using https://github.com/rust-lang/josh-sync.
Rustc pull update
Correct some wrong uses of LLVM intrinsics
The CRC[C].W.{B,H}.W only consume the low 8/16 bits of the input operand.
The previous unsigned cast was a workaround for Miri's software
implementation.
Miri now masks the inputs to match hardware semantics, and LLVM will
learn the demanded-bits property of CRC intrinsics, so the explicit
zero-extension is no longer required.
Update rand to 0.9.3 to fix `GHSA-cq8v-f236-94qc`
Stabilize LoongArch CRC Intrinsics
loongarch: Remove explicit zero-extension from CRC[C].W.{B,H}.W
We still only support `PROT_READ|PROT_WRITE`, so `mprotect` is a no-op other than validating arguments. We only implement `madvise` for the hints that can be ignored without a change in semantic (e.g. no `MADV_DONTNEED`, so it is also a no-op other than validating arguments.
These intrinsics need `Arguments_Preparation` added so that the intrinsic-test tool knows to generate const arguments.
These intrinsics need `Arguments_Preparation` added so that the intrinsic-test tool knows to generate const arguments.
Clang uses the `llvm.aarch64.sve.rev.bN` intrinsic for `svrev` with `b16`, `b32` and `b64`. This required small generator changes so it knew a bool-to-bool conversion was a no-op and a new blanket identity impl of `SveInto` so the calls generated compile.
Clang uses the `llvm.aarch64.sve.zip.bN` intrinsic for `svzip` with `b16`, `b32` and `b64` and the `llvm.aarch64.sve.uzp.bN` intrinsic for `svuzp` with the same types.
Forward addl. arguments to `intrinsic-test.sh` to `cargo test` so that `--no-fail-fast` or a specific test name can be passed.
…e-sve update `arm_intrinsics.json` for `svset` and `svget`
intrinsic-test: fwd args in `intrinsic-test.sh`
…on-svrev-svzip-svuzp core_arch: redefine `svrev`, `svzip` and `svuzp`
This updates the rust-version file to 8e15021.
Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@8e15021 Filtered ref: rust-lang/stdarch@bc28f3f Upstream diff: rust-lang/rust@029c9e1...8e15021 This merge was created using https://github.com/rust-lang/josh-sync.
Rustc pull update
LLVM updated the name, the old one still works but stdarch is now using the new one
…, r=folkertdev stdarch subtree update Subtree update of `stdarch` to rust-lang/stdarch@62d5595. Created using https://github.com/rust-lang/josh-sync. r? @ghost
… r=jackh726 Add supertrait item shadowing for type-level path resolution This makes type-level name resolution (used primarily for associated types) also prefer subtrait items to supertrait items in case of ambiguity. This addresses the concern from rust-lang#148605 about the inconsistency with name resolution in expressions and method calls.
…=petrochenkov Adds RmetaLinkCache a per-link cache that uses path as the key of dec… Adds `RmetaLinkCache` a per link and path keyed cache of decoded `lib.rmeta-link` archive members and routes the add_archive read through it so that each rlib link metadata is decoded only one per link at most. This is a request that originated from the discussion in rust-lang#156735 and we split it out as its own PR. It gives that PR a decode once path to read instead of reparsing each `rlib` per crate, and this will be in effect once `native_lib_filenames` moves to a link-time read. Part of rust-lang#138243
…otriddle rustdoc: show impl Trait<Box<Local>> for Foreign, etc on Local's docs This is a generalization of rust-lang#92940: that PR handled cases like `impl Foreign for Box<Local>`, but was missing handling for a few other closely related cases. My particular interest was with showing `impl From<Box<Utf8Path>> for Box<Path>` in camino's documentation. But I ended up handling a bunch of related cases along the way. I'm new to rustdoc so please let me know if I got anything wrong :) took a bit to fully understand how this worked. <img width="1733" height="483" alt="image" src="https://github.com/user-attachments/assets/4b987c61-bdac-4de3-a491-c0577e06fa7c" />
miri subtree update Subtree update of `miri` to rust-lang/miri@97eec7c. Created using https://github.com/rust-lang/josh-sync. r? @ghost
…oboet Expand `OptionFlatten`'s iterator methods If someone considers moving from `option.into_iter().flatten()` to `option.into_flat_iter()`, it may be important for performance that this iterator "specializes" methods the same way `Flatten` does, especially forwarding to underlying `fold`, etc.
…y-count, r=petrochenkov Fix too-short variance slice in `variances_of` cycle recovery This changes the cycle-error fallback in `variances_of` to size the slice the same way the provider does in [`variance/solve.rs:117`](https://github.com/rust-lang/rust/blob/32ea3615cc027bcb8fd720c7511ffb484f6223a3/compiler/rustc_hir_analysis/src/variance/solve.rs#L117). This can otherwise ICE under the parallel frontend in `relate_args_with_variances` for items that inherit their generics from a parent (like a tuple struct constructor). See rust-lang#154560 (comment)
…rget, r=JonathanBrouwer Allow the unstable attribute on foreign type While working the `FnPtr` trait in rust-lang#156176 @carbotaniuman was trying to implement `Code` as an extern type but got an error as the current stability infrastructure does not allow `unstable` attribute on foreign type. rust-lang#158200 This PR fixes that by allowing the `unstable` attribute on ForeignTy and adds test to verify. @rustbot r? @JonathanBrouwer
…itions, r=GuillaumeGomez Upgrade `jsonsocck` and `jsondoclint` to edition 2024. No code changes were necessary to perform the upgrade. I used `cargo fix --edition`, and additionally had an AI tool review the source code against the [Rust 2024 edition guide](https://github.com/rust-lang/edition-guide/tree/master/src/rust-2024) and the [edition upgrade guide](https://doc.rust-lang.org/edition-guide/editions/transitioning-an-existing-project-to-a-new-edition.html) to ensure the change works properly. r? @GuillaumeGomez **AI disclosure:** This PR is the product of a combination of manual work and AI tools. I secured approval in advance from the designated reviewer. I stand behind the quality of the code I'm submitting, and I vouch it's as good or better compared to if I had written every line by my own hand.
…-types-edition, r=GuillaumeGomez Upgrade `rustdoc-json-types` to 2024 edition. No code changes were necessary to perform the upgrade. I used `cargo fix --edition`, and additionally had an AI tool review the source code against the [Rust 2024 edition guide](https://github.com/rust-lang/edition-guide/tree/master/src/rust-2024) and the [edition upgrade guide](https://doc.rust-lang.org/edition-guide/editions/transitioning-an-existing-project-to-a-new-edition.html) to ensure the change works properly. Same approach as in rust-lang#158470. I don't believe this will raise the MSRV of `rustdoc-types`, because [its MSRV is already 1.85](https://crates.io/crates/rustdoc-types) which [supports the 2024 edition](https://blog.rust-lang.org/2025/02/20/Rust-1.85.0/). r? @GuillaumeGomez **AI disclosure:** This PR is the product of a combination of manual work and AI tools. I secured approval in advance from the designated reviewer. I stand behind the quality of the code I'm submitting, and I vouch it's as good or better compared to if I had written every line by my own hand.
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Successful merges:
OptionFlatten's iterator methods #153097 (ExpandOptionFlatten's iterator methods)variances_ofcycle recovery #158163 (Fix too-short variance slice invariances_ofcycle recovery)jsonsocckandjsondoclintto edition 2024. #158470 (Upgradejsonsocckandjsondoclintto edition 2024.)rustdoc-json-typesto 2024 edition. #158488 (Upgraderustdoc-json-typesto 2024 edition.)r? @ghost
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