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Update stdarch submodule
Updates the stdarch submodule.
## Merged PRs
- rust-lang/stdarch#1797
- rust-lang/stdarch#1758
- rust-lang/stdarch#1798
- rust-lang/stdarch#1811
- rust-lang/stdarch#1810
- rust-lang/stdarch#1807
- rust-lang/stdarch#1806
- rust-lang/stdarch#1812
- rust-lang/stdarch#1795
- rust-lang/stdarch#1796
- rust-lang/stdarch#1813
- rust-lang/stdarch#1816
- rust-lang/stdarch#1818
- rust-lang/stdarch#1820
- rust-lang/stdarch#1819
r? `@Amanieu`
`@rustbot` label T-libs-api
Closes rust-lang/rust#111137
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also adjust the wording a little so that we don't say "the error occurred here" for two different spans
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bootstrap: Remove `rustc_snapshot_libdir` from PATH in one more place
Same as https://github.com/rust-lang/rust/pull/141657 but in a different part of the build system, with the same goal of addressing [#t-infra/bootstrap > Build broken in MSYS2 @ 💬](https://rust-lang.zulipchat.com/#narrow/channel/326414-t-infra.2Fbootstrap/topic/Build.20broken.20in.20MSYS2/near/520709527).
It seems to work on windows-{gnu,msvc} and linux-gnu at least.
r? jieyouxu
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Rollup of 8 pull requests
Successful merges:
- rust-lang/rust#137992 (Stabilise `os_string_pathbuf_leak`)
- rust-lang/rust#141558 (Limit the size of cgu names when using the `-Zhuman-readable-cgu-name…)
- rust-lang/rust#141797 (compiler: set Apple frame pointers by architecture)
- rust-lang/rust#141857 (coretests: move float tests from num to floats module and use a more flexible macro to generate them)
- rust-lang/rust#142045 (Make obligation cause code suggestions verbose)
- rust-lang/rust#142076 (Check documentation of bootstrap in PR CI)
- rust-lang/rust#142110 (Add solaris targets to build-manifest)
- rust-lang/rust#142131 (Make cast suggestions verbose)
r? `@ghost`
`@rustbot` modify labels: rollup
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Add solaris targets to build-manifest
this is follow up for: https://github.com/rust-lang/rust/pull/138699
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Check documentation of bootstrap in PR CI
It's annoying when wrong doc comments in bootstrap [break](https://github.com/rust-lang/rust/pull/141272#issuecomment-2943614152) `auto` CI. This has happened a few times recently, and documenting bootstrap with the stage0 compiler should be pretty quick, so let's add it to PR CI.
r? ``@marcoieni``
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Fix `create-docs-artifacts.sh` with new bors
The slashes in the branch name (`automation/bors/try`) were causing issues for this script (https://github.com/rust-lang/rust/actions/runs/15391908130/job/43303193243).
r? `@marcoieni`
try-job: `mingw-check*`
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This hint allows the compiler to optimize its operation based on this
assumption, in order to compile faster. This is a hint, and does not
guarantee any particular behavior.
This option can substantially speed up compilation if applied to a large
dependency where the majority of the dependency does not get used. This flag
may slow down compilation in other cases.
Currently, this option makes the compiler defer as much code generation as
possible from functions in the crate, until later crates invoke those
functions. Functions that never get invoked will never have code generated for
them. For instance, if a crate provides thousands of functions, but only a few
of them will get called, this flag will result in the compiler only doing code
generation for the called functions. (This uses the same mechanisms as
cross-crate inlining of functions.) This does not affect `extern` functions, or
functions marked as `#[inline(never)]`.
Some performance numbers, based on a crate with many dependencies having
just *one* large dependency set to `-Z hint-mostly-unused` (using
Cargo's `profile-rustflags` option):
A release build went from 4m07s to 2m04s.
A non-release build went from 2m26s to 1m28s.
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Rollup of 11 pull requests
Successful merges:
- rust-lang/rust#140418 (Reexport types from `c_size_t` in `std`)
- rust-lang/rust#141471 (unsafe keyword docs: emphasize that an unsafe fn in a trait does not get to choose its safety contract)
- rust-lang/rust#141603 (Reduce `ast::ptr::P` to a typedef of `Box`)
- rust-lang/rust#142043 (Verbose suggestion to make param `const`)
- rust-lang/rust#142086 (duduplicate more AST visitor methods)
- rust-lang/rust#142103 (Update `InterpCx::project_field` to take `FieldIdx`)
- rust-lang/rust#142105 (remove extraneous text)
- rust-lang/rust#142112 (fix typo)
- rust-lang/rust#142113 (Reduce confusion of some drop order tests)
- rust-lang/rust#142114 (Compute number of digits instead of relying on constant value for u128 display code)
- rust-lang/rust#142118 (rustc_lexer: typo fix + small cleanups)
r? `@ghost`
`@rustbot` modify labels: rollup
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Update `InterpCx::project_field` to take `FieldIdx`
As suggested by Ralf in https://github.com/rust-lang/rust/pull/142005#discussion_r2125839015
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Reduce `ast::ptr::P` to a typedef of `Box`
As per the MCP at https://github.com/rust-lang/compiler-team/issues/878.
r? `@fee1-dead`
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r=saethlin
bootstrap: build std sans leaf frame pointers
Sometimes leaf frame-pointers can impact LLVM inlining choices, and that can be a real problem for things like `mul_add`.
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possible
But default to not to.
I chose to have a more generic config name because maybe other assists could also use the same approach.
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Rollup of 11 pull requests
Successful merges:
- rust-lang/rust#125087 (Optimize `Seek::stream_len` impl for `File`)
- rust-lang/rust#141982 (`tests/ui`: A New Order [5/N])
- rust-lang/rust#142012 (Replace some `Option<Span>` with `Span` and use DUMMY_SP instead of None)
- rust-lang/rust#142044 (compiler: Document the offset invariant of `OperandValue::Pair`)
- rust-lang/rust#142047 (Ensure stack in two places that affect s390x)
- rust-lang/rust#142058 (Clean `rustc_attr_parsing/src/lib.rs` documentation)
- rust-lang/rust#142067 (canon_abi: make to_erased_extern_abi just a detail in formatting)
- rust-lang/rust#142072 (doc: Fix inverted meaning in E0783.md)
- rust-lang/rust#142084 (add myself to rotation)
- rust-lang/rust#142091 (Fix AIX build)
- rust-lang/rust#142092 (rustdoc: Support middle::ty associated const equality predicates again)
Failed merges:
- rust-lang/rust#142042 (Make E0621 missing lifetime suggestion verbose)
r? `@ghost`
`@rustbot` modify labels: rollup
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use File::lock to implement flock, and add a test for File::lock
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rmehri01/rmehri01/diagnostic_attribute_completions
feat: implement attribute completions for diagnostics module
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fix: Record macro calls for fields in `ChildBySource` impls
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fix: Always include quickfixes for diagnostics, even when diagnostics are disabled
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modularize the config module bootstrap
Currently, our `config` module is quite large over 3,000 lines, and handles a wide range of responsibilities. This PR aims to break it down into smaller, more focused submodules to improve readability and maintainability:
* **`toml`**: Introduces a dedicated `toml` submodule within the `config` module. Its sole purpose is to define configuration-related structs along with their corresponding deserialization logic. It also contains the `parse_inner` method, which serves as the central function for extracting relevant information from the TOML structs and constructing the final configuration.
* **`rust`, `dist`, `install`, `llvm`, `build`, `gcc`, and others**: Each of these modules contains TOML subsections specific to their domain, along with the logic necessary to convert them into parts of the final configuration struct.
* **`config/mod.rs`**: Contains shared types and enums used across multiple TOML subsections.
* **`config/config.rs`**: Houses the logic that integrates all the TOML subsections into the complete configuration struct.
r? `@kobzol`
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As suggested by Ralf in 142005.
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MCP: https://github.com/rust-lang/compiler-team/issues/865
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rustdoc: Support middle::ty associated const equality predicates again
Fix intentional regression from PR rust-lang/rust#125076.
Fixes rust-lang/rust#125092.
Fixes rust-lang/rust#134775.
CC rust-lang/rust#141368 (`EqPredicates` and rustdoc).
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Replace some `Option<Span>` with `Span` and use DUMMY_SP instead of None
Turns out many locations actually have a span available that we could use, so I used it
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r=traviscross,jieyouxu
Add a new `mismatched-lifetime-syntaxes` lint
The lang-team [discussed this](https://hackmd.io/nf4ZUYd7Rp6rq-1svJZSaQ) and I attempted to [summarize](https://github.com/rust-lang/rust/pull/120808#issuecomment-2701863833) their decision. The summary-of-the-summary is:
- Using two different kinds of syntax for elided lifetimes is confusing. In rare cases, it may even [lead to unsound code](https://github.com/rust-lang/rust/issues/48686)! Some examples:
```rust
// Lint will warn about these
fn(v: ContainsLifetime) -> ContainsLifetime<'_>;
fn(&'static u8) -> &u8;
```
- Matching up references with no lifetime syntax, references with anonymous lifetime syntax, and paths with anonymous lifetime syntax is an exception to the simplest possible rule:
```rust
// Lint will not warn about these
fn(&u8) -> &'_ u8;
fn(&'_ u8) -> &u8;
fn(&u8) -> ContainsLifetime<'_>;
```
- Having a lint for consistent syntax of elided lifetimes will make the [future goal](https://github.com/rust-lang/rust/issues/91639) of warning-by-default for paths participating in elision much simpler.
---
This new lint attempts to accomplish the goal of enforcing consistent syntax. In the process, it supersedes and replaces the existing `elided-named-lifetimes` lint, which means it starts out life as warn-by-default.
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Rollup of 7 pull requests
Successful merges:
- rust-lang/rust#141709 (jsondocck: Refactor directive handling)
- rust-lang/rust#141974 (`tests/ui`: A New Order [4/N])
- rust-lang/rust#141989 (rustdoc-json-type: Depend on `serde` and `serde_derive` seperately)
- rust-lang/rust#142015 (Report the actual item that evaluation failed for)
- rust-lang/rust#142026 (bootstrap: Fix file permissions when dereferencing symlinks)
- rust-lang/rust#142032 (Fix parsing of frontmatters with inner hyphens)
- rust-lang/rust#142036 (Update the `compiler-builtins` subtree)
r? `@ghost`
`@rustbot` modify labels: rollup
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Better parser recovery for macro calls in type bound position
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bootstrap: Fix file permissions when dereferencing symlinks
## Problem
When copying files in the bootstrap process with `dereference_symlinks = true`, we're incorrectly using the symlink's metadata to set permissions on the copied regular file, which results in the following error:
```
Warning: Failed to set file times for "/build/nix-build-rustc-1.86.0.drv-0/rustc-1.86.0-src/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin/llvm-strip" (permissions: Permissions(FilePermissions { mode: 0o100000 (----------) })) error: Permission denied (os error 13)
```
Verbose Logs confirming the error:
```
TRACE: Found llvm-strip copy operation
Source: /n/nix/tech/store/n34yzv2n50p6lbjmx089vjym121wbl4j-llvm-19.1.7/bin/llvm-strip
Destination: /build/nix-build-rustc-1.86.0.drv-0/rustc-1.86.0-src/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin/llvm-strip
Source is_symlink (via symlink_metadata): true
Source symlink_metadata permissions: 120000
Source symlink_metadata file_type: FileType { is_file: false, is_dir: false, is_symlink: true, .. }
Source is symlink pointing to: llvm-objcopy
Source raw mode: 120000
Source filetype: 120000
Setting permissions: Permissions(FilePermissions { mode: 0o120000 (l---------) })
Permission mode to set: 120000
Raw permission bits: 120000
File type bits being set: 120000
Permission bits being set: 0
WARNING: Attempting to set symlink file type (120000) on regular file!
WARNING: Setting zero permission bits will make file inaccessible!
Destination permissions after set_permissions: 100000
```
## Solution
After canonicalizing a symlink path, fetch the metadata of the target file instead of continuing to use the symlink's metadata. This ensures:
- Correct file type detection
- Proper permission bits for the target file
- Maintains existing behavior for non-symlink cases
## Testing
Verified fix resolves permission errors:
```
rustc> llvm-strip: Original metadata mode: 120000, is_symlink: true
rustc> llvm-strip: Target metadata mode after fix: 100555
rustc> llvm-strip: Final permissions mode: 100555
```
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rustdoc-json-type: Depend on `serde` and `serde_derive` seperately
Before this commit, serde_derive is built before serde. But serde does not depend on serde_derive, so that is not needed. Instead, build serde and serde_derive in parallel.
This speeds up compilation for users depending on rustdoc-json-types out of tree.
Imports: https://github.com/rust-lang/rustdoc-types/pull/49
CC ``@Enselic``
r? ``@GuillaumeGomez``
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