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internal: Add a regression test for a fixed new trait solver bug
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Not sure what exactly fixed it, but why not.
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To make it backwards-compatible.
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Rollup of 5 pull requests
Successful merges:
- rust-lang/rust#145682 (Promote aarch64-pc-windows-msvc to Tier 1)
- rust-lang/rust#145690 (Implement Integer funnel shifts)
- rust-lang/rust#146119 (compiletest: Implement an experimental `--new-output-capture` mode)
- rust-lang/rust#146168 (Update bootstrap's dependencies to remove winapi and old windows-sys)
- rust-lang/rust#146182 (Don't require next-solver `ProbeRef` to be `Copy`)
r? `@ghost`
`@rustbot` modify labels: rollup
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Example
---
```rust
#[cfg_attr($0, must_use)]
struct Foo;
```
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compiletest: Implement an experimental `--new-output-capture` mode
Thanks to the efforts on rust-lang/rust#140192, compiletest no longer has an unstable dependency on libtest, but it still has an unstable dependency on `#![feature(internal_output_capture)]`. That makes building compiletest more complicated than for most other bootstrap tools.
This PR therefore adds opt-in support for an experimental compiletest mode that avoids the use of `internal_output_capture` APIs, and instead uses more mundane means to capture the output of individual test runners.
Each `TestCx` now contains `&dyn ConsoleOut` references for stdout and stderr. All print statements in `compiletests::runtest` have been replaced with `write!` or `writeln!` calls that explicitly write to one of those trait objects. The underlying implementation then forwards to `print!` or `eprint!` (for `--no-capture` or old-output-capture mode), or writes to a separate buffer (in new-output-capture mode).
---
Currently, new-output-capture is disabled by default. It can be explicitly enabled in one of two ways:
- When running `x test`, pass `--new-output-capture=on` as a *compiletest* argument (after `--`).
- E.g. `x test ui -- --new-output-capture=on`.
- The short form is `-Non` or `-Ny`.
- Set environment variable `COMPILETEST_NEW_OUTPUT_CAPTURE=on`.
After some amount of opt-in testing, new-output-capture will become the default (with a temporary opt-out). Eventually, old-output-capture and `#![feature(internal_output_capture)]` will be completely removed from compiletest.
r? jieyouxu
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Implement Integer funnel shifts
Tracking issue: rust-lang/rust#145686
ACP: https://github.com/rust-lang/libs-team/issues/642
This implements funnel shifts on primitive integer types. Implements this for cg_llvm, with a fallback impl for everything else
Thanks `@folkertdev` for the fixes and tests
cc `@rust-lang/libs-api`
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Update cargo submodule
12 commits in a6c58d43051d01d83f55a3e61ef5f5b2b0dd6bd9..761c4658d0079d607e6d33cf0c060e61a617cad3
2025-08-26 23:05:12 +0000 to 2025-09-04 01:25:01 +0000
- refactor(shell): Prepare for `Report`s being generated in more places (rust-lang/cargo#15920)
- refactor(frontmatter): Pull out as a dedicated mod (rust-lang/cargo#15914)
- chore: downgrade to libc@0.2.174 (rust-lang/cargo#15918)
- fix(publish): Don't generate final artifacts (rust-lang/cargo#15910)
- chore: Address most typos (rust-lang/cargo#15911)
- chore(deps): update rust crate annotate-snippets to 0.12.1 (rust-lang/cargo#15909)
- test(script): Switch frontmatter tests to end-to-end (rust-lang/cargo#15899)
- chore: fix some typos and grammar (rust-lang/cargo#15905)
- Update dependencies (rust-lang/cargo#15904)
- feat: Don't stop at first error when emitting lints and warnings (rust-lang/cargo#15889)
- fix(cli): Show the bad manifest path (rust-lang/cargo#15896)
- chore(deps): update rust crate tracing-subscriber to v0.3.20 [security] (rust-lang/cargo#15898)
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Pull recent changes from https://github.com/rust-lang/rust via Josh.
Upstream ref: 9385c64c95d971329e62917adc4349c8ccdbafe0
Filtered ref: 80818ce34771a13f1a67a706e7e283ba58bdc460
This merge was created using https://github.com/rust-lang/josh-sync.
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This updates the rust-version file to 9385c64c95d971329e62917adc4349c8ccdbafe0.
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Rollup of 24 pull requests
Successful merges:
- rust-lang/rust#140459 (Add `read_buf` equivalents for positioned reads)
- rust-lang/rust#143725 (core: add Peekable::next_if_map)
- rust-lang/rust#145209 (Stabilize `path_add_extension`)
- rust-lang/rust#145342 (fix drop scope for `super let` bindings within `if let`)
- rust-lang/rust#145750 (raw_vec.rs: Remove superfluous fn alloc_guard)
- rust-lang/rust#145827 (On unused binding or binding not present in all patterns, suggest potential typo of unit struct/variant or const)
- rust-lang/rust#145932 (Allow `inline(always)` with a target feature behind a unstable feature `target_feature_inline_always`.)
- rust-lang/rust#145962 (Ensure we emit an allocator shim when only some crate types need one)
- rust-lang/rust#145963 (Add LSX accelerated implementation for source file analysis)
- rust-lang/rust#146054 (add `#[must_use]` to `array::repeat`)
- rust-lang/rust#146090 (Derive `PartialEq` for `InvisibleOrigin`)
- rust-lang/rust#146112 (don't uppercase error messages)
- rust-lang/rust#146120 (Correct typo in `rustc_errors` comment)
- rust-lang/rust#146124 (Test `rustc-dev` in `distcheck`)
- rust-lang/rust#146127 (Rename `ToolRustc` to `ToolRustcPrivate`)
- rust-lang/rust#146131 (rustdoc-search: add test case for indexing every item type)
- rust-lang/rust#146134 (llvm: nvptx: Layout update to match LLVM)
- rust-lang/rust#146136 (docs(std): add missing closing code block fences in doc comments)
- rust-lang/rust#146137 (Disallow frontmatter in `--cfg` and `--check-cfg` arguments)
- rust-lang/rust#146140 (compiletest: cygwin follows windows in using PATH for dynamic libraries)
- rust-lang/rust#146150 (fix(rustdoc): match rustc `--emit` precedence )
- rust-lang/rust#146155 (Make bootstrap self test parallel)
- rust-lang/rust#146161 ([rustdoc] Uncomment code to add scraped rustdoc examples in loaded paths)
- rust-lang/rust#146172 (triagebot: configure some pings when certain attributes are used)
r? `@ghost`
`@rustbot` modify labels: rollup
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triagebot: configure some pings when certain attributes are used
Let's try this out in practice. :)
Cc `@rust-lang/miri` `@rust-lang/wg-const-eval` `@Urgau`
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compiletest: cygwin follows windows in using PATH for dynamic libraries
`@Berrysoft`
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miri subtree update
Subtree update of `miri` to https://github.com/rust-lang/miri/commit/883dbf03e2a82ed7922122d8c2c2c60a5844b90d.
Created using https://github.com/rust-lang/josh-sync.
r? `@ghost`
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Add minimal functionality for using GenMC mode
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Example
---
```rust
fn f() { $0!(1 || 3 && 4 || 5) }
```
->
```rust
fn f() { !1 && !(3 && 4) && !5 }
```
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std: Start supporting WASIp2 natively
This commit is the start of an effort to support WASIp2 natively in the
standard library. Before this commit the `wasm32-wasip2` target behaved
exactly like `wasm32-wasip1` target by importing APIs from the core wasm
module `wasi_snapshot_preview1`. These APIs are satisfied by the
`wasm-component-ld` target by using an [adapter] which implements WASIp1
in terms of WASIp2. This adapter comes at a cost, however, in terms of
runtime indirection and instantiation cost, so ideally the adapter would
be removed entirely. The purpose of this adapter was to provide a
smoother on-ramp from WASIp1 to WASIp2 when it was originally created.
The `wasm32-wasip2` target has been around for long enough now that it's
much more established. Additionally the only thing historically blocking
using WASIp2 directly was implementation effort. Work is now underway to
migrate wasi-libc itself to using WASIp2 directly and now seems as good
a time as any to migrate the Rust standard library too.
Implementation-wise the milestones here are:
* The `wasm32-wasip2` target now also depends on the `wasi` crate at
version 0.14.* in addition to the preexisting dependency of 0.11.*.
The 0.14.* release series binds WASIp2 APIs instead of WASIp1 APIs.
* Some preexisting naming around `mod wasi` or `wasi.rs` was renamed to
`wasip1` where appropriate. For example `std::sys::pal::wasi` is now
called `std::sys::pal::wasip1`.
* More platform-specific WASI modules are now split between WASIp1 and
WASIp2. For example getting the current time, randomness, and
process arguments now use WASIp2 APIs directly instead of using WASIp1
APIs that require an adapter.
It's worth pointing out that this PR does not migrate the entire
standard library away from using WASIp1 APIs on the `wasm32-wasip2`
target. Everything related to file descriptors and filesystem APIs is
still using WASIp1. Migrating that is left for a future PR. In the
meantime the goal of this change is to lay the groundwork necessary for
migrating in the future. Eventually the goal is to drop the `wasi`
0.11.* dependency on the `wasm32-wasip2` target (the `wasm32-wasip1`
target will continue to retain this dependency).
[adapter]: https://github.com/bytecodealliance/wasmtime/blob/main/crates/wasi-preview1-component-adapter/README.md
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r=joshtriplett,tgross35
unicode-table-generator refactors
Split off from https://github.com/rust-lang/rust/pull/145219
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- Implement memory allocation compatible with GenMC.
- Extract address generator struct from Miri's allocator.
- Support thread creation and joining.
- Support atomic load and store.
- Support scheduling through GenMC.
- Add tests for GenMC mode.
- Add clang-format file for C++ code in Miri.
- Update genmc-sys crate license to MIT/Apache to match GenMC dependency.
- Add documentation for GenMC mode.
Note: this commit depends on changes to GenMC not yet upstreamed to its official repository.
Co-authored-by: Ralf Jung <post@ralfj.de>
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re-balance CI
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add flag to not shorten FD reads/writes; don't shorten pipe operations
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- Add a fallback implementation for the intrinsics
- Add LLVM backend support for funnel shifts
Co-Authored-By: folkertdev <folkert@folkertdev.nl>
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fix mangitude of applied float error
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Add Zed editor config
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fix: Make sense of the mess that were (are) different kind of generics in the solver
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Pull recent changes from https://github.com/rust-lang/rust via Josh.
Upstream ref: 51ff895062ba60a7cba53f57af928c3fb7b0f2f4
Filtered ref: 5057370cda58bcaad24ea094ec11c8c01b24c2bc
This merge was created using https://github.com/rust-lang/josh-sync.
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This updates the rust-version file to 51ff895062ba60a7cba53f57af928c3fb7b0f2f4.
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Example
---
**Not applicable**:
```rust
fn foo() {
match () {
() => {
t(|n|$0 n + 100);
}
}
}
```
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improve process::abort rendering in Miri backtraces
Also, avoid using the `sys` function directly in the panic machinery -- that seems like an unnecessary layering violation.
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fix a constness ordering bug in rustfmt
Normally, changes to rustfmt go into the separate repo. But, in this case, the bug is introduced in a local change and therefore isn't present in the rustfmt repo.
Related to: https://github.com/rust-lang/rust/pull/146071
Fixes https://github.com/rust-lang/rustfmt/issues/6619.
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add span to struct pattern rest (..)
Struct pattern rest (`..`) did not retain span information compared to normal fields. This patch adds span information for it.
The motivation of this patch comes from when I implemented this PR for Clippy: https://github.com/rust-lang/rust-clippy/pull/15000#discussion_r2134145163
It is possible to get the span of the Et cetera in a bit roundabout way, but I thought this would be nicer.
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