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Rollup of 12 pull requests

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

A-compiletestArea: The compiletest test runnerArea: The compiletest test runner

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

A-tidyArea: The tidy toolArea: The tidy tool

O-hermitOperating System: HermitOperating System: Hermit

O-SGXTarget: SGXTarget: SGX

O-solidOperating System: SOLIDOperating System: SOLID

O-unixOperating system: Unix-likeOperating system: Unix-like

O-wasiOperating system: Wasi, Webassembly System InterfaceOperating system: Wasi, Webassembly System Interface

O-windowsOperating system: WindowsOperating system: Windows

rollupA PR which is a rollupA PR which is a rollup

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.Relevant to the infrastructure team, which will review and decide on the PR/issue.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

T-rustfmtRelevant to the rustfmt team, which will review and decide on the PR/issue.Relevant to the rustfmt team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145860

#145860 In rust-lang/rust;

· jhpratt opened on Aug 25, 2025

std <code>thread::Thread::unpark</code> test deadlocked when run under miri

A-miriArea: The miri toolArea: The miri tool

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

C-bugCategory: This is a bug.Category: This is a bug.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#145816 In rust-lang/rust;

· jieyouxu opened on Aug 24, 2025

std_detect: RISC-V: Best effort implication of target features by custom <code>cfg</code>

O-riscvTarget: RISC-V architectureTarget: RISC-V architecture

S-waiting-on-authorStatus: This is awaiting some action (such as code changes or more information) from the author.Status: This is awaiting some action (such as code changes or more information) from the author.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Draft (not ready).

rust-lang/rustnumber 145810

#145810 In rust-lang/rust;

· a4lg opened on Aug 24, 2025

error: cached cgu 0x4a9cmec5w3kmvnwylp7mwkt should have an object file, but doesn't

A-codegenArea: Code generationArea: Code generation

A-threadArea: `std::thread`Area: `std::thread`

C-bugCategory: This is a bug.Category: This is a bug.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#145800 In rust-lang/rust;

· styris-ame opened on Aug 23, 2025

std library: use execinfo library also on NetBSD.

O-unixOperating system: Unix-likeOperating system: Unix-like

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145793

#145793 In rust-lang/rust;

· he32 opened on Aug 23, 2025

Optimize <code>.ilog({2,10})</code> to <code>.ilog{2,10}()</code>

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145776

#145776 In rust-lang/rust;

· ChaiTRex opened on Aug 23, 2025

RISC-V memcpy routine uses misaligned loads and stores

C-bugCategory: This is a bug.Category: This is a bug.

O-riscvTarget: RISC-V architectureTarget: RISC-V architecture

S-needs-reproStatus: This issue has no reproduction and needs a reproduction to make progress.Status: This issue has no reproduction and needs a reproduction to make progress.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#145769 In rust-lang/rust;

· ds84182 opened on Aug 22, 2025

str: Stabilize <code>round_char_boundary</code> feature

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-clippyRelevant to the Clippy team.Relevant to the Clippy team.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145756

#145756 In rust-lang/rust;

· okaneco opened on Aug 22, 2025

raw_vec.rs: Remove superfluous fn alloc_guard

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145750

#145750 In rust-lang/rust;

· btj opened on Aug 22, 2025

Fix STD build failing for target_os = "espidf"

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145746

#145746 In rust-lang/rust;

· ivmarkov opened on Aug 22, 2025

add Iterator::dedup and friends

S-blockedStatus: Blocked on something else such as an RFC or other implementation work.Status: Blocked on something else such as an RFC or other implementation work.

T-clippyRelevant to the Clippy team.Relevant to the Clippy team.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145733

#145733 In rust-lang/rust;

· Qelxiros opened on Aug 22, 2025

unstably constify ptr::drop_in_place

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145725

#145725 In rust-lang/rust;

· Qelxiros opened on Aug 21, 2025