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Consider documenting: rust-lld default (1.90+) disables LTO for cc-rs consumers using GCC -flto -ffat-lto-objects
A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and toolsneeds-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.Status: Open.#159355 In rust-lang/rust;NumBuffer<T>ties a buffer to one integer type; no reusable buffer for mixed-integer formattingC-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.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.#159341 In rust-lang/rust;compiletest: either require or trim spaces around the dash in version range directives, e.g.
//@ ignore-llvm-version: A - BA-compiletestArea: The compiletest test runnerArea: The compiletest test runnerC-bugCategory: This is a bug.Category: This is a bug.needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.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.Status: Open.#159338 In rust-lang/rust;[ICE]: rustc refuses to compile my library
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) ❄️needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.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.Status: Open.#159337 In rust-lang/rust;Missed optimization: returning a niche-optimized
Option<&T>leaves a redundant null check after inliningneeds-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.Status: Open.#159335 In rust-lang/rust;Allocators panicking on drop cause yet another panic safety issue in
BTreeMapA-allocatorsArea: Custom and system allocatorsArea: Custom and system allocatorsA-collectionsArea: `std::collections`Area: `std::collections`A-destructorsArea: Destructors (`Drop`, …)Area: Destructors (`Drop`, …)A-panicArea: Panicking machineryArea: Panicking machineryC-bugCategory: This is a bug.Category: This is a bug.I-libs-api-nominatedNominated for discussion during a libs-api team meeting.Nominated for discussion during a libs-api team meeting.I-unsoundIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/SoundnessIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundnessrequires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.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.#159334 In rust-lang/rust;False Positive unfulfilled_lint_expectations
C-bugCategory: This is a bug.Category: This is a bug.needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.Status: Open.#159323 In rust-lang/rust;[ICE]: (CFI) Encoding char or &str constants causes a panic.
A-control-flow-integrityArea: Control Flow Integrity (CFI) security mitigationArea: Control Flow Integrity (CFI) security mitigationC-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) ❄️PG-exploit-mitigationsProject group: Exploit mitigationsProject group: Exploit mitigationsT-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.Status: Open.#159299 In rust-lang/rust;Tracking Issue for
bool::toggleC-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFCT-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.#159298 In rust-lang/rust;[ICE]: delayed bug in fully_perform + broken MIR when AsyncFnMut(&()) is cast to FnMut(&())
A-async-closures`async || {}``async || {}`A-higher-rankedArea: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)C-bugCategory: This is a bug.Category: This is a bug.fixed-by-next-solverFixed by the next-generation trait solver, `-Znext-solver`.Fixed by the next-generation trait solver, `-Znext-solver`.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-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.Status: Open.#159286 In rust-lang/rust;Deadlocks if a panic happens during LTO while RUSTC_LOG=trace is used
C-bugCategory: This is a bug.Category: This is a bug.I-hangIssue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc.Issue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc.needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.Status: Open.#159280 In rust-lang/rust;trait bound:
for<'a>may create distinct types for the same type in different traitsC-bugCategory: This is a bug.Category: This is a bug.needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.Status: Open.#159279 In rust-lang/rust;