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9,068 Open 41,546 Closed
9,068 Open 41,546 Closed
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Issues list

Incorrect dead_code lint with type alias declared in macro from ident passed to macro, used in expr passed to macro. A-diagnostics Area: Messages for errors, warnings, and lints A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) C-bug Category: This is a bug. D-incorrect A diagnostic that is giving misleading or incorrect information T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118424 opened Nov 28, 2023 by zachs18
Optimize access to struct fields when converting index to struct field A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-enhancement Category: An issue proposing an enhancement or a PR with one. I-slow Problems and improvements with respect to performance of generated code.
#118421 opened Nov 28, 2023 by pozix604
Use supertrait as the suggested bound for a blanket impl instead of the bounds from a different blanket impl A-diagnostics Area: Messages for errors, warnings, and lints needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118415 opened Nov 28, 2023 by sfleener
Every iteration will accidently break a non-related static mut variable on embedded device S-unactionable Status: Needs more information before it can be acted upon
#118407 opened Nov 28, 2023 by Eplankton
1
Add codegen test(s) for -Zbuild-std-features=panic_immediate_abort needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#118393 opened Nov 27, 2023 by saethlin
Rust generates suboptimal code for x.div_euclid(2) A-codegen Area: Code generation A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. I-heavy Problems and improvements with respect to binary size of generated code. I-slow Problems and improvements with respect to performance of generated code. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118392 opened Nov 27, 2023 by xfix
5
x86_64-pc-windows-msvc float trunc NaN edge case only in debug builds A-floating-point Area: Floating point numbers and arithmetic A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-discussion Category: Discussion or questions that doesn't represent real issues.
#118388 opened Nov 27, 2023 by WilliamVenner
1
error: Unrecognized option: 'diagnostic-width' When trying cargo install in IntelliJ Terminal C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#118385 opened Nov 27, 2023 by Toasterson
we should lint on named lifetimes forced to be equal to another named lifetime A-lifetimes Area: lifetime related A-lint Area: Lints (warnings about flaws in source code) such as unused_mut. C-feature-request Category: A feature request, i.e: not implemented / a PR. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#118376 opened Nov 27, 2023 by lcnr
1
@compiler-errors
Tracking issue for --env flag C-tracking-issue Category: A tracking issue for an RFC or an unstable feature.
#118372 opened Nov 27, 2023 by GuillaumeGomez
2 tasks
Cannot use unstable flags in RUSTFLAGS_BOOTSTRAP C-discussion Category: Discussion or questions that doesn't represent real issues. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#118369 opened Nov 27, 2023 by Nilstrieb
6
std::mem::size_of::<Result<char,u16>>() says 8 when 4 should be feasible A-layout Area: Memory layout of types C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118367 opened Nov 27, 2023 by hsivonen
trait implementation conflicts depending on source crate with generic_const_exprs C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#118343 opened Nov 27, 2023 by anderspapitto
Nested APITs are excessively opaque A-associated-items Area: Associated items such as associated types and consts. A-traits Area: Trait system C-enhancement Category: An issue proposing an enhancement or a PR with one. T-types Relevant to the types team, which will review and decide on the PR/issue.
#118339 opened Nov 26, 2023 by Jules-Bertholet
2
Cortex M4F core::fmt f32 miss optimisation needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. O-Arm Target: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state
#118337 opened Nov 26, 2023 by no111u3
2
funny suggestion with generic macros™ A-diagnostics Area: Messages for errors, warnings, and lints A-resolve Area: Path resolution D-invalid-suggestion A structured suggestion resulting in incorrect code T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118335 opened Nov 26, 2023 by matthiaskrgr
1
@compiler-errors
Unable to read value of recursive enum when debugging with lldb C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#118331 opened Nov 26, 2023 by clems4ever
Difference in debug and release mode C-bug Category: This is a bug. I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-Arm Target: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state O-bare-metal Target: Rust without an operating system requires-nightly This issue requires a nightly compiler in some way.
#118330 opened Nov 26, 2023 by JonasFocke01
3
Trait impl list should indicate and link to impl items when additional documentation is available A-rustdoc-ui Area: rustdoc UI (generated HTML) T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#118329 opened Nov 26, 2023 by the8472
ConstProp misoptimises pointer-typed enum field A-const-prop Area: Constant Propagation A-mir-opt Area: MIR optimizations I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118328 opened Nov 26, 2023 by cbeuw
1
@aDotInTheVoid
8
ice: ConstContext::Maybe must have host effect param C-bug Category: This is a bug. F-effects `#![feature(effects)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118320 opened Nov 26, 2023 by matthiaskrgr
1
Missed optimization: _ => 0 generates worse code than 0 => 0, _ => unreachable!() A-codegen Area: Code generation A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-mir-opt Area: MIR optimizations I-slow Problems and improvements with respect to performance of generated code. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118306 opened Nov 26, 2023 by mcy
1
Provide a way for derives to know if they were invoked with #[derive_const] A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) A-traits Area: Trait system C-enhancement Category: An issue proposing an enhancement or a PR with one. F-const_trait_impl `#![feature(const_trait_impl)]`
#118304 opened Nov 26, 2023 by jhpratt
Could unused_imports be suppressed when there are name resolution failures? A-diagnostics Area: Messages for errors, warnings, and lints D-verbose Too much output caused by a single piece of incorrect code T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118303 opened Nov 26, 2023 by scottmcm
1
Unhelpful error when macro_rules macro name is missing A-diagnostics Area: Messages for errors, warnings, and lints A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) A-resolve Area: Path resolution D-newcomer-roadblock Confusing diagnostic error hard to understand for new users D-terse A diagnostic that doesn't give enough information about the problem at hand T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118295 opened Nov 25, 2023 by dtolnay
1
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