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Issues list

Possible nightly rustdoc doc generation time / size regression C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#134435 opened Dec 17, 2024 by piaoyh
5
#[derive(Debug)] on #[repr(packed)] enum causes internal compiler error A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) A-repr-packed Area: the naughtiest repr C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#133025 opened Nov 14, 2024 by urinacon
7
Failed to normalize sp_std::rc::Rc<sp_std::prelude::Box...> maybe try to call try_normalize_erasing_regions instead C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130748 opened Sep 23, 2024 by karim-agha
Panic on missing type on static item C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-needs-repro Status: This issue has no reproduction and needs a reproduction to make progress. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130478 opened Sep 17, 2024 by rakita
4
error: could not compile std (lib) exit code: 0x80000003 A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#128498 opened Aug 1, 2024 by wmjb
13
ICE: Where clause ... was applicable to ... but now is not in compiler/rustc_trait_selection/src/traits/select/confirmation.rs C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#126944 opened Jun 25, 2024 by Naserume
6
Compiler Panics ,when I use Ractor Framework A-incr-comp Area: Incremental compilation C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#124670 opened May 3, 2024 by vinay10949
5
Performance regression: rustc failed to optimize _mm256_avg_epu8 after 1.75.0 A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-SIMD Area: SIMD (Single Instruction Multiple Data) C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-heavy Issue: Problems and improvements with respect to binary size of generated code. I-slow Issue: Problems and improvements with respect to performance of generated code. P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#124216 opened Apr 21, 2024 by Nugine
11
Double panic on MSVC no longer prints abort message C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc O-windows Operating system: Windows P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#123470 opened Apr 4, 2024 by CAD97
1
error[E0275]: overflow evaluating the requirement &_: IntoIterator does not show a line number A-codegen Area: Code generation C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118476 opened Nov 30, 2023 by Folcon
9
ICE: OutputTypeParameterMismatch C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-needs-repro Status: This issue has no reproduction and needs a reproduction to make progress. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#117951 opened Nov 15, 2023 by dwhjames
16
Importing libraries leads to fully qualified types being shown unnecessarily A-diagnostics Area: Messages for errors, warnings, and lints E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#113933 opened Jul 21, 2023 by Wilfred
2
runtime perf regression between nightly 2023-06-14 and 2023-06-15 C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc 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 regression-untriaged Untriaged performance or correctness regression.
#113600 opened Jul 12, 2023 by ForsakenHarmony
5
regression: overflow evaluating requirement E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another.
#113239 opened Jul 1, 2023 by Mark-Simulacrum 1.71.0
9
Possible Regression: Error: the current crate is indistinguishable from one of its dependencies C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#111349 opened May 8, 2023 by spencerkohan
7
perf no longer figures out call stacks when debuginfo-level is enabled A-contributor-roadblock Area: Makes things more difficult for new contributors to rust itself A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc requires-custom-config This issue requires custom config/build for rustc in some way
#110116 opened Apr 9, 2023 by saethlin
infinite recursion with TAIT and replace_opaque_types_with_inference_vars in project C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc F-type_alias_impl_trait `#[feature(type_alias_impl_trait)]` S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-types Relevant to the types team, which will review and decide on the PR/issue.
#109268 opened Mar 17, 2023 by lcnr
1
4
Stack corruption on AArch64 C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc O-AArch64 Armv8-A or later processors in AArch64 mode S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue
#106868 opened Jan 14, 2023 by bjorn3
Example iterator fold vs. loop emit different code A-codegen Area: Code generation E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-heavy Issue: Problems and improvements with respect to binary size of generated code. I-slow Issue: Problems and improvements with respect to performance of generated code. P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#99656 opened Jul 24, 2022 by ghost
9
Substantial debug-test-optimized-depedencies Performance Regression in 1.59 C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-slow Issue: Problems and improvements with respect to performance of generated code. P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#97460 opened May 27, 2022 by TheBlueMatt
14
regression processing c-style doc comments in proc macros between 1.46 and 1.47 A-parser Area: The parsing of Rust source code to an AST A-proc-macros Area: Procedural macros E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#80545 opened Dec 31, 2020 by ahl
3
wasi-sdk/bin/wasm-ld regression in 1.46.0 A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc O-wasm Target: WASM (WebAssembly), http://webassembly.org/ P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#76679 opened Sep 13, 2020 by TjeuKayim
4
8.5% runtime performance degradation for GNU-toolchain 1.45.x vs. 1.44.x in Windows E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-slow Issue: Problems and improvements with respect to performance of generated code. O-windows-gnu Toolchain: GNU, Operating system: Windows P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#75374 opened Aug 10, 2020 by mvanthoor
11
Conditional jumps equivalent to if(0 != 0) can appear in optimized assembly 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. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc I-slow Issue: Problems and improvements with respect to performance of generated code. ICEBreaker-LLVM Bugs identified for the LLVM ICE-breaker group P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#72343 opened May 19, 2020 by Diomendius
9
Specifying one associated type makes Rust forget about the constraint on the other ones A-associated-items Area: Associated items (types, constants & functions) A-closures Area: Closures (`|…| { … }`) A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-trait-system Area: Trait system C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. 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.
#72207 opened May 14, 2020 by Ten0
1
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