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state:open author:mqudsi label:C-bug
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state:open author:mqudsi label:C-bug
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Open
Closed
3-way comparison is branchier after 1.71
A-codegen
Area: Code generation
Area: Code generation
A-LLVM
Area: 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.
C-bug
Category: This is a bug.
Category: This is a bug.
I-slow
Issue: Problems and improvements with respect to performance of generated code.
Issue: Problems and improvements with respect to performance of generated code.
P-medium
Medium priority
Medium priority
regression-from-stable-to-stable
Performance or correctness regression from one stable version to another.
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.
Relevant to the compiler team, which will review and decide on the PR/issue.
Status: Open.
#125338
In rust-lang/rust;
·
mqudsi
opened
on May 20, 2024
Match blocks generate inefficient assembly compared to if/else chain since rust 1.65.0
A-codegen
Area: Code generation
Area: Code generation
C-bug
Category: This is a bug.
Category: This is a bug.
I-slow
Issue: Problems and improvements with respect to performance of generated code.
Issue: Problems and improvements with respect to performance of generated code.
P-medium
Medium priority
Medium priority
regression-from-stable-to-stable
Performance or correctness regression from one stable version to another.
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.
Relevant to the compiler team, which will review and decide on the PR/issue.
Status: Open.
#110737
In rust-lang/rust;
·
mqudsi
opened
on Apr 23, 2023
Source of lifetime coercion is not reported starting in 1.63
A-diagnostics
Area: Messages for errors, warnings, and lints
Area: Messages for errors, warnings, and lints
A-lifetimes
Area: Lifetimes / regions
Area: Lifetimes / regions
C-bug
Category: This is a bug.
Category: This is a bug.
P-high
High priority
High priority
regression-from-stable-to-stable
Performance or correctness regression from one stable version to another.
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.
Relevant to the compiler team, which will review and decide on the PR/issue.
WG-diagnostics
Working group: Diagnostics
Working group: Diagnostics
Status: Open.
#99256
In rust-lang/rust;
·
mqudsi
opened
on Jul 14, 2022
·
1.63.0
Regression in error reporting on {integer} type ambiguity between 1.61 and 1.62
A-diagnostics
Area: Messages for errors, warnings, and lints
Area: Messages for errors, warnings, and lints
C-bug
Category: This is a bug.
Category: This is a bug.
P-medium
Medium priority
Medium priority
regression-from-stable-to-stable
Performance or correctness regression from one stable version to another.
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.
Relevant to the compiler team, which will review and decide on the PR/issue.
Status: Open.
#98404
In rust-lang/rust;
·
mqudsi
opened
on Jun 22, 2022
·
1.62.0
Adding non-divergent core::ops overload breaks type inference and default integer type preference
A-inference
Area: Type inference
Area: Type inference
C-bug
Category: This is a bug.
Category: This is a bug.
T-types
Relevant 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.
#98357
In rust-lang/rust;
·
mqudsi
opened
on Jun 21, 2022
_bzhi_u32/_bzhi_u64 has poor codegen without bmi2 feature
A-codegen
Area: Code generation
Area: Code generation
A-LLVM
Area: 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.
C-bug
Category: This is a bug.
Category: This is a bug.
T-compiler
Relevant 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.
#88566
In rust-lang/rust;
·
mqudsi
opened
on Sep 1, 2021
Using associated constant incorrectly errors out with incorrect message about generic types
A-associated-items
Area: Associated items (types, constants & functions)
Area: Associated items (types, constants & functions)
A-diagnostics
Area: Messages for errors, warnings, and lints
Area: Messages for errors, warnings, and lints
C-bug
Category: This is a bug.
Category: This is a bug.
T-compiler
Relevant 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.
#80603
In rust-lang/rust;
·
mqudsi
opened
on Jan 1, 2021
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