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rustc silently crashes with STATUS_ILLEGAL_INSTRUCTION when targeting thumbv7a-*-windows-msvc with raw-dylib

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.

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

I-crashIssue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.

O-windowsOperating system: WindowsOperating system: Windows

Status: Open.

#120921 In rust-lang/rust;

· bdbai opened on Feb 11, 2024

· Updated on Dec 25, 2024

Don't know how to soften fpowi to fpow on x86 uefi targets

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.

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

O-UEFIUEFIUEFI

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.

#134508 In rust-lang/rust;

· usamoi opened on Dec 19, 2024

· Updated on Dec 21, 2024

global_asm! macro causes non-fatal errors to be printed during compilation for some RISC-V extension instructions when targeting the GC extensions

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-inline-assemblyArea: Inline assembly (`asm!(…)`)Area: Inline assembly (`asm!(…)`)

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

F-asm`#![feature(asm)]` (not `llvm_asm`)`#![feature(asm)]` (not `llvm_asm`)

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

Status: Open.

#80608 In rust-lang/rust;

· repnop opened on Jan 2, 2021

· Updated on Dec 17, 2024

random Empty/Tombstone LLVM assertion error on i686-msvc CI

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-spuriousArea: Spurious failures in builds (spuriously == for no apparent reason)Area: Spurious failures in builds (spuriously == for no apparent reason)

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

O-windows-msvcToolchain: MSVC, Operating system: WindowsToolchain: MSVC, Operating system: Windows

O-x86_32Target: x86 processors, 32 bit (like i686-*)Target: x86 processors, 32 bit (like i686-*)

Status: Open.

#110290 In rust-lang/rust;

· ehuss opened on Apr 13, 2023

· Updated on Dec 7, 2024

llvm-tblgen Segmentation fault in CI on dist-aarch64-apple

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-spuriousArea: Spurious failures in builds (spuriously == for no apparent reason)Area: Spurious failures in builds (spuriously == for no apparent reason)

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

O-appleOperating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)

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.

#109624 In rust-lang/rust;

· ehuss opened on Mar 26, 2023

· Updated on Nov 26, 2024

avr-rjmp-offset is flaky on x86_64-mingw

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-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

A-run-makeArea: port run-make Makefiles to rmake.rsArea: port run-make Makefiles to rmake.rs

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.

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

I-flaky-testIssue: A test is flaky/unreliable/spuriously failsIssue: A test is flaky/unreliable/spuriously fails

O-AVRTarget: AVR processors (ATtiny, ATmega, etc.)Target: AVR processors (ATtiny, ATmega, etc.)

O-windows-gnuToolchain: GNU, Operating system: WindowsToolchain: GNU, Operating system: Windows

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.

#133480 In rust-lang/rust;

· jieyouxu opened on Nov 25, 2024

· Updated on Nov 26, 2024

apple-m3 detected as the native CPU for nightly rustc on apple-m4

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.

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

O-AArch64Armv8-A or later processors in AArch64 modeArmv8-A or later processors in AArch64 mode

O-appleOperating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)

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.

#133414 In rust-lang/rust;

· mmizutani opened on Nov 24, 2024

· Updated on Nov 25, 2024

Locals aligned to greater than page size can cause unsound behavior

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.

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

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

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/Soundness

ICEBreaker-LLVMBugs identified for the LLVM ICE-breaker groupBugs identified for the LLVM ICE-breaker group

O-windowsOperating system: WindowsOperating system: Windows

P-highHigh priorityHigh priority

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.

#70143 In rust-lang/rust;

· retep998 opened on Mar 19, 2020

· Updated on Nov 22, 2024

Miscompilation: Equal pointers comparing as unequal

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.

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

I-miscompileIssue: Correct Rust code lowers to incorrect machine codeIssue: Correct Rust code lowers to incorrect machine code

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/Soundness

P-highHigh priorityHigh priority

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.

WG-llvmWorking group: LLVM backend code generationWorking group: LLVM backend code generation

Status: Open.

#107975 In rust-lang/rust;

· JakobDegen opened on Feb 13, 2023

· Updated on Nov 14, 2024

Floating point comparisons are miscompiled for signalling NaN inputs on AArch64

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-floating-pointArea: Floating point numbers and arithmeticArea: Floating point numbers and arithmetic

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

I-miscompileIssue: Correct Rust code lowers to incorrect machine codeIssue: Correct Rust code lowers to incorrect machine code

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/Soundness

O-AArch64Armv8-A or later processors in AArch64 modeArmv8-A or later processors in AArch64 mode

P-highHigh priorityHigh priority

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.

WG-llvmWorking group: LLVM backend code generationWorking group: LLVM backend code generation

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

Status: Open.

#110174 In rust-lang/rust;

· thomcc opened on Apr 11, 2023

· Updated on Nov 13, 2024

Wasm32 miscompilation when using u128 with multivalue and optimizations

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.

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

I-miscompileIssue: Correct Rust code lowers to incorrect machine codeIssue: Correct Rust code lowers to incorrect machine code

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/Soundness

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

P-highHigh priorityHigh priority

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#127318 In rust-lang/rust;

· arriven opened on Jul 4, 2024

· Updated on Nov 13, 2024

macOS crash with UnixDatagram

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

O-appleOperating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)

O-macosOperating system: macOSOperating system: macOS

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.

#131374 In rust-lang/rust;

· ChaiTRex opened on Oct 7, 2024

· Updated on Nov 13, 2024