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Issues: rust-lang/rust

Draft release notes for 1.88.0
#141598 opened May 26, 2025 by Mark-Simulacrum
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Issues list

Compiling to Apple's arm64e got linking error! A-linkage Area: linking into static, shared libraries and binaries A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. O-macos Operating system: macOS
#138481 opened Mar 14, 2025 by Wyvern
3
"macabi" is not an "ABI" in the same sense as e.g. "gnueabihf" A-targets Area: Concerning the implications of different compiler targets C-bug Category: This is a bug. O-ios Operating system: iOS O-macos Operating system: macOS T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#133331 opened Nov 22, 2024 by workingjubilee
1
@madsmtm
4
thread_local! initialization code panics on some aarch64-apple-darwin envs, works on others A-thread-locals Area: Thread local storage (TLS) C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status O-AArch64 Armv8-A or later processors in AArch64 mode O-macos Operating system: macOS T-libs Relevant to the library team, which will review and decide on the PR/issue.
#132704 opened Nov 6, 2024 by dj8yfo
16
Fails to link verbatim libary in 1.82 on macOS A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. O-macos Operating system: macOS regression-untriaged Untriaged performance or correctness regression. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132264 opened Oct 28, 2024 by anatawa12
2
5
Debug info is broken on macOS when using --remap-path-prefix A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) A-path-remapping Area: path remapping, --remap-path-prefix, --remap-cwd-prefix, --remap-diagnostics-scope etc. C-bug Category: This is a bug. O-apple Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS) O-macos Operating system: macOS T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132143 opened Oct 25, 2024 by csmulhern
5
Support "zippered" macOS binaries A-targets Area: Concerning the implications of different compiler targets C-feature-request Category: A feature request, i.e: not implemented / a PR. O-ios Operating system: iOS O-macos Operating system: macOS T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#131216 opened Oct 3, 2024 by madsmtm
2
Can we avoid the heap allocation in macOS Mutex/Condvar? A-atomic Area: Atomics, barriers, and sync primitives C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such O-macos Operating system: macOS T-libs Relevant to the library team, which will review and decide on the PR/issue.
#131005 opened Sep 29, 2024 by RalfJung
1
Invalid metadata for arm64e due to Xcode 15+ on ARM64e macOS C-bug Category: This is a bug. O-Arm Target: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state O-macos Operating system: macOS P-high High priority regression-untriaged Untriaged performance or correctness regression. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130834 opened Sep 25, 2024 by arttet
4
Testing under bootstrap does not work on x86_64 macOS 10.14 A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. O-macos Operating system: macOS T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#130434 opened Sep 16, 2024 by madsmtm
2
Apple arm64e targets fail to link with newer Xcode 15 C-bug Category: This is a bug. O-AArch64 Armv8-A or later processors in AArch64 mode O-ios Operating system: iOS O-macos Operating system: macOS T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130085 opened Sep 7, 2024 by madsmtm
2
Very long compilation time on Apple Silicon platform A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such I-compiletime Issue: Problems and improvements with respect to compile times. O-AArch64 Armv8-A or later processors in AArch64 mode O-macos Operating system: macOS
#129713 opened Aug 28, 2024 by kika
Rust binaries cannot load relocatable libraries on macOS without -rpath A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. O-macos Operating system: macOS T-cargo Relevant to the cargo team, which will review and decide on the PR/issue. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#127100 opened Jun 28, 2024 by amyspark
Rust 1.81-nightly slower than Rust 1.79 ? A-mir-opt-inlining Area: MIR inlining C-bug Category: This is a bug. I-slow Issue: Problems and improvements with respect to performance of generated code. O-AArch64 Armv8-A or later processors in AArch64 mode O-macos Operating system: macOS P-medium Medium priority regression-untriaged Untriaged performance or correctness regression. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue
#126937 opened Jun 25, 2024 by GuillaumePressiat
46
[MacOS] UDP Multicast: Can't assign requested address on interface 0 (as suggested in the documentation) C-bug Category: This is a bug. O-macos Operating system: macOS T-libs Relevant to the library team, which will review and decide on the PR/issue.
#123715 opened Apr 10, 2024 by MihaelBercic
16
Debuginfo tests sometimes run with the wrong Python version on MacOS A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. O-macos Operating system: macOS T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#123621 opened Apr 8, 2024 by tgross35
8
Consider using llvm-strip A-codegen Area: Code generation C-discussion Category: Discussion or questions that doesn't represent real issues. O-illumos the other shiny OS O-linux Operating system: Linux O-macos Operating system: macOS T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-dev-tools Relevant to the dev-tools subteam, which will review and decide on the PR/issue. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue.
#123151 opened Mar 28, 2024 by workingjubilee
14
OSX CFI produces relocation issues A-control-flow-integrity Area: Control Flow Integrity (CFI) security mitigation A-sanitizers Area: Sanitizers for correctness and code quality C-bug Category: This is a bug. O-macos Operating system: macOS PG-exploit-mitigations Project group: Exploit mitigations T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#122848 opened Mar 21, 2024 by maurer
building dynamic libraries on mac sets id/name for linker to something questionable A-linkage Area: linking into static, shared libraries and binaries O-macos Operating system: macOS T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#121674 opened Feb 27, 2024 by vmchale
3
AddressSanitizer reports leak for empty main function on macOS for aarch64-apple-darwin A-sanitizers Area: Sanitizers for correctness and code quality C-bug Category: This is a bug. O-AArch64 Armv8-A or later processors in AArch64 mode O-macos Operating system: macOS
#121624 opened Feb 26, 2024 by Lee-Janggun
6
Support auto linking on Apple targets A-linkage Area: linking into static, shared libraries and binaries O-macos Operating system: macOS T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#121293 opened Feb 19, 2024 by madsmtm
8
Rustc crash while generating aarch64 code with inline asm. Maybe an LLVM problem. A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. O-AArch64 Armv8-A or later processors in AArch64 mode O-macos Operating system: macOS
#120374 opened Jan 26, 2024 by kali
6
Backtrace output displays "<unknown>" when the code running in docker container mounted directory C-bug Category: This is a bug. O-macos Operating system: macOS requires-custom-config This issue requires custom config/build for rustc in some way T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#120184 opened Jan 21, 2024 by shengsheng
Build script binaries crash with "dyld: malformed mach-o image: missing LC_DYSYMTAB" on macOS 10.15 when "strip = true" A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) O-macos Operating system: macOS
#119793 opened Jan 10, 2024 by RandomInsano
2
Random SIGSEGV: invalid memory reference after update to Sonoma 14.2 I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. O-macos Operating system: macOS 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.
#119308 opened Dec 26, 2023 by HoaPham98
5
rustdoc output on nightly uses bold text in Safari A-rustdoc-ui Area: Rustdoc UI (generated HTML) C-bug Category: This is a bug. O-macos Operating system: macOS T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#119050 opened Dec 17, 2023 by jwodder
4
ProTip! Updated in the last three days: updated:>2025-05-25.