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fuchsia / third_party / github.com / rust-lang / rust / 54f1da448601c63c45bdd3ba6380fb07cdf40919
commit54f1da448601c63c45bdd3ba6380fb07cdf40919[log] [tgz]
authorMatthias Krüger <[email protected]>Thu May 08 13:55:45 2025 +0200
committerGitHub <[email protected]>Thu May 08 13:55:45 2025 +0200
tree61c6722173c3bd447e69ed83473fc3fd5165759a
parent12d6a47bda0110b82a191a293bb0a41e5c0ce878 [diff]
parent75ca6c621e08eb7252bb542b9264e7ab7a8fc4e1 [diff]
Rollup merge of #140758 - dpaoliello:armhazard, r=jieyouxu

[win][arm64] Disable MSVC Linker 'Arm Hazard' warning

While trying to get the aarch64-msvc build working correctly (#140136), I observed the following test failure:

From <https://github.com/rust-lang/rust/pull/140136#issuecomment-2848179657>

```
  = note: main.main.d17f5fbe6225cf88-cgu.0.rcgu.o : fatal error LNK1322: cannot avoid potential ARM hazard (Cortex-A53 MPCore processor bug #843419) in section 0x57; please consider using compiler option /Gy if it was not used
```

This is warning of a code sequence that triggers a bug in Cortex-A53 processors: <https://developer.arm.com/documentation/epm048406/latest>

However, since Windows 10 isn't supported on the Cortex-A53, this warning is not required, so it can be suppressed using the undocumented `/arm64hazardfree` flag.
tree: 61c6722173c3bd447e69ed83473fc3fd5165759a
  1. .github/
  2. compiler/
  3. library/
  4. LICENSES/
  5. src/
  6. tests/
  7. .clang-format
  8. .editorconfig
  9. .git-blame-ignore-revs
  10. .gitattributes
  11. .gitignore
  12. .gitmodules
  13. .ignore
  14. .mailmap
  15. bootstrap.example.toml
  16. Cargo.lock
  17. Cargo.toml
  18. CODE_OF_CONDUCT.md
  19. configure
  20. CONTRIBUTING.md
  21. COPYRIGHT
  22. INSTALL.md
  23. LICENSE-APACHE
  24. license-metadata.json
  25. LICENSE-MIT
  26. README.md
  27. RELEASES.md
  28. REUSE.toml
  29. rust-bors.toml
  30. rustfmt.toml
  31. triagebot.toml
  32. x
  33. x.ps1
  34. x.py
README.md

Website | Getting started | Learn | Documentation | Contributing

This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.

Why Rust?

  • Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.

  • Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

  • Productivity: Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool (Cargo), auto-formatter (rustfmt), linter (Clippy) and editor support (rust-analyzer).

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Read “Installation” from The Book.

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