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`#[naked]`: use an allowlist for allowed options on `asm!` in naked functions tracking issue: https://github.com/rust-lang/rust/issues/90957 this is mostly just a refactor, but using an allowlist (rather than a denylist) for which asm options are allowed in naked functions is a little safer. These options are disallowed because naked functions are effectively global asm, but defined using inline asm. |
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| Cargo.toml | ||
| README.md | ||
The rustc_ast crate contains those things concerned purely with syntax
– that is, the AST ("abstract syntax tree"), along with some definitions for tokens and token streams, data structures/traits for mutating ASTs, and shared definitions for other AST-related parts of the compiler (like the lexer and macro-expansion).
For more information about how these things work in rustc, see the rustc dev guide: