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Rollup merge of #139001 - folkertdev:naked-function-rustic-abi, r=traviscross,compiler-errors

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add `naked_functions_rustic_abi` feature gate

tracking issue: https://github.com/rust-lang/rust/issues/138997

Because the details of the rust abi are unstable, and a naked function must match its stated ABI, this feature gate keeps naked functions with a rustic abi ("Rust", "rust-cold", "rust-call" and "rust-intrinsic") unstable.

r? ````@traviscross````
This commit is contained in:
Jacob Pratt 2025-04-13 17:37:52 -04:00 • committed by GitHub
commit 7f691d28f1
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17 changed files with 142 additions and 107 deletions
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34
compiler/rustc_lint_defs/src/builtin.rs
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@ -110,7 +110,6 @@ declare_lint_pass! {
UNCONDITIONAL_PANIC,
UNCONDITIONAL_RECURSION,
UNCOVERED_PARAM_IN_PROJECTION,
UNDEFINED_NAKED_FUNCTION_ABI,
UNEXPECTED_CFGS,
UNFULFILLED_LINT_EXPECTATIONS,
UNINHABITED_STATIC,
@ -2830,39 +2829,6 @@ declare_lint! {
"detects deprecation attributes with no effect",
}
declare_lint! {
/// The `undefined_naked_function_abi` lint detects naked function definitions that
/// either do not specify an ABI or specify the Rust ABI.
///
/// ### Example
///
/// ```rust
/// #![feature(asm_experimental_arch, naked_functions)]
///
/// use std::arch::naked_asm;
///
/// #[naked]
/// pub fn default_abi() -> u32 {
/// unsafe { naked_asm!(""); }
/// }
///
/// #[naked]
/// pub extern "Rust" fn rust_abi() -> u32 {
/// unsafe { naked_asm!(""); }
/// }
/// ```
///
/// {{produces}}
///
/// ### Explanation
///
/// The Rust ABI is currently undefined. Therefore, naked functions should
/// specify a non-Rust ABI.
pub UNDEFINED_NAKED_FUNCTION_ABI,
Warn,
"undefined naked function ABI"
}
declare_lint! {
/// The `ineffective_unstable_trait_impl` lint detects `#[unstable]` attributes which are not used.
///