diff options
Diffstat (limited to 'compiler/rustc_lint_defs/src/builtin.rs')
| -rw-r--r-- | compiler/rustc_lint_defs/src/builtin.rs | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index b25d2a30681..a49eb76734f 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -16,7 +16,6 @@ declare_lint_pass! { /// that are used by other parts of the compiler. HardwiredLints => [ // tidy-alphabetical-start - ABI_UNSUPPORTED_VECTOR_TYPES, ABSOLUTE_PATHS_NOT_STARTING_WITH_CRATE, AMBIGUOUS_ASSOCIATED_ITEMS, AMBIGUOUS_GLOB_IMPORTS, @@ -5028,74 +5027,6 @@ declare_lint! { } declare_lint! { - /// The `abi_unsupported_vector_types` lint detects function definitions and calls - /// whose ABI depends on enabling certain target features, but those features are not enabled. - /// - /// ### Example - /// - /// ```rust,ignore (fails on non-x86_64) - /// extern "C" fn missing_target_feature(_: std::arch::x86_64::__m256) { - /// todo!() - /// } - /// - /// #[target_feature(enable = "avx")] - /// unsafe extern "C" fn with_target_feature(_: std::arch::x86_64::__m256) { - /// todo!() - /// } - /// - /// fn main() { - /// let v = unsafe { std::mem::zeroed() }; - /// unsafe { with_target_feature(v); } - /// } - /// ``` - /// - /// This will produce: - /// - /// ```text - /// warning: ABI error: this function call uses a avx vector type, which is not enabled in the caller - /// --> lint_example.rs:18:12 - /// | - /// | unsafe { with_target_feature(v); } - /// | ^^^^^^^^^^^^^^^^^^^^^^ function called here - /// | - /// = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - /// = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558> - /// = help: consider enabling it globally (-C target-feature=+avx) or locally (#[target_feature(enable="avx")]) - /// = note: `#[warn(abi_unsupported_vector_types)]` on by default - /// - /// - /// warning: ABI error: this function definition uses a avx vector type, which is not enabled - /// --> lint_example.rs:3:1 - /// | - /// | pub extern "C" fn with_target_feature(_: std::arch::x86_64::__m256) { - /// | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function defined here - /// | - /// = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - /// = note: for more information, see issue #116558 <https://github.com/rust-lang/rust/issues/116558> - /// = help: consider enabling it globally (-C target-feature=+avx) or locally (#[target_feature(enable="avx")]) - /// ``` - /// - /// - /// - /// ### Explanation - /// - /// The C ABI for `__m256` requires the value to be passed in an AVX register, - /// which is only possible when the `avx` target feature is enabled. - /// Therefore, `missing_target_feature` cannot be compiled without that target feature. - /// A similar (but complementary) message is triggered when `with_target_feature` is called - /// by a function that does not enable the `avx` target feature. - /// - /// Note that this lint is very similar to the `-Wpsabi` warning in `gcc`/`clang`. - pub ABI_UNSUPPORTED_VECTOR_TYPES, - Warn, - "this function call or definition uses a vector type which is not enabled", - @future_incompatible = FutureIncompatibleInfo { - reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps, - reference: "issue #116558 <https://github.com/rust-lang/rust/issues/116558>", - }; -} - -declare_lint! { /// The `wasm_c_abi` lint detects usage of the `extern "C"` ABI of wasm that is affected /// by a planned ABI change that has the goal of aligning Rust with the standard C ABI /// of this target. |