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https://github.com/rust-lang/rust-clippy
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ptr_arg should ignore extern functions
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2 changed files with 24 additions and 0 deletions
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@ -26,6 +26,7 @@ use rustc_session::{declare_lint_pass, declare_tool_lint};
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use rustc_span::source_map::Span;
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use rustc_span::sym;
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use rustc_span::symbol::Symbol;
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use rustc_target::spec::abi::Abi;
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use rustc_trait_selection::infer::InferCtxtExt as _;
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use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _;
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use std::{fmt, iter};
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@ -162,6 +163,11 @@ impl<'tcx> LateLintPass<'tcx> for Ptr {
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return;
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}
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if !matches!(sig.header.abi, Abi::Rust) {
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// Ignore `extern` functions with non-Rust calling conventions
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return;
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}
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check_mut_from_ref(cx, sig, None);
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for arg in check_fn_args(
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cx,
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@ -217,6 +223,11 @@ impl<'tcx> LateLintPass<'tcx> for Ptr {
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_ => return,
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};
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if !matches!(sig.header.abi, Abi::Rust) {
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// Ignore `extern` functions with non-Rust calling conventions
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return;
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}
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check_mut_from_ref(cx, sig, Some(body));
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let decl = sig.decl;
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let sig = cx.tcx.fn_sig(item_id).subst_identity().skip_binder();
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@ -267,3 +267,16 @@ mod issue_9218 {
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todo!()
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}
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}
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mod issue_11181 {
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extern "C" fn allowed(_v: &Vec<u32>) {}
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struct S;
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impl S {
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extern "C" fn allowed(_v: &Vec<u32>) {}
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}
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trait T {
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extern "C" fn allowed(_v: &Vec<u32>) {}
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}
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}
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