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only_local: always check for misuse

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This commit is contained in:
lcnr 2022-05-02 09:31:56 +02:00
parent fc128b6764
commit 6c8265dc56
36 changed files with 343 additions and 382 deletions
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37
compiler/rustc_lint/src/unused.rs
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@ -303,26 +303,25 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
descr_pre_path: &str,
descr_post_path: &str,
) -> bool {
for attr in cx.tcx.get_attrs(def_id).iter() {
if attr.has_name(sym::must_use) {
cx.struct_span_lint(UNUSED_MUST_USE, span, |lint| {
let msg = format!(
"unused {}`{}`{} that must be used",
descr_pre_path,
cx.tcx.def_path_str(def_id),
descr_post_path
);
let mut err = lint.build(&msg);
// check for #[must_use = "..."]
if let Some(note) = attr.value_str() {
err.note(note.as_str());
}
err.emit();
});
return true;
}
if let Some(attr) = cx.tcx.get_attr(def_id, sym::must_use) {
cx.struct_span_lint(UNUSED_MUST_USE, span, |lint| {
let msg = format!(
"unused {}`{}`{} that must be used",
descr_pre_path,
cx.tcx.def_path_str(def_id),
descr_post_path
);
let mut err = lint.build(&msg);
// check for #[must_use = "..."]
if let Some(note) = attr.value_str() {
err.note(note.as_str());
}
err.emit();
});
true
} else {
false
}
false
}
}
}