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Only suggest #[const_trait] only on local traits

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This commit is contained in:
Esteban Küber
2025-07-19 01:03:00 +00:00
parent a08bdffb21
commit eb79e68c24
1 changed files with 14 additions and 12 deletions
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compiler/rustc_const_eval/src/check_consts/ops.rs
+14 -12
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@@ -383,18 +383,20 @@ macro_rules! error {
`{trait_name}` is not const",
),
);
let indentation = ccx
.tcx
.sess
.source_map()
.indentation_before(trait_span)
.unwrap_or_default();
err.span_suggestion_verbose(
trait_span.shrink_to_lo(),
format!("consider making trait `{trait_name}` const"),
format!("#[const_trait]\n{indentation}"),
Applicability::MachineApplicable,
);
if parent.is_local() {
let indentation = ccx
.tcx
.sess
.source_map()
.indentation_before(trait_span)
.unwrap_or_default();
err.span_suggestion_verbose(
trait_span.shrink_to_lo(),
format!("consider making trait `{trait_name}` const"),
format!("#[const_trait]\n{indentation}"),
Applicability::MachineApplicable,
);
}
}
} else if ccx.tcx.constness(callee) != hir::Constness::Const {
let name = ccx.tcx.item_name(callee);