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Remove an unused return value in rustc_hir_typeck #108916

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merged 1 commit into from
Mar 9, 2023
Merged

Remove an unused return value in rustc_hir_typeck #108916

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12 changes: 4 additions & 8 deletions compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -301,16 +301,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
span: Span,
def_id: DefId,
substs: SubstsRef<'tcx>,
) -> (ty::InstantiatedPredicates<'tcx>, Vec<Span>) {
) -> ty::InstantiatedPredicates<'tcx> {
let bounds = self.tcx.predicates_of(def_id);
let spans: Vec<Span> = bounds.predicates.iter().map(|(_, span)| *span).collect();
let result = bounds.instantiate(self.tcx, substs);
let result = self.normalize(span, result);
debug!(
"instantiate_bounds(bounds={:?}, substs={:?}) = {:?}, {:?}",
bounds, substs, result, spans,
);
(result, spans)
debug!("instantiate_bounds(bounds={:?}, substs={:?}) = {:?}", bounds, substs, result);
result
}

pub(in super::super) fn normalize<T>(&self, span: Span, value: T) -> T
Expand Down Expand Up @@ -1389,7 +1385,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
}
_ => false,
};
let (bounds, _) = self.instantiate_bounds(span, def_id, &substs);
let bounds = self.instantiate_bounds(span, def_id, &substs);

for mut obligation in traits::predicates_for_generics(
|idx, predicate_span| {
Expand Down