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Avoid clone.

This commit is contained in:
Camille GILLOT 2022-02-01 18:52:22 +01:00
parent e1a72c29aa
commit 8edd32c940
1 changed files with 4 additions and 4 deletions
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8
compiler/rustc_traits/src/dropck_outlives.rs
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@ -275,12 +275,12 @@ fn dtorck_constraint_for_ty<'tcx>(
ty::Adt(def, substs) => {
let DtorckConstraint { dtorck_types, outlives, overflows } =
tcx.at(span).adt_dtorck_constraint(def.did)?.clone();
tcx.at(span).adt_dtorck_constraint(def.did)?;
// FIXME: we can try to recursively `dtorck_constraint_on_ty`
// there, but that needs some way to handle cycles.
constraints.dtorck_types.extend(dtorck_types.subst(tcx, substs));
constraints.outlives.extend(outlives.subst(tcx, substs));
constraints.overflows.extend(overflows.subst(tcx, substs));
constraints.dtorck_types.extend(dtorck_types.iter().map(|t| t.subst(tcx, substs)));
constraints.outlives.extend(outlives.iter().map(|t| t.subst(tcx, substs)));
constraints.overflows.extend(overflows.iter().map(|t| t.subst(tcx, substs)));
}
// Objects must be alive in order for their destructor