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Error on unconstrained lifetime in RPITIT

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This commit is contained in:
Michael Goulet 2023-06-14 05:20:31 +00:00
parent 6330daade9
commit bc78d0cbf1
12 changed files with 188 additions and 102 deletions
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17
compiler/rustc_hir_analysis/src/impl_wf_check.rs
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@ -106,10 +106,23 @@ fn enforce_impl_params_are_constrained(tcx: TyCtxt<'_>, impl_def_id: LocalDefId)
if item.defaultness(tcx).has_value() {
cgp::parameters_for(&tcx.type_of(def_id).subst_identity(), true)
} else {
Vec::new()
vec![]
}
}
ty::AssocKind::Fn | ty::AssocKind::Const => Vec::new(),
ty::AssocKind::Fn => {
if !tcx.lower_impl_trait_in_trait_to_assoc_ty()
&& item.defaultness(tcx).has_value()
&& tcx.impl_method_has_trait_impl_trait_tys(item.def_id)
&& let Ok(table) = tcx.collect_return_position_impl_trait_in_trait_tys(def_id)
{
table.values().copied().flat_map(|ty| {
cgp::parameters_for(&ty.subst_identity(), true)
}).collect()
} else {
vec![]
}
}
ty::AssocKind::Const => vec![],
}
})
.collect();