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This commit is contained in:
Esteban Küber 2023-01-08 07:24:36 +00:00
parent 12ddf77811
commit 147c9bf4d5
1 changed files with 4 additions and 11 deletions
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15
compiler/rustc_hir_analysis/src/astconv/mod.rs
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@ -2129,11 +2129,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
let infcx = tcx.infer_ctxt().build();
// We create a fresh `ty::ParamEnv` instead of the one for `self.item_def_id()`
// to avoid a cycle error in `src/test/ui/resolve/issue-102946.rs`.
let param_env = ty::ParamEnv::new(
ty::List::empty(),
traits::Reveal::All,
hir::Constness::NotConst,
);
let param_env = ty::ParamEnv::empty();
let traits: Vec<_> = self
.tcx()
.all_traits()
@ -2141,17 +2137,16 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
// Consider only traits with the associated type
tcx.associated_items(*trait_def_id)
.in_definition_order()
.find(|i| {
.any(|i| {
i.kind.namespace() == Namespace::TypeNS
&& i.ident(tcx).normalize_to_macros_2_0() == assoc_ident
&& matches!(i.kind, ty::AssocKind::Type)
})
.is_some()
// Consider only accessible traits
&& tcx.visibility(*trait_def_id)
.is_accessible_from(self.item_def_id(), tcx)
&& tcx.all_impls(*trait_def_id)
.filter(|impl_def_id| {
.any(|impl_def_id| {
let trait_ref = tcx.impl_trait_ref(impl_def_id);
trait_ref.map_or(false, |impl_| {
infcx
@ -2164,8 +2159,6 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
})
&& tcx.impl_polarity(impl_def_id) != ty::ImplPolarity::Negative
})
.next()
.is_some()
})
.map(|trait_def_id| tcx.def_path_str(trait_def_id))
.collect();
@ -2305,7 +2298,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
.filter_map(|impl_def_id| tcx.impl_trait_ref(impl_def_id))
.map(|impl_| impl_.self_ty())
// We don't care about blanket impls.
.filter(|self_ty| !self_ty.has_non_region_infer())
.filter(|self_ty| !self_ty.has_non_region_param())
.map(|self_ty| tcx.erase_regions(self_ty).to_string())
.collect()
};