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rustc_metadata: Encode list of all crate's traits into metadata

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This commit is contained in:
Vadim Petrochenkov 2021-12-24 11:09:32 +08:00
parent e91ad5fc62
commit 90e371027e
12 changed files with 96 additions and 113 deletions
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12
compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
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@ -1567,14 +1567,14 @@ impl<'a, 'tcx> InferCtxtPrivExt<'a, 'tcx> for InferCtxt<'a, 'tcx> {
self.tcx.find_map_relevant_impl(trait_def_id, trait_ref.skip_binder().self_ty(), Some)
};
let required_trait_path = self.tcx.def_path_str(trait_ref.def_id());
let all_traits = self.tcx.all_traits(());
let traits_with_same_path: std::collections::BTreeSet<_> = all_traits
.iter()
.filter(|trait_def_id| **trait_def_id != trait_ref.def_id())
.filter(|trait_def_id| self.tcx.def_path_str(**trait_def_id) == required_trait_path)
let traits_with_same_path: std::collections::BTreeSet<_> = self
.tcx
.all_traits()
.filter(|trait_def_id| *trait_def_id != trait_ref.def_id())
.filter(|trait_def_id| self.tcx.def_path_str(*trait_def_id) == required_trait_path)
.collect();
for trait_with_same_path in traits_with_same_path {
if let Some(impl_def_id) = get_trait_impl(*trait_with_same_path) {
if let Some(impl_def_id) = get_trait_impl(trait_with_same_path) {
let impl_span = self.tcx.def_span(impl_def_id);
err.span_help(impl_span, "trait impl with same name found");
let trait_crate = self.tcx.crate_name(trait_with_same_path.krate);