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resolve: Leave a comment about name bindings for legacy derive helpers

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This commit is contained in:
Vadim Petrochenkov 2023-08-23 15:21:18 +08:00
parent 50bbe01de0
commit 453edebc70
1 changed files with 5 additions and 0 deletions
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5
compiler/rustc_resolve/src/ident.rs
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@ -432,6 +432,11 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
}
}
Scope::DeriveHelpersCompat => {
// FIXME: Try running this logic eariler, to allocate name bindings for
// legacy derive helpers when creating an attribute invocation with
// following derives. Legacy derive helpers are not common, so it shouldn't
// affect performance. It should also allow to remove the `derives`
// component from `ParentScope`.
let mut result = Err(Determinacy::Determined);
for derive in parent_scope.derives {
let parent_scope = &ParentScope { derives: &[], ..*parent_scope };