bjoernager/rust
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Auto merge of #83424 - cjgillot:noparam, r=lcnr

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GenericParam does not need to be a HIR owner.

The special case is not required.

Universal impl traits design to regular generic parameters, and their content is owned by the enclosing item.

Existential (and opaque) impl traits generate their own enclosing item, and are collected through it.
This commit is contained in:
bors 2021-03-25 16:35:19 +00:00
commit cb473c2c5b
4 changed files with 6 additions and 54 deletions
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13
compiler/rustc_passes/src/hir_id_validator.rs
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@ -172,17 +172,4 @@ impl<'a, 'hir> intravisit::Visitor<'hir> for HirIdValidator<'a, 'hir> {
// we are currently in. So for those it's correct that they have a
// different owner.
}
fn visit_generic_param(&mut self, param: &'hir hir::GenericParam<'hir>) {
if let hir::GenericParamKind::Type {
synthetic: Some(hir::SyntheticTyParamKind::ImplTrait),
..
} = param.kind
{
// Synthetic impl trait parameters are owned by the node of the desugared type.
// This means it is correct for them to have a different owner.
} else {
intravisit::walk_generic_param(self, param);
}
}
}