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Revert "Auto merge of #91354 - fee1-dead:const_env, r=spastorino"

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This reverts commit 18bb8c61a9, reversing
changes made to d9baa36190.
This commit is contained in:
Santiago Pastorino 2021-12-03 10:11:21 -03:00
parent 3e21768a0a
commit 85b723c4e6
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GPG key ID: 8131A24E0C79EFAF
49 changed files with 428 additions and 376 deletions
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25
compiler/rustc_hir/src/hir.rs
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@ -3230,6 +3230,31 @@ impl<'hir> Node<'hir> {
}
}
/// Returns `Constness::Const` when this node is a const fn/impl/item.
pub fn constness_for_typeck(&self) -> Constness {
match self {
Node::Item(Item {
kind: ItemKind::Fn(FnSig { header: FnHeader { constness, .. }, .. }, ..),
..
})
| Node::TraitItem(TraitItem {
kind: TraitItemKind::Fn(FnSig { header: FnHeader { constness, .. }, .. }, ..),
..
})
| Node::ImplItem(ImplItem {
kind: ImplItemKind::Fn(FnSig { header: FnHeader { constness, .. }, .. }, ..),
..
})
| Node::Item(Item { kind: ItemKind::Impl(Impl { constness, .. }), .. }) => *constness,
Node::Item(Item { kind: ItemKind::Const(..), .. })
| Node::TraitItem(TraitItem { kind: TraitItemKind::Const(..), .. })
| Node::ImplItem(ImplItem { kind: ImplItemKind::Const(..), .. }) => Constness::Const,
_ => Constness::NotConst,
}
}
pub fn as_owner(self) -> Option<OwnerNode<'hir>> {
match self {
Node::Item(i) => Some(OwnerNode::Item(i)),