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Check const Drop impls considering ConstIfConst bounds

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This commit is contained in:
Michael Goulet
2022-01-18 01:43:49 -08:00
parent f9eb0b3b7b
commit 6ed42a7ca4
7 changed files with 227 additions and 167 deletions
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22
compiler/rustc_middle/src/traits/mod.rs
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@@ -566,7 +566,7 @@ pub enum ImplSource<'tcx, N> {
TraitAlias(ImplSourceTraitAliasData<'tcx, N>),
/// ImplSource for a `const Drop` implementation.
ConstDrop(ImplSourceConstDropData),
ConstDrop(ImplSourceConstDropData<N>),
}
impl<'tcx, N> ImplSource<'tcx, N> {
@@ -581,10 +581,10 @@ impl<'tcx, N> ImplSource<'tcx, N> {
ImplSource::Object(d) => d.nested,
ImplSource::FnPointer(d) => d.nested,
ImplSource::DiscriminantKind(ImplSourceDiscriminantKindData)
| ImplSource::Pointee(ImplSourcePointeeData)
| ImplSource::ConstDrop(ImplSourceConstDropData) => Vec::new(),
| ImplSource::Pointee(ImplSourcePointeeData) => Vec::new(),
ImplSource::TraitAlias(d) => d.nested,
ImplSource::TraitUpcasting(d) => d.nested,
ImplSource::ConstDrop(i) => i.nested,
}
}
@@ -599,10 +599,10 @@ impl<'tcx, N> ImplSource<'tcx, N> {
ImplSource::Object(d) => &d.nested,
ImplSource::FnPointer(d) => &d.nested,
ImplSource::DiscriminantKind(ImplSourceDiscriminantKindData)
| ImplSource::Pointee(ImplSourcePointeeData)
| ImplSource::ConstDrop(ImplSourceConstDropData) => &[],
| ImplSource::Pointee(ImplSourcePointeeData) => &[],
ImplSource::TraitAlias(d) => &d.nested,
ImplSource::TraitUpcasting(d) => &d.nested,
ImplSource::ConstDrop(i) => &i.nested,
}
}
@@ -661,9 +661,9 @@ impl<'tcx, N> ImplSource<'tcx, N> {
nested: d.nested.into_iter().map(f).collect(),
})
}
ImplSource::ConstDrop(ImplSourceConstDropData) => {
ImplSource::ConstDrop(ImplSourceConstDropData)
}
ImplSource::ConstDrop(i) => ImplSource::ConstDrop(ImplSourceConstDropData {
nested: i.nested.into_iter().map(f).collect(),
}),
}
}
}
@@ -755,8 +755,10 @@ pub struct ImplSourceDiscriminantKindData;
#[derive(Clone, Debug, PartialEq, Eq, TyEncodable, TyDecodable, HashStable)]
pub struct ImplSourcePointeeData;
#[derive(Clone, Debug, PartialEq, Eq, TyEncodable, TyDecodable, HashStable)]
pub struct ImplSourceConstDropData;
#[derive(Clone, PartialEq, Eq, TyEncodable, TyDecodable, HashStable, TypeFoldable, Lift)]
pub struct ImplSourceConstDropData<N> {
pub nested: Vec<N>,
}
#[derive(Clone, PartialEq, Eq, TyEncodable, TyDecodable, HashStable, TypeFoldable, Lift)]
pub struct ImplSourceTraitAliasData<'tcx, N> {