bjoernager/rust
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Store impl_trait_fn inside OpaqueTyOrigin.

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This commit is contained in:
Camille GILLOT 2021-11-30 19:11:35 +01:00
parent 72b6f7049c
commit 8576ab45e4
13 changed files with 119 additions and 97 deletions
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15
compiler/rustc_resolve/src/late/lifetimes.rs
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@ -968,7 +968,10 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> {
let (generics, bounds) = match opaque_ty.kind {
// Named opaque `impl Trait` types are reached via `TyKind::Path`.
// This arm is for `impl Trait` in the types of statics, constants and locals.
hir::ItemKind::OpaqueTy(hir::OpaqueTy { impl_trait_fn: None, .. }) => {
hir::ItemKind::OpaqueTy(hir::OpaqueTy {
origin: hir::OpaqueTyOrigin::TyAlias,
..
}) => {
intravisit::walk_ty(self, ty);
// Elided lifetimes are not allowed in non-return
@ -985,7 +988,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> {
}
// RPIT (return position impl trait)
hir::ItemKind::OpaqueTy(hir::OpaqueTy {
impl_trait_fn: Some(_),
origin: hir::OpaqueTyOrigin::FnReturn(..) | hir::OpaqueTyOrigin::AsyncFn(..),
ref generics,
bounds,
..
@ -1695,7 +1698,11 @@ fn compute_object_lifetime_defaults(
hir::ItemKind::Struct(_, ref generics)
| hir::ItemKind::Union(_, ref generics)
| hir::ItemKind::Enum(_, ref generics)
| hir::ItemKind::OpaqueTy(hir::OpaqueTy { ref generics, impl_trait_fn: None, .. })
| hir::ItemKind::OpaqueTy(hir::OpaqueTy {
ref generics,
origin: hir::OpaqueTyOrigin::TyAlias,
..
})
| hir::ItemKind::TyAlias(_, ref generics)
| hir::ItemKind::Trait(_, _, ref generics, ..) => {
let result = object_lifetime_defaults_for_item(tcx, generics);
@ -2067,7 +2074,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> {
..
}) = self.tcx.hir().get(parent_hir_id)
{
if opaque.origin != hir::OpaqueTyOrigin::AsyncFn {
if !matches!(opaque.origin, hir::OpaqueTyOrigin::AsyncFn(..)) {
continue 'lifetimes;
}
// We want to do this only if the liftime identifier is already defined