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This commit is contained in:
lcnr 2023-08-14 15:27:14 +02:00
parent 95fddbc501
commit e04f582e56
1 changed files with 6 additions and 9 deletions
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15
compiler/rustc_borrowck/src/region_infer/opaque_types.rs
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@ -385,16 +385,13 @@ fn check_opaque_type_parameter_valid(
let arg_is_param = match arg.unpack() {
GenericArgKind::Type(ty) => matches!(ty.kind(), ty::Param(_)),
GenericArgKind::Lifetime(lt) => {
if is_ty_alias {
matches!(*lt, ty::ReEarlyBound(_) | ty::ReFree(_))
} else {
// FIXME(#113916): we can't currently check for unique lifetime params,
// see that issue for more. We will also have to ignore bivariant lifetime
// params for RPIT, but that's comparatively trivial ✨
continue;
}
GenericArgKind::Lifetime(lt) if is_ty_alias => {
matches!(*lt, ty::ReEarlyBound(_) | ty::ReFree(_))
}
// FIXME(#113916): we can't currently check for unique lifetime params,
// see that issue for more. We will also have to ignore unused lifetime
// params for RPIT, but that's comparatively trivial ✨
GenericArgKind::Lifetime(_) => continue,
GenericArgKind::Const(ct) => matches!(ct.kind(), ty::ConstKind::Param(_)),
};