diff options
Diffstat (limited to 'compiler/rustc_middle/src/ty/context.rs')
| -rw-r--r-- | compiler/rustc_middle/src/ty/context.rs | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index c62254cd79c..212720f3b69 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -1846,7 +1846,17 @@ impl<'tcx> TyCtxt<'tcx> { let substs = substs.into_iter().map(Into::into); #[cfg(debug_assertions)] { - let n = self.generics_of(_def_id).count(); + let generics = self.generics_of(_def_id); + + let n = if let DefKind::AssocTy = self.def_kind(_def_id) + && let DefKind::Impl { of_trait: false } = self.def_kind(self.parent(_def_id)) + { + // If this is an inherent projection. + + generics.params.len() + 1 + } else { + generics.count() + }; assert_eq!( (n, Some(n)), substs.size_hint(), @@ -2007,7 +2017,7 @@ impl<'tcx> TyCtxt<'tcx> { debug_assert_matches!( (kind, self.def_kind(alias_ty.def_id)), (ty::Opaque, DefKind::OpaqueTy) - | (ty::Projection, DefKind::AssocTy) + | (ty::Projection | ty::Inherent, DefKind::AssocTy) | (ty::Opaque | ty::Projection, DefKind::ImplTraitPlaceholder) ); self.mk_ty_from_kind(Alias(kind, alias_ty)) |