diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_hir_analysis/src/check/wfcheck.rs | 8 | ||||
| -rw-r--r-- | compiler/rustc_middle/src/ty/util.rs | 12 |
2 files changed, 5 insertions, 15 deletions
diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index 69e32c35ed8..a269a7a1d8b 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -1745,9 +1745,11 @@ fn check_variances_for_type_defn<'tcx>( item: &hir::Item<'tcx>, hir_generics: &hir::Generics<'_>, ) { - let ty = tcx.type_of(item.owner_id).subst_identity(); - if tcx.has_error_field(ty) { - return; + let identity_substs = ty::InternalSubsts::identity_for_item(tcx, item.owner_id); + for field in tcx.adt_def(item.owner_id).all_fields() { + if field.ty(tcx, identity_substs).references_error() { + return; + } } let ty_predicates = tcx.predicates_of(item.owner_id); diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index dce2f5545f5..d45e4d595a7 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -173,18 +173,6 @@ impl<'tcx> TyCtxt<'tcx> { } } - pub fn has_error_field(self, ty: Ty<'tcx>) -> bool { - if let ty::Adt(def, substs) = *ty.kind() { - for field in def.all_fields() { - let field_ty = field.ty(self, substs); - if let ty::Error(_) = field_ty.kind() { - return true; - } - } - } - false - } - /// Attempts to returns the deeply last field of nested structures, but /// does not apply any normalization in its search. Returns the same type /// if input `ty` is not a structure at all. |