1 files changed, 6 insertions, 16 deletions

diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs
index 1e2fbeb38..f141d7bee 100644
--- a/compiler/rustc_passes/src/dead.rs
+++ b/compiler/rustc_passes/src/dead.rs
@@ -226,19 +226,16 @@ impl<'tcx> MarkSymbolVisitor<'tcx> {
         lhs: &hir::Pat<'_>,
         res: Res,
         pats: &[hir::Pat<'_>],
-        dotdot: Option<usize>,
+        dotdot: hir::DotDotPos,
     ) {
         let variant = match self.typeck_results().node_type(lhs.hir_id).kind() {
             ty::Adt(adt, _) => adt.variant_of_res(res),
             _ => span_bug!(lhs.span, "non-ADT in tuple struct pattern"),
         };
-        let first_n = pats.iter().enumerate().take(dotdot.unwrap_or(pats.len()));
+        let dotdot = dotdot.as_opt_usize().unwrap_or(pats.len());
+        let first_n = pats.iter().enumerate().take(dotdot);
         let missing = variant.fields.len() - pats.len();
-        let last_n = pats
-            .iter()
-            .enumerate()
-            .skip(dotdot.unwrap_or(pats.len()))
-            .map(|(idx, pat)| (idx + missing, pat));
+        let last_n = pats.iter().enumerate().skip(dotdot).map(|(idx, pat)| (idx + missing, pat));
         for (idx, pat) in first_n.chain(last_n) {
             if let PatKind::Wild = pat.kind {
                 continue;
@@ -368,14 +365,7 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> {
         self.maybe_typeck_results = old_maybe_typeck_results;
     }
 
-    fn visit_variant_data(
-        &mut self,
-        def: &'tcx hir::VariantData<'tcx>,
-        _: Symbol,
-        _: &hir::Generics<'_>,
-        _: hir::HirId,
-        _: rustc_span::Span,
-    ) {
+    fn visit_variant_data(&mut self, def: &'tcx hir::VariantData<'tcx>) {
         let tcx = self.tcx;
         let has_repr_c = self.repr_has_repr_c;
         let has_repr_simd = self.repr_has_repr_simd;
@@ -457,7 +447,7 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> {
     }
 
     fn visit_ty(&mut self, ty: &'tcx hir::Ty<'tcx>) {
-        if let TyKind::OpaqueDef(item_id, _) = ty.kind {
+        if let TyKind::OpaqueDef(item_id, _, _) = ty.kind {
             let item = self.tcx.hir().item(item_id);
             intravisit::walk_item(self, item);
         }