squash OpaqueTy and ProjectionTy into AliasTy

2022-11-26 21:32:01 +00:00
parent 5c6afb850c
commit c13bd83528
66 changed files with 182 additions and 197 deletions
--- a/compiler/rustc_middle/src/ty/util.rs
+++ b/compiler/rustc_middle/src/ty/util.rs
@@ -826,7 +826,7 @@ impl<'tcx> TypeFolder<'tcx> for OpaqueTypeExpander<'tcx> {
    }

    fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> {
-        if let ty::Opaque(ty::OpaqueTy { def_id, substs }) = *t.kind() {
+        if let ty::Opaque(ty::AliasTy { def_id, substs }) = *t.kind() {
            self.expand_opaque_ty(def_id, substs).unwrap_or(t)
        } else if t.has_opaque_types() {
            t.super_fold_with(self)