Assume we can normalize trait default method RPITITs in param-env instead

2023-02-17 17:16:43 +00:00
parent be55ad53a1
commit d42a3fbd69
3 changed files with 81 additions and 4 deletions
--- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs
+++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs
@@ -1599,7 +1599,7 @@ fn check_return_position_impl_trait_in_trait_bounds<'tcx>(
    {
        for arg in fn_output.walk() {
            if let ty::GenericArgKind::Type(ty) = arg.unpack()
-                && let ty::Alias(ty::Projection, proj) = ty.kind()
+                && let ty::Alias(ty::Opaque, proj) = ty.kind()
                && tcx.def_kind(proj.def_id) == DefKind::ImplTraitPlaceholder
                && tcx.impl_trait_in_trait_parent(proj.def_id) == fn_def_id.to_def_id()
            {