Support default-body trait functions with RPITIT

2022-09-11 07:42:04 +00:00 · 2022-09-11 07:42:04 +00:00 · 21047f1a1c
commit 21047f1a1c
parent d4846f9d03
3 changed files with 60 additions and 6 deletions
--- a/compiler/rustc_hir_analysis/src/collect/type_of.rs
+++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs
@ -340,10 +340,9 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> {
                    ..
                }) => {
                    if in_trait {
-                        span_bug!(item.span, "impl-trait in trait has no default")
-                    } else {
-                        find_opaque_ty_constraints_for_rpit(tcx, def_id, owner)
+                        assert!(tcx.impl_defaultness(owner).has_value());
                    }
+                    find_opaque_ty_constraints_for_rpit(tcx, def_id, owner)
                }
                ItemKind::Trait(..)
                | ItemKind::TraitAlias(..)