Support ?Trait bounds in supertraits and dyn Trait under a feature gate

2024-02-23 16:39:57 +03:00
parent 28e684b470
commit 2a73553513
34 changed files with 305 additions and 85 deletions
--- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs
+++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs
@@ -831,7 +831,7 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for GATArgsCollector<'tcx> {

 fn could_be_self(trait_def_id: LocalDefId, ty: &hir::Ty<'_>) -> bool {
    match ty.kind {
-        hir::TyKind::TraitObject([trait_ref], ..) => match trait_ref.trait_ref.path.segments {
+        hir::TyKind::TraitObject([(trait_ref, _)], ..) => match trait_ref.trait_ref.path.segments {
            [s] => s.res.opt_def_id() == Some(trait_def_id.to_def_id()),
            _ => false,
        },