Refactor vtable format.

2021-06-17 12:20:18 +08:00 · 2021-06-17 12:20:18 +08:00 · d2dc4276fd
commit d2dc4276fd
parent da7d405357
5 changed files with 311 additions and 58 deletions
--- a/compiler/rustc_mir/src/monomorphize/collector.rs
+++ b/compiler/rustc_mir/src/monomorphize/collector.rs
@ -1116,6 +1116,10 @@ fn create_mono_items_for_vtable_methods<'tcx>(
                    | VtblEntry::MetadataSize
                    | VtblEntry::MetadataAlign
                    | VtblEntry::Vacant => None,
+                    VtblEntry::TraitVPtr(_) => {
+                        // all super trait items already covered, so skip them.
+                        None
+                    }
                    VtblEntry::Method(def_id, substs) => ty::Instance::resolve_for_vtable(
                        tcx,
                        ty::ParamEnv::reveal_all(),