error: vtable entries for ``: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(::foo_a), Method(::foo_b), TraitVPtr(), Method(::foo_c), ] --> $DIR/vtable-multiple.rs:16:1 | LL | trait C: A + B { | ^^^^^^^^^^^^^^ error: vtable entries for ``: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(::foo_b), ] --> $DIR/vtable-multiple.rs:10:1 | LL | trait B { | ^^^^^^^ error: aborting due to 2 previous errors