https://gpuweb.github.io/gpuweb/#gpuobjectbase interface mixin GPUObjectBase { attribute (USVString or undefined) label; }; Our bindings generator is turning that into std::variant<WTF::String, void>
<rdar://problem/89368887>
This is probably a dup of https://bugs.webkit.org/show_bug.cgi?id=232734 *** This bug has been marked as a duplicate of bug 232734 ***