#zig build-obj {
--name test -fno-emit-bin
-Mroot=test.zig
#}

#write test.zig {
const Tag = @Enum(u1, .exhaustive, &.{ "signed", "unsigned" }, &.{ 0, 1 });
const Tagged = @Union(.auto, Tag, &.{}, &.{}, &.{});
export fn entry() void {
    const tagged: Tagged = undefined;
    _ = tagged;
}
#}
#update
#check errors {
test.zig:2:16: error: enum field 'signed' missing from union
test.zig:1:36: note: enum field here
#}
