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

#write test.zig {
const Tag = @Enum(u2, .exhaustive, &.{ "signed", "unsigned", "arst" }, &.{ 0, 1, 2 });
const Tagged = @Union(.auto, Tag, &.{ "signed", "unsigned" }, &.{ i32, u32 }, &@splat(.{}));
export fn entry() void {
    var tagged = Tagged{ .signed = -1 };
    tagged = .{ .unsigned = 1 };
}
#}
#update
#check errors {
test.zig:2:16: error: enum field 'arst' missing from union
test.zig:1:36: note: enum field here
#}
