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

#write test.zig {
const E = enum {
    a,
    b,
    c,
};
const U = union(E) {
    a: i32,
    b: f64,
    c: f64,
    d: f64,
};
export fn entry() usize {
    return @sizeOf(U);
}
#}
#update
#check errors {
test.zig:10:5: error: no field named 'd' in enum 'test.E'
test.zig:1:11: note: enum declared here
#}
