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

#write test.zig {
const x = if (undefined) true else false;

export fn entry() usize {
    return @sizeOf(@TypeOf(x));
}
#}
#update
#check errors {
test.zig:1:15: error: use of undefined value here causes illegal behavior
#}
