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

#write test.zig {
comptime {
    const undef: @EnumLiteral() = undefined;
    _ = @tagName(undef);
}
#}
#update
#check errors {
test.zig:3:18: error: use of undefined value here causes illegal behavior
#}
