On 7/27/20 5:49 AM, wjoe wrote: > struct A > { > mixin(bitfields!( > bool, "flag1", 1, > bool, "flag2", 1, > uint, "", 6)); > } Is this inside a function? If so, put `static` on it. What you are seeing is the 8-byte frame pointer that comes from inner structs so you can access stack variables inside the struct. -Steve