//ww:run-exit 42
package main;
type box = struct { v: u16, pad: u16 };
fn main() i32 = { let b: box; b.v = 0xFFFFu64: u16; b.pad = 0u16; let z: u64 = b.v: u64; if (z == 0xFFFFu64) { return 42; }; return 0; };