//ww:run
package main;
type ali = base;
type base = struct { a: size, b: size, c: size };
export fn main() i32 = { let a: ali; a.a = 4; a.b = 9; a.c = 13; let b: ali; b.a = 0; b.b = 0; b.c = 0; b = a; if (b.a != 4) { return 1; }; if (b.b != 9) { return 2; }; if (b.c != 13) { return 3; }; return 0; };