1const Foo = struct {
 2    field: i32,
 3};
 4const x = Foo{ .field = 1 } + Foo{ .field = 2 };
 5
 6export fn entry() usize {
 7    return @sizeOf(@TypeOf(x));
 8}
 9
10// error
11//
12// :4:29: error: invalid operands to binary expression: 'struct' and 'struct'