1const S = struct {
 2    x: u32,
 3};
 4fn reassign(s: S) void {
 5    s = S{ .x = 2 };
 6}
 7export fn entry() void {
 8    reassign(S{ .x = 3 });
 9}
10
11// error
12//
13// :5:5: error: cannot assign to constant