1comptime {
 2    const num: usize = 4;
 3    const y: ?*const usize = #
 4    _ = @intFromPtr(y);
 5}
 6
 7// error
 8//
 9// :4:9: error: unable to evaluate comptime expression
10// :4:21: note: operation is runtime due to this operand
11// :1:1: note: 'comptime' keyword forces comptime evaluation