int i = 4i15; // #error: Integer type suffix should be i8, i16, i32, i64 or i128
int j = 4i1024; // #error: Integer type suffix should be i8, i16, i32, i64 or i128
int k = 4i65536; // #error: Integer type suffix should be i8, i16, i32, i64 or i128
int l = 4i016; // #error: Integer type suffix should be i8, i16, i32, i64 or i128