> But neither you nor Andrei gave any good reason why  file  and  line  should be removed.

1. It's duplicative with symbolic debug info.
2. We shouldn't add things just because we can. "Why not" is not a valid argument for including something. It must be justified on its own merits.
3. It does increase size and complexity. Ever had a dripping water faucet? I have. Those drops add up to an amazing amount of water.

> I have a need for that as explained before

Fair enough - please reproduce the explanation here or provide a link.

> That's not a honest statement.

Please, let's not confuse disagreement or possible mistakes with dishonesty.