est31

@domenic Is this line of arguing what you were saying? 1. You have deemed the `file:///` protocol unfit to have scripting abilities, out of security reasons. 2. At a future...

Can we actually put column info into debuginfo yet? There seem to be some bugs at least on some platforms connected to columns. I wouldn't want to regress on this....

> the only time lack of column numbers would actually be a regression is when you have multiple panics on the same line That's when the regression would matter, right....

> Patching LLVM to write column end info as well can't be that hard (although the poking I just did suggests that it may be a lot harder than it...

Do we have panic backtrace support on the wasm platforms? It would be pretty sad to regress here.

Thanks @pepyakin. IIRC there is source maps support for emscripten, but not for the unknown target, I've [filed a bug](https://github.com/rust-lang/rust/issues/46765) for the unknown target. All this together makes me believe...

> The RFC process always was about discussing ideas before doing the implementation work. Correct me if I'm wrong, but the "implementation work" for this RFC consists of removing panic...

> No, the panic runtime also needs changes to always print backtraces by default. And to me that includes fixing the remaining issues, probably by moving away from libbacktrace. I...

> None of what I'm proposing / needs to happen is very hypothetical or written in the stars, all of this can and does work. It *can* work, but it...

@roderickvd thanks, that is very impressive experience. I have sent you an invite. Hopefully you can merge PRs now, review them, etc. Do as you deem is best for the...