On Tue, 27 Apr 2021 at 21:04, Андрей Некрашевич via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> > Presumably this particular implementation won't work if libcxxabi is
> statically linked
>
> Yes, that's right. But as the paper says - `libsfe` is just a prototype
> to show that we can add `std::stacktrace::from_current_exception` without
> breaking ABI. Library does not pretend to be a release implementation.
>

There is some overhead in taking a stack trace, even if you defer symbol
(and source location) resolution until it is used. Are you proposing that
the runtime call backtrace / CaptureStackBackTrace on every throw?

Will the stack trace be attached to std::exception_ptr?