rt_trapExceptions is meant to avoid trapping of exceptions.
However, Exceptions thrown from Fibers are still trapped making the option only usable for code that avoids fibers.
This PR changes the code flow so that the rt_trapExceptions is respected for fibers as well.
https://github.com/D-Programming-Language/druntime/pull/1537
Comment #1 by robert.schadek — 2024-12-07T13:36:29Z