Need to check it out. I guess you mean these:

- C++ Exceptions Reduce Firmware Code Size, ACCU [1]

- C++ Exceptions for Smaller Firmware, CppCon [2]

[1]: https://www.youtube.com/watch?v=BGmzMuSDt-Y

[2]: https://www.youtube.com/watch?v=bY2FlayomlE