On Tue, Mar 17, 2020 at 01:44:48AM +0000, Shrader, David Lee via Gcc-help wrote: > Actually, I am interested in looking in to that. I end up fielding a lot of questions about what to do for adequate debugging, and I wasn’t aware of that flag. Thank you for pointing it out to me. -Og was introduced in GCC 4.8, seven years ago. Segher