On 10 April 2015 at 14:21, Eli Zaretskii wrote: > Could someone please tell which optimizations are turned on by the -Og > switch? The GCC manual lists the optimization flags turned on by -O1, > -O2, -O3, -Os, and -Ofast, but keeps silent about -Og. > > Is there any documentation or some other place where this information > can be found? You can run the command: g++ -Q -Og --help=optimizers