On 2018.01.04 at 09:18 +0100, Christer Solskogen wrote: > On 03.01.2018 16:23, David Brown wrote: > > Then try the sanitize options. That won't stop the program crashing, > > but will (hopefully!) stop the program with useful information when the > > error occurs. > > > > Any tips on which one? The options for gcc was a bit far over my head. Read the first paragraph of https://gcc.gnu.org/bugs/. -- Markus