On 24 August 2015 at 15:49, Josef Wolf wrote: > Hello experts, > > I have some old code, which worked fine with old GCC releases, but > fails with current GCC. > > With current GCC, I get a warning: > > "ISO C forbids conversion of function pointer to object pointer type [-Wpedantic]" > > and the system crashes. That warning is not likely to be the reason it crashes. You should look at *where* it crashes, and *why*. Is it dereferencing an invalid pointer? Is there a misaligned access?