On Mo, Aug 24, 2015 at 10:23:20 -0500, Segher Boessenkool wrote: > On Mon, Aug 24, 2015 at 03:53:54PM +0100, Jonathan Wakely wrote: > > On 24 August 2015 at 15:49, Josef Wolf wrote: > > > 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. Right. But warnings tend to be there for a reason. So I'm trying to find out how to correctly handle this situation. > > You should look at *where* it crashes, and *why*. Is it dereferencing > > an invalid pointer? Is there a misaligned access? I think Martin Sebor is right here. > Right. Also you should use -fno-strict-aliasing since you play non-standard > pointer games. Could you elaborate more verbosely on this, please? I don't see where aliasing problems could be hidden in the outlined code fragments. -- Josef Wolf jw@xxxxxxxxxxxxx
