Hi Jed, On Mon, Nov 23, 2009 at 4:24 PM, Jed Brown wrote: > > > But I'm confused here because I don't currently see any warnings with > gcc-4.4.2. Actually this must be a bug because I get no warnings for > the blatantly unused > > malloc(5); > Did you try it with -O2? Without optimizations many of the warnings are not issued. Best wishes, Dirk.