Hi, On Mon, 18 Feb 2013, Alexander Monakov wrote:
> On Mon, 18 Feb 2013, Michael Matz wrote: > > Automatic variables, as they are on the stack, are unlikely to usually get > > the value 0 out of pure luck, so an option to initialize them to 0xDEADBEAF > > doesn't make much sense. > > Hm, but the following comment from init-regs.c indicates that GCC will set > some uninitialized vars to zero, except at -O0: Yes, that's for pseudos, i.e. scalar automatic variables, doesn't work for may-uninitialized or aggregates and would be unnecessary with -Werror, as must-uninitialized can be and are detected without false positives. The value could be made configurable but I wouldn't see the point. Ciao, Michael.
