On 12/01/2015 08:11 PM, Martin Sebor wrote: > I assume you're suggesting that the result produced by GCC for such > expressions should be documented. I agree with that. After checking > the C Implementation section of the manual I believe it's covered by > section 4.5, Integers (bullet 5): > > https://gcc.gnu.org/onlinedocs/gcc/Integers-implementation.html#Integers-implementation You're right, it is. I couldn't find it. Thanks, Andrew.