On Mon, Jan 14, 2019 at 09:29:03AM +0100, Richard Biener wrote: > So why is this not just > > return (__UINTPTR_TYPE__)__x > (__UINTPTR_TYPE__)__y; > > or with the casts elided? Does the C++ standard say pointers are > to be compared unsigned here? Or do all targets GCC support > lay out the address space in a way that this is correct for pointers > into distinct objects?
See PR78420 for details on why it is done that way.
Jakub
