On Mon, Feb 12, 2018 at 01:02:20PM +0100, Paolo Bonzini wrote: > On 12/02/2018 09:56, Richard Biener wrote: > >>> I think it does, for both ASAN_CHECK and ASAN_MARK the pointer argument > >>> is the second one, the first one is an integer argument with flags. > >>> And ASAN_MARK, both poison and unpoison, works kind like a clobber on > >>> the > >>> referenced variable, before unpoison it is generally inaccessible and > >>> after > >>> poison too. > >> Ah, indeed. > > Which was an approval as well, in case you want to push this right now. > > Oh cool. I was going to look at ubsan builtins too, I'll post that > separately. Ok for GCC 7 too?
Please wait with GCC 7 backport at least 2 weeks after it is committed to trunk. Jakub