[Bug sanitizer/111736] Address sanitizer is not compatible with named address spaces

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111736

--- Comment #21 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #20)
> Though, talking about address spaces, guess we also need to change ubsan.cc,
> so that for targetm.addr_space.zero_address_valid (as) case it actually
> doesn't try to
> verify the pointers aren't NULL (it still should check alignment).

I'll handle that.