[Bug tree-optimization/91227] pointer relational expression not folded but equivalent inequality is

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91227

--- Comment #12 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Florian Weimer from comment #11)
> GCC on ELF provides defined address ordering for separate objects via linker
> ordering and section attributes.  I think part of these extensions is that
> it is possible to check at run time whether an object falls into a specific
> section, and where.  Support for this must be preserved in some fashion.

How about casting to uintptr_t before comparing? It isn't really formalized,
but I think that's the extension gcc provides to safely do such comparisons.