[Bug tree-optimization/108447] [13 Regression] glibc math/test-*-iseqsig failures

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108447

--- Comment #13 from rguenther at suse dot de <rguenther at suse dot de> ---
On Thu, 19 Jan 2023, jakub at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108447
> 
> --- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
> As a workaround in stage4, perhaps, but long term the relations make a lot of
> sense even for floating point with NANs.  If you know <= relation between 2
> vars and know the range of one of them, the other can be computed from it, ...

I think it makes more sense to fix the relation combining code, maybe
simply disable that for FP as a workaround?