unnormal Intel 80-bit long doubles and isnanl

[Siddhesh Poyarekar]

On 11/24/20 8:13 PM, Richard Biener wrote:
>>>> compiling isnanl to a quiet fp compare is wrong with
>>>> -fsignalling-nans: classification is not supposed to
>>>> signal exceptions for snan.
> 
> Can you open a bugreport for this?  Note that the option is likely
> to invoke isnanl from libm ...

I believe Szabolcs is talking about this:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66462

Siddhesh