[Bug middle-end/50724] isnan broken by -ffinite-math-only in g++

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50724

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |INVALID

--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-10-15 18:00:10 UTC ---
It has always been assumed that arithmetic includes isnan.  isnan can be
implemented as a macro defining to !(a==a) which then becomes an arithmetic.