[Bug c/114181] issubnormal is a macro

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114181

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Also please provide a full testcase to show what you are doing because this
code snippet is not even valid c++.