[Bug middle-end/88173] constant folding of NaN comparison depends on order of operands

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88173

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|`std::numeric_limits<T>::qu |constant folding of NaN
                   |iet_NaN()` is not always    |comparison depends on order
                   |constexpr                   |of operands
          Component|c++                         |middle-end

--- Comment #11 from Jason Merrill <jason at gcc dot gnu.org> ---
Middle-end issue; the patterns in match.pd handle these equivalent comparisons
very differently.