[Bug fortran/82207] ieee_class identifies signaling NaNs as quiet NaNs

[sacks at ucar dot edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82207

--- Comment #1 from Bill Sacks <sacks at ucar dot edu> ---
Created attachment 42166
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42166&action=edit
Simple test program

Added attachment to demonstrate the problem in a simpler test program.

Compile and run with

gfortran gfortran_snan.f90
./a.out