Re: New signaling NaN causes 12 testsuite failures

[FX via Fortran]

This is x86_64-linux, with the same source:

$ gcc-10 v.c -fsignaling-nans && ./a.out
Quiet NaN
nan 7fc00000
nan 7ff8000000000000
nan 564e29277fffc000000000000000
Signaling NaN
nan 7fa00000
nan 7ff4000000000000
nan 564e29277fffa000000000000000