[Bug middle-end/125562] float-double-float conversion does not change signaling NaN (sNaN) to quiet NaN (qNaN)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125562

--- Comment #4 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Looks like LLVM has the same bug (though only at -O1 and above).