[Bug c/119014] Extending _Float16 constant at compile and run time differs

[stefansf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119014

--- Comment #4 from Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> ---
Thanks for pointing this out.  I was fearing that this is valid but wasn't
sure.  Especially the difference between (_Float16) 42.42f16 and just the
constant without the cast, I didn't have on my radar.