[Bug tree-optimization/60540] Don't convert int to float when comparing int with float (double) constant

[harald at gigawatt dot nl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60540

--- Comment #7 from Harald van Dijk <harald at gigawatt dot nl> ---
(In reply to Rich Felker from comment #6)
> > Only if the int is out of float's range.
> 
> float's range is [-INF,INF] (endpoints included). There is no such thing as
> "out of float's range".

Floating point types are not guaranteed to support infinity by the C standard,
and checking GCC sources, it appears to support at least one representation
without infinities (VAX).