__builtin_huge_val, __builtin_inf, and std::numeric_limits

[Gabriel Dos Reis]

Richard Henderson <rth@redhat.com> writes:

| Regression tested on i686-linux; tested that the warnings
| worked like I want in C on vax-bsd.

Thanks for doing this.  

What do you mean by "worked like I want"?  Does it trigger a
diagnostic for numeric_limits<float>::infinity() when
numeric_limits<float>::has_infinity is false?

Thanks,

-- Gaby