Built-ins for C99 macros isfinite, isnan, isnormal, isinf, signbit

[Paolo Carlini]

On 09/09/2010 11:43 AM, FX wrote:
> Thus, my question is: Is there any risk in doing so?
>   
I don't know if you noticed, but the C++ runtime library started using
the builtins exclusively in 4.4.0, we exposed a small bug (fixed by
Richard I think), where the compiler crashed for an integer type
argument, but otherwise *nobody* complained so far.

Paolo.