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From: ytomino <aghia05@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: What is the warning about builtin-function on gcc-4.6.0 ?
Date: Sat, 26 Mar 2011 02:13:29 -0700 (PDT)
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On Mar 26, 5:45=C2=A0pm, Florian Weimer <f...@deneb.enyo.de> wrote:
> * ytomino:
>
> > =C2=A0 =C2=A0function isfinite (X : Long_Float) return Integer;
> > =C2=A0 =C2=A0pragma Import (Intrinsic, isfinite, "__builtin_isfinite");
>
> isfinite and the corresponding GCC builtin are overloaded C99
> functions and cannot be called from Ada.

I've used isfinite (and other builtins) with gcc-4.5.x=E3=80=81and it works
fine.
And, with gcc-4.6.0, it reports warning, but it works fine exactly.
So I think these builtins *can* called from Ada.

Is it disallowed in the specification ?