------- Additional Comments From austern at apple dot com 2005-01-31 02:38
-------
Subject: Re: [3.4/4.0 Regression] g++ no longer accepts __builtin_constant_p
in constant-expressions
> it checks for built-ins that can appear in consant-expressions, but
> the name
> might seem to refer exclusively to __builtin_constant_p. A name like
> "builtin_valid_in_constant_expr_p" would seem better.
I agree, that's a better name. I'll change it.
> (Matt, I think you should also check what happens when
> __builtin_constant_p is
> used as a template argument with dependent arguments, like:
> template <int I>
> void f(int &[__builtin_constant_p (I) + 2]);
Actually, it ICEs. That would be a regression. I think I'd better fix
it before checking this in.
--Matt
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19628
