[build] Move crtfastmath to toplevel libgcc

[Richard Henderson]

On 07/13/2011 09:57 AM, Rainer Orth wrote:
> Do you think the revised crtfastmath patch is safe enough to commit
> together to avoid this mess?

Probably.

> +# -frandom-seed is necessary to keep the mangled name of the constructor on
> +# Tru64 Unix stable, but harmless otherwise.

Instead of implying permanent stability, I'd mention bootstrap comparison
failures specifically.


r~