[PATCH] Document target_fold_builtin

[Roger Sayle]

On Fri, 3 Dec 2004, Paolo Bonzini wrote:
> 2004-12-03  Paolo Bonzini  <bonzini@gnu.org>
>
>         * doc/tm.texi (Misc): Document TARGET_FOLD_BUILTIN.

This is OK for mainline, with the obvious correction that the
"ignore" argument is now of type "bool".  As a consequence,
might I suggest a tweak to the final sentence;

If @var{ignore} is true the return value is to be ignored.

Thanks,

Roger
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