New verify_alias_info

[Diego Novillo]

On Thu, 2004-07-22 at 12:38, Diego Novillo wrote:

> This adds some overhead to an --enabled-checking compiler.  I still
> haven't timed how much.  I will do some timings today and follow up.
>
On an enabled-checking bootstrap, there is an additional 67% overhead in
verify_ssa, contributing to a 2% total overhead on a typical bootstrap. 
There are no timing differences with checking disabled.


Diego.