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Re: [RFC] failures found while pounding on GCC trunk

On 9/24/07, Manuel López-Ibáñez <lopezibanez@gmail.com> wrote:

> I don't get it. If you ask for PROP_alias and aliases have been
> computed, then PROP_alias is enabled and you don't need to compute
> them again.

You do if alias information has gone stale due to transformations.
The SSA form is another example.  You can have the program in SSA
form, but a transformation has inserted new code that also needs to be
placed in SSA form.

It could be arranged by clearing PROP_ssa on exit.
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