[tree-ssa] bootstrap problem on powerpc-apple-darwin6.6

[Jason Merrill]

On Thu, 21 Aug 2003 21:45:23 -0600, law@redhat.com wrote:

> So, two types can have the same mode, but different min/max values?  I guess
> that makes a certain amount of sense.

Yep.  The mode just indicates how they're stored.

> Ugh.  I learn more about trees every day...  Some things are good, some things
> are bad.
>
> This is probably going to cause some missed optimizations.  I guess we'll
> find another way to deal with them.

Values can certainly propagate through this conversion.  I think we want to
handle passing values through conversions that change the mode, anyway.
And through pointer conversions.

Jason