[ tree-ssa] PRE problem

[law@redhat.com]

In message <760713BF-63D0-11D8-ABAD-000A95DA505C@dberlin.org>, Daniel Berlin wr
ites:
 >
 >On Feb 20, 2004, at 12:44 PM, law@redhat.com wrote:
 >
 >> (for example, copy propagation when the two objects have different
 >> memory tags).
 >
 >I should also note that if this is true, something else is broken.
 >Things appearing on either side of an assignment are supposed to have 
 >the same memory tag.
In the problematic PHI node, one object has a memory tag, one does not.
I'll look earlier and see if something else has mucked things up.


jeff