PATCH for alias sets/stack slots, again

[Jeffrey A Law]

  In message < 19990219172611.A17723@cygnus.com >you write:
  > On Fri, Feb 19, 1999 at 12:37:59AM -0700, Jeffrey A Law wrote:
  > > If the old slot has alias set zero and the desired alias set is zero, the
  > n we
  > > can reuse the slot.  Right?
  > 
  > No, Mark is right.  The problem is that we have "false zeros", in that
  > we lose alias set information on slots when we regenerate the slots 
  > during inline function expansion.  If it weren't for that, we could
  > reuse them.
I'll take yours and Mark's word on it. :-)  Mark, consider the patch approved.


jeff