-Wabi is misdesigned (answers the wrong question)

[law@redhat.com]

In message <20031022165429.A20170@synopsys.com>, Joe Buck writes:
 >It's not too complicated to implement, as the compiler already knows how
 >to compute both layouts.
But it may be difficult to compute one layout without side effects which
may make computing the second layout exceedingly difficult.

[ I don't actually know if that's the case, just clarifying that
  knowing how to do both layouts doesn't mean we already know how
  to do both of them within the same invocation of the compiler. ]
  know how to do them 

Jeff