-Wabi is misdesigned (answers the wrong question)

[law@redhat.com]

In message <20031024113004.A2349@synopsys.com>, Joe Buck writes:
 >Another alternative is the following: if we had a dump format that
 >would contain a description of the layout of each class that is encountered,
 >then we could simply run the compiler twice, once with the 3.2 ABI,
 >once with the 3.4 ABI, and then diff the dumps. 
:-)  I advocated this at some point.  You dump out the exported names,
size/layout information for structures and the like.  You can then
compare the results between different compilers.

Jeff