Linux and aliasing?

[Jeffrey A Law]

  In message < 19990604222537.B12018@rigel.inria.fr >you write:
  > Is there a way to emit a warning when dangerous code is used ?
  > That would greatly help.
Possibly.  I'm not well versed enough in the front-end to really know.

One might be able to start by looking at how -Wcast-align works and see if
there's enough information at that time to warn without giving too many
false positives.
jeff