GCC 4.2.0 Status Report (2007-03-22)

[Diego Novillo]

Richard Kenner wrote on 03/30/07 13:45:

> One concern I have in marking a DECL addressable that early on is that
> it may stay "stuck" even if the ADDR_EXPR is later eliminated.  This can
> be common in inlined situations, I thought.

The aliaser is fairly aggressive at removing TREE_ADDRESSABLE from
variables that do not need it anymore, so that should not be a problem.


> We *do* have to make up our mind, of course, on a precise time when it's
> set and be very clear about whether we can reset it (and how) if we
> discover later that the address actually isn't being taken.

Agreed.