[tree-ssa] Fun with exceptions -- opinions needed

[law@redhat.com]

In message <1055554658.3818.36.camel@frodo.toronto.redhat.com>, Diego Novillo w
rites:
 >On Fri, 2003-06-13 at 19:47, law@redhat.com wrote:
 >
 >>             i = get (strm.5)
 >>
 >Huh, I thought the gimplifier was already gimplifying expressions that
 >may throw into
 >
 >		tmp = <expr>;
 >		i = tmp;
It definitely isn't right now.  Or at least I can't find any code which
does that.
 >
 >The flow graph builder is already handling calls and indirect refs. 
 >Shouldn't we have an EXPR_MAY_THROW_P attribute?  Java, can throw just
 >about anywhere, IIRC.
It would simplify things a little.

jeff