[Bug rtl-optimization/54365] ARM optimization bug when pointer arithmetic wraps

[glaw@undo-software.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54365

--- Comment #2 from Greg Law <glaw@undo-software.com> 2012-08-24 18:38:24 UTC ---
Yes, I think you're right: I hadn't appreciated that.

Still, even though it's undefined, it's slightly strange behaviour for the
compiler to adopt. I guess it's reasonable to close this bug as invalid though
if you consider that the most appropriate action.