------- Comment #3 from law at redhat dot com  2006-04-11 05:41 -------
The problem is that may_propagate_copy and merge_alias_info are inconsistent. 
ie, DOM properly calls may_propagate_copy to determine if a particular copy
propagation is valid.  may_propagate_copy returns true indicating the copy
propagation is valid.  However, when the copy propagation is performed and we
reach merge_alias_info, merge_alias_info has an additional sanity check that
causes it to fail.  

This really isn't a DOM problem.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27087

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