http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47650
--- Comment #27 from joe at mcknight dot de 2011-03-16 14:40:32 UTC --- (In reply to comment #26) > > Can we use anything else to terminate the loop? Is there any other debug > > output > > that would be helpful for you? > > Well, try to figure out who creates that void_list_node clone. > > You can use !VOID_TYPE_P (TREE_VALUE (arg)) instead. This works for that special case. Also checking for TREE_CHAIN(arg) != NULL works.