------- Comment #2 from jakub at gcc dot gnu dot org  2010-09-08 12:05 -------
Created an attachment (id=21736)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21736&action=view)

One testcase I've been playing with.  The patch allows optimizing away
temporaries on 3 of the 4 p? = a + ? assignments, only for p3 it assumes it
might point to a (well, in this case a is never assigned to any pointer, but
that is not tracked).



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