[Bug tree-optimization/34723] Summing variable should be initialized to the first member before the loop

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2008-01-09 08:50 -------
So 4.2's jump threading used to mess up the loop (and copy the first iteration)
and cause code size issues so it was removed for 4.3.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34723