[Bug tree-optimization/23335] [4.0/4.1 Regression] copyrename does not coalesce different type variables (useless type conversion)

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-08-11 
18:48 -------
(In reply to comment #5)
Note the code gen for this testcase is the same for both 3.4 and 4.0, though 
you could find one where 
we actually produces much worse code gen.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23335