[Bug tree-optimization/20458] [4.1 regression] structure aliasing causes wrong code

[belyshev at depni dot sinp dot msu dot ru]

------- Additional Comments From belyshev at depni dot sinp dot msu dot ru  
2005-03-13 17:02 -------
working on smaller preprocessed testcase (640Kbytes left).

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20458