[Bug tree-optimization/18576] missing jump threading because of type changes

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-11-20 
17:11 -------
Note changing flow_loop_nested_p to return an int instead of unsigned char, the 
jump threading works 

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18576