[Bug tree-optimization/23361] Can't eliminate empty loops with power of two step and variable bounds

[bonzini at gcc dot gnu dot org]

------- Additional Comments From bonzini at gcc dot gnu dot org  2005-09-15 
13:46 -------
if these ints are signed, you should be able to remove these loops.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23361