[Bug tree-optimization/20100] [4.0 Regression] LIM is pulling out a pure function even though there is something which can modify global memory

[dnovillo at gcc dot gnu dot org]

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           What    |Removed                     |Added
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         AssignedTo|unassigned at gcc dot gnu   |dnovillo at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20100