[Bug tree-optimization/19828] [4.0 Regression] LIM is pulling out a pure function even though there is something which can modify global memory

[drow at gcc dot gnu dot org]

------- Additional Comments From drow at gcc dot gnu dot org  2005-02-13 20:05 
-------
That's a pretty useless definition of pure functions - they may read global
memory, but not dereference any pointers which are invalid at any point in
the life of the program?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19828