[Bug tree-optimization/21712] missed optimization due with const function and pulling out of loops

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-05-22 21:43 -------
const is different from pure, const cannot read from memory.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21712