[Bug tree-optimization/20100] [4.0 regression] static call incorrectly judged constant, moved out of loop

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-20 
15:41 -------
Actually this is tree aliasing issue. LIM is still doing its job as it does not 
know that inc_g can change 
memory and that ring_empty accesses it.

This was like my testcase in PR 19828.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dnovillo at gcc dot gnu dot
                   |                            |org
          Component|rtl-optimization            |tree-optimization
   Target Milestone|---                         |4.0.0


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