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[Bug tree-optimization/19828] [4.0 Regression] LIM is pulling out a pure function even though there is something which can modify global memory
- From: "drow at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Feb 2005 20:05:02 -0000
- Subject: [Bug tree-optimization/19828] [4.0 Regression] LIM is pulling out a pure function even though there is something which can modify global memory
- References: <20050208190328.19828.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla 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