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[Bug c++/11224] [3.3/3.4 regression] warning "value computed is not used" no longer emitted


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11224


pinskia@physics.uc.edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2003-06-17 18:12:14
               date|                            |
            Summary|[regression] warning "value |[3.3/3.4 regression] warning
                   |computed is not used" no    |"value computed is not used"
                   |longer emitted              |no longer emitted
   Target Milestone|3.4                         |3.3.1
            Version|unknown                     |3.0.4


------- Additional Comments From pinskia@physics.uc.edu  2003-06-17 18:12 -------
I can confirm this on the mainline (20030617), I think the problem is that isEmpty is not really 
being marked const so gcc says that there could be some side-effects which is clearly not true. 

from stmt.c:2430:
/* If this is an expression with side effects, don't warn.  */
      if (TREE_SIDE_EFFECTS (exp))
        return 0;


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