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Date: Tue, 21 Feb 2006 21:35:00 -0000
Subject: [Bug tree-optimization/26406]  New: Fowardprop does harm for VRP to figure out if a point is non zero
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Example:
int *f(int *b)
{
  int * a = new int[104];
  *a = 1;
  if (a == 0)
    return b;
  return a;
}
-----
Found this while looking into tramp3d.


-- 
           Summary: Fowardprop does harm for VRP to figure out if a point is
                    non zero
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: enhancement
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pinskia at gcc dot gnu dot org
OtherBugsDependingO 22501
             nThis:


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26406