[Bug tree-optimization/40321] [4.4/4.5 Regression] internal compiler error: in compute_antic, at tree-ssa-pre.c:2501

[rguenth at gcc dot gnu dot org]

------- Comment #9 from rguenth at gcc dot gnu dot org  2009-06-02 15:04 -------
More reduced testcase, the loop is produced by tail-recursion:

struct Shape
{
  enum Type { ST_RECT, ST_CIRCLE } type;
  int pos;
  int CollisionWith(const Shape& s) const;
};
int Shape::CollisionWith(const Shape& s) const
{
  if(type == ST_CIRCLE && s.type == ST_RECT)
    return s.CollisionWith(*this);
  return (pos + s.pos);
}


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40321