+redef class AReturnExpr
+ redef fun accept_scope_visitor(v)
+ do
+ super
+
+ var escapemark = v.propdef.return_mark
+ if escapemark == null then
+ escapemark = new EscapeMark
+ v.propdef.return_mark = escapemark
+ end
+
+ escapemark.escapes.add(self)
+ self.escapemark = escapemark
+ end
+end