** Changed in: zorba
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/872234

Title:
  problems with unordered map

Status in Zorba - The XQuery Processor:
  Fix Released

Bug description:
  I guess there's a problem with the optimizer.
  Try the following code:

  
  import module namespace map = 
"http://www.zorba-xquery.com/modules/store/data-structures/unordered-map";;

  declare namespace ann = "http://www.zorba-xquery.com/annotations";;
  declare variable $local:processed-internal-links := 
xs:QName("processed-internal-links");

  declare %ann:sequential function local:f1($n as xs:string)
  {
    map:insert($local:processed-internal-links, $n, $n);
    fn:trace($n, "n=");
    
    for $x in ("1", "2", "3")
    return
      if(fn:empty(map:get($local:processed-internal-links, $x))) then
        local:f1($x)
      else
        ()
  };

  map:create($local:processed-internal-links, xs:QName("xs:string"));

  local:f1("0")

  It should display 0 1 2 3
  But it displays 0 1 2 3 3 2 3

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