1756 join_info_in([], _OldInfo, _NewInfo) ->  function
1759 join_info_in(Vars, OldInfo, NewInfo) ->  function
1760   NewInfo2 = join_info_in(Vars, Vars, OldInfo, NewInfo, gb_trees:empty()),
1770 join_info_in([Var|Left], LiveIn, Info1, Info2, Acc) ->  function
1775       join_info_in(Left, LiveIn, Info1, Info2, Acc);
1778       join_info_in(Left, LiveIn, Info1, Info2, NewTree);
1781       join_info_in(Left, LiveIn, Info1, Info2, NewTree);
1784       join_info_in(Left, LiveIn, Info1, Info2, NewTree)
1786 join_info_in([], _LiveIn, _Info1, _Info2, Acc) ->  function
1934       case join_info_in(LiveIn, OldInfo, Info) of
1942       case join_info_in(LiveIn, OldInfo, Info) of