#12313: Fix yet another memory leak caused by caching of coercion data
--------------------------------------------------------+-------------------
       Reporter:  SimonKing                             |         Owner:        
                                               
           Type:  defect                                |        Status:  
needs_work                                           
       Priority:  major                                 |     Milestone:  
sage-5.7                                             
      Component:  memleak                               |    Resolution:        
                                               
       Keywords:  coercion weak dictionary              |   Work issues:  Speed 
regression                                     
Report Upstream:  N/A                                   |     Reviewers:  Simon 
King, Jean-Pierre Flori, John Perry, Nils Bruin
        Authors:  Simon King, Jean-Pierre Flori         |     Merged in:        
                                               
   Dependencies:  #715, #11521, #12215, #13746, #13378  |      Stopgaps:        
                                               
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Comment (by jdemeyer):

 But how are we sure that the speed regression is limited to that one file
 about Schur functions? It seems to me that it might just be an obvious
 place where the regression is observed. A priori, many other parts of the
 Sage library might also be affected.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12313#comment:289>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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