anchor.diff:  Math,101,ComplexFormat.java,1,0,1
   Math,102,ChiSquareTestImpl.java,17,0,0
   Math,103,NormalDistributionImpl.java,10,0,0
  -Math,104,Beta.java,0,0,1
   Math,104,Gamma.java,0,0,1
   Math,105,SimpleRegression.java,0,0,1
   Math,106,ProperFractionFormat.java,8,0,0
  
positive.code: Time,19,DateTimeZone.java,0,0,1
  Time,20,DateTimeFormatterBuilder.java,6,0,2
  Time,21,DefaultNameProvider.java,10,0,6
  Time,22,MutablePeriod.java,0,0,1
  Time,22,Period.java,0,0,1
  Time,22,base/BasePeriod.java,8,0,0
  Time,23,DateTimeZone.java,5,4,4
  Time,24,DateTimeParserBucket.java,5,0,0
  Time,25,DateTimeZone.java,9,0,0
  Time,26,chrono/ZonedChronology.java,0,0,7
  Time,26,field/LenientDateTimeField.java,0,0,1
  Time,27,PeriodFormatterBuilder.java,2,0,0
  
negative.code: Closure,73,CodeGenerator.java,0,0,1
  Closure,74,PeepholeFoldConstants.java,13,0,2
  Closure,75,NodeUtil.java,3,0,1
  Closure,76,DeadAssignmentsElimination.java,33,2,4
  Closure,77,CodeGenerator.java,1,0,0
  Closure,78,PeepholeFoldConstants.java,0,2,0
  Closure,79,Normalize.java,0,0,1
  Closure,79,VarCheck.java,1,0,0
  Closure,80,NodeUtil.java,2,0,0
  Closure,81,IRFactory.java,7,0,0
  