anchor.diff:  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,22,BasePeriod.java,5,0,1
   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,26,ZonedChronology.java,0,0,7
   Time,27,PeriodFormatterBuilder.java,2,0,0
  
positive.code: Closure,2,TypeCheck.java,4,0,0
  Closure,3,FlowSensitiveInlineVariables.java,6,0,2
  Closure,4,NamedType.java,0,0,2
  Closure,5,InlineObjectLiterals.java,6,0,3
  Closure,6,TypeValidator.java,0,8,0
  Closure,7,ChainableReverseAbstractInterpreter.java,4,0,1
  Closure,8,CollapseVariableDeclarations.java,4,0,0
  
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
  