Profiling call count frequently 0 when it shouldn't be

Here's an example (lines shortened):

FUNCTION         MODULE                       CALLS
addinMTypeM      Cortex.Stem.Exp.Addin 212462 56309 0.0 0.0 0.1 0.0
 addinMTypeM''   Cortex.Stem.Exp.Addin 212463     0 0.0 0.0 0.1 0.0
  memoize        Cortex.Utils.Memo     212464     0 0.0 0.0 0.1 0.0
   memoizeIO     Cortex.Utils.Memo     212465     0 0.0 0.0 0.1 0.0
    addinMTypeM' Cortex.Stem.Exp.Addin 212467 13799 0.0 0.0 0.1 0.0

Maybe I don't understand the profile info, but here is my interpretation. addinMTypeM is called 56309 times, and then it calls addinMTypeM'' 0 times, which calls memoize 0 times, which calls memoizeIO 0 times, which calls addinMType' 13799.

How can a function that was called 0 times call another function 13799 times? My profile are full of the 0 entries.

Trac metadata

Trac field	Value
Version	7.8.3
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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