Cryptic java.lang.IndexOutOfBoundsException if coverage tool is enabled

[printingin3d]

Please provide the following information:

• Version of JMockit that was used:
  1.21 and 1.22
• Description of the problem or enhancement request:
  Checkout the code from the following place: https://github.com/printingin3d/javascad and run mvn clean install

The result some cryptic exception during the test run, originated in the Area2d class:

java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at eu.printingin3d.javascad.models2d.Area2d.getIteratorCrossing(Area2d.java:163)
at eu.printingin3d.javascad.models2d.Area2d.union(Area2d.java:251)

The funfact is: I got the same error if the lineSegmentSeries method returns with a Vector, instead of ArrayList. More than that - as it can be seen in the commented out lines - I rewrote that enhanced for loop to a classic for loop, and then the above exception has been thrown in the very first line after the for loop. Even if it is just a System.out.println("hello").

If I comment the coverage tool out in the pom.xml the problem doesn't occur.

I haven't spend any time to try to minimize the code site which produces the error - I'll try later, but I wanted to open an issue. Maybe it will be familiar to someone.