Pass Points
 Tell you how many time a line was executed.
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 Pass Points allow you to count the number of times that a line has been
 executed. Simply move to the line of code that you wish to set a pass point
 on and press <Alt><F9>. This line is then marked as a pass point and a
 comment will appear within the source code window.

 Each time that the line is executed, the number next to the pass point
 comment will be incremented.