Source Cursor seems to go to the last occurrence

[brabalan]

To reproduce:

• try the fourth example (fixed array allocation of functions)
• click the first return
  • expected: step 6792 (j is 0)
  • actual: step 18871 (j is 2)

[brabalan]

This actually seems to be on purpose: https://github.com/jscert/jsexplain/blob/master/navig-driver.js#L593