Steps to reproduce:
1) Load <http://maps.google.co.nz/> and search for Auckland.
2) Click “Get Directions”.
3) Enter “Taupo” in to the empty field and press “Get Directions”.
4) Press “Get Directions” a second time.
You’ll notice after step three that directions are displayed. After step four the directions will no longer be visible and the yellow “Loading…” indicator will remain at the top of the screen.
TypeError: Result of expression 'a.lng' [undefined] is not a function. (main.js:709)
This bug seems to be reproducible getting directions on any google maps property going from anywhere to anywhere.
Another symptom is that the blue line of travel never shows up on the map.
Shorter steps to reproduce: Load this URL: http://maps.google.com/maps?f=d&hl=en&geocode=&saddr=cupertino&daddr=berkeley.
Committed r53341: <http://trac.webkit.org/changeset/53341>
*** This bug has been marked as a duplicate of bug 31871 ***