Been awhile since I last visited.
I was also stuck .
Had to get a 'save game' from someone.
(I may not have had the patch also)
When it DID work again, here's what I did:
after triggering boulder,
I backflipped 2 times, then dodged left,(into an open side of tunnel) to allow the boulder to fall past me.
(Before, I would make it, but Indy was then rendered inoperative
-game lost the character)
Nice this place is still around, had many great times playing this game!!