FF11 Crashes on https://FinancialCryptography.com

[adamshostack]

When visiting https://FinancialCryptography.com with FF11 on a Mac (10.6) with Convergence .09, FF crashes. The crash is reliable and reproduces for me.
Disabling Convergence allows me to visit the site without crashing.

The Mozilla crash reports appear slightly different. They are:

https://crash-stats.mozilla.com/report/index/f430ae28-84d4-4621-9bca-cf23a2120323
https://crash-stats.mozilla.com/report/pending/a210cd70-b6a4-465f-8c3b-3efae2120323
https://crash-stats.mozilla.com/report/index/f593b400-4c7f-4dcc-ae0d-2119c2120322 (frame 0 is js/src/jsutil.cpp:95, and there are several of those that look extremely similar such as
https://crash-stats.mozilla.com/report/index/b6cc21d0-d801-4d12-94dd-19fc92120322
Then there's this, https://crash-stats.mozilla.com/report/index/2d765a15-f130-44c4-819a-8a1612120323 which also has a frame 0 of jsutil.cpp:95, but a much shorter stack)