The xulrunner test suite now passes on sparc, involving a fix for an existing bug, and a new bug report.
Next target is powerpc, where, interestingly, the test suite only failed 3 tests on the porterbox, where the buildd failed 58… And contrary to sparc, the failures don’t involve crashes.
Update: powerpc is now fixed, too, with [...]

As part of preparing xulrunner 1.9.2 (which would lead to Iceweasel 3.6), I have gone through all the patches currently applied to the latest xulrunner release, to keep track of what should be upstreamed, what needed feedback, what patches I needed to update in upstream bugzilla, etc.
As I have talked about our differences with upstream [...]