We have finally flipped this on for our official Firefox Linux builds using GCC 4.5, see https://bugzilla.mozilla.org/show_bug.cgi?id=559964 . Doing PGO for XULRunner would be a little different, since you'd need a different profiling script.
We have finally flipped this on for our official Firefox Linux builds using GCC 4.5, see https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=559964 . Doing PGO for XULRunner would be a little different, since you'd need a different profiling script.