On Tue, Jan 17, 2017 at 02:51:47PM -0600, J. Ryan Stinnett wrote:
I am not very familiar with the details of XUL prototype cache, but my
understanding of bug 1286082[1] is that currently the XUL prototype
cache is not actually working correctly (and possibly has been broken
since bug 592943[2] landed as part of Firefox 7 in 2011).
So, an even more careful investigation / comparison is warranted. The
prototype cache might not currently be doing anything.
I've recently run into multiple bugs (mostly timing bugs) that
only show up after we flush the prototype cache and have to do a
fresh load, so I can say with fair certainty that it is doing
something.
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