On 2017-06-06 1:33 PM, Boris Zbarsky wrote:
On 6/1/17 9:04 PM, Mike Hommey wrote:
Ah, forgot to mention that. No, it doesn't affect *our* shipped builds
(because PGO uses a different set of optimization flags).
But it does affect downstream builds that don't PGO.
Based on the jump I see on June 2 at
https://treeherder.mozilla.org/perf.html#/graphs?timerange=2592000&series=%5Bmozilla-central,80984697abf1f1ff2b058e2d9f0b351fd9d12ad9,1,1%5D&series=%5Bmozilla-central,ae68c64ef8bfa104fded89971f1c2c6c90926dca,1,1%5D&series=%5Bmozilla-central,dd55da63ebce86ee3867aa3b39975c2a90869ce2,1,1%5D
it affects some of our talos tests too (the ones running on non-pgo).
You can see the full set of talos changes here:
https://treeherder.mozilla.org/perf.html#/alerts?id=7009
Will
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