Locally and on pernosco we have been able to verify that this `pipe()` call generates `(7, 9)`, so this is likely the culprit
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Locally and on pernosco we have been able to verify that this `pipe()` https://searchfox.org/mozilla-central/rev/e637cd67f98ed4272d13a96db9a7674689122dcb/tools/profiler/core/platform.cpp#653 call generates `(7, 9)`, so this is likely the culprit