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[Impeller] Fix golden flake due to rand use. #50743
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…143657) flutter/engine@0ebd580...f636f96 2024-02-17 bdero@google.com [Impeller] Fix golden flake due to rand use. (flutter/engine#50743) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC jsimmons@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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Now that we're capturing goldens, we shouldn't use
std::randhere. Explicitly seeded pseudorandom generators offered by the runtime or STL may also result in flakes as the runtime is updated over time.