The culprit appears to be https://github.com/flutter/flutter/pull/184768 Failure example: https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_ios%20ios_debug_workflow/3543/overview
The culprit appears to be #184768
Failure example: https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_ios%20ios_debug_workflow/3543/overview