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[DFSan] Print an error before calling null extern_weak functions, incase dfsan instrumentation optimized out a null check.
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Authored by browneee on Apr 19 2022, 3:46 PM.

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browneee created this revision.Apr 19 2022, 3:46 PM
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vitalybuka accepted this revision.Apr 19 2022, 3:55 PM
This revision is now accepted and ready to land.Apr 19 2022, 3:55 PM