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[compiler-rt] libFuzzer: update -merge_control_file= help message.

Authored by Dor1s on Dec 12 2019, 8:54 AM.



The motivation for this change is to have a distinguisher in libFuzzer
that would let the runner know whether multistep merge is supported or not by
a particular fuzz target binary. Otherwise, multistep merge fails to execute
with older version of libFuzzer, and there is no way to verify that easily.

Event Timeline

Dor1s created this revision.Dec 12 2019, 8:54 AM
Herald added projects: Restricted Project, Restricted Project. · View Herald TranscriptDec 12 2019, 8:54 AM
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kcc accepted this revision.Dec 12 2019, 10:58 AM
This revision is now accepted and ready to land.Dec 12 2019, 10:58 AM