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[libFuzzer] document one more desired feature of a fuzz target

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llvm-svn: 289622
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Kostya Serebryany 2016-12-14 01:31:21 +00:00
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docs/LibFuzzer.rst
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@ -84,6 +84,7 @@ Some important things to remember about fuzz targets:
* It must be as deterministic as possible. Non-determinism (e.g. random decisions not based on the input bytes) will make fuzzing inefficient.
* It must be fast. Try avoiding cubic or greater complexity, logging, or excessive memory consumption.
* Ideally, it should not modify any global state (although that's not strict).
* Usually, the narrower the target the better. E.g. if your target can parse several data formats, split it into several targets, one per format.
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