morehouse added a comment.

In https://reviews.llvm.org/D38642#890963, @kcc wrote:

> It's not about coverage instrumentation (not) being present, but about 
> libFuzzer's main() being present, right?


Yes.

> Will we be able to reuse some of Justin's code instead of creating one more 
> main() function?

This reuses the code that Justin moved to FuzzMutate/FuzzerCLI.  That's why the 
main is so short.  But perhaps we could move the main itself into FuzzerCLI?

> Or, why not link with libFuzzer (-fsanitize=fuzzer at link time) even if we 
> don't us einstrumentation at compile time?

When I tried this, I got undefined references to all kinds of 
`__sanitizer_cov_*` symbols.


https://reviews.llvm.org/D38642



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