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Exempt the clang subcommand when fuzzing. #4468

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merged 1 commit into from
Nov 1, 2024

Commits on Nov 1, 2024

  1. Exempt the clang subcommand when fuzzing.

    This teaches the driver library to track when its being used with
    fuzzing and disables the `clang` subcommand from actually running Clang.
    
    The Clang libraries have a large backlog of fuzzer-found issues that
    isn't being actively reduced, so we can't productively fuzz into it.
    This lets us more productively fuzz at the top level.
    
    This is also available on the command line itself, which should be
    useful if anyone wants to fuzz Carbon from the command line using tools
    like AFL -- they can inject this flag to avoid getting noise from the
    fuzzer hitting known issues in Clang.
    chandlerc committed Nov 1, 2024
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