Example of running crystal lang with broken llvm

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% crystal spec                                                                                                                                                                  ✭
Usage: crystal [command] [switches] [program file] [--] [arguments]

Command:
    init                     generate a new project
    build                    build an executable
    deps                     install project dependencies
    docs                     generate documentation
    env                      print Crystal environment information
    eval                     eval code from args or standard input
    play                     starts crystal playground server
    run (default)            build and run program
    spec                     build and run specs (in spec directory)
    tool                     run a tool
    help, --help, -h         show this help
    version, --version, -v   show version


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