[Webkit-unassigned] [Bug 167802] New: Support -v / --version in `jsc` binary

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=167802

            Bug ID: 167802
           Summary: Support -v / --version in `jsc` binary
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mathias at qiwi.be

There is currently no way to figure out the version of a given `jsc` binary:

```
$ jsc -v
Could not open file: -v

$ jsc --version
ERROR: invalid option: --version
>>> ^D

$ jsc --help
Usage: jsc [options] [files] [-- arguments]
  -d         Dumps bytecode (debug builds only)
  -e         Evaluate argument as script code
  -f         Specifies a source file (deprecated)
  -h|--help  Prints this help message
  -i         Enables interactive mode (default if no files are specified)
  -m         Execute as a module
  -s         Installs signal handlers that exit on a crash (Unix platforms only)
  -p <file>  Outputs profiling data to a file
  -x         Output exit code before terminating

  --sample                   Collects and outputs sampling profiler data
  --test262-async            Check that some script calls the print function with the string 'Test262:AsyncTestComplete'
  --strict-file=<file>       Parse the given file as if it were in strict mode (this option may be passed more than once)
  --module-file=<file>       Parse and evaluate the given file as module (this option may be passed more than once)
  --exception=<name>         Check the last script exits with an uncaught exception with the specified name
  --options                  Dumps all JSC VM options and exits
  --dumpOptions              Dumps all non-default JSC VM options before continuing
  --<jsc VM option>=<value>  Sets the specified JSC VM option
```

Please consider making `-v` / `--version` (and possibly `-h` / `--help`) output something useful.

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