[jruby-user] Can I enable invokedynamic in JRUBYC command

Hi I've read from the JRuby release log here
http://www.jruby.org/2013/10/07/jruby-1-7-5.html that the invokedynamic
has been disabled since JRuby 1.7.5. However, it still can be enabled
using -Xcompile.invokedynamic=true command.

I'm currently working on a research project in which I need to produce
the java class files explicitly and analyze those invokedynamic commands
in the byte codes. I tried to use a JRuby version later than 1.7.4 and
issued the following command:

jrubyc Xcompile.invokedynamic=true myfile.rb

But I get the following error:

    OptionParser::InvalidOption: invalid option:
-Xcompile.invokedynamic=true
        complete at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/1.9/optparse.rb:1542
           catch at org/jruby/RubyKernel.java:1282
        complete at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/1.9/optparse.rb:1540
  parse_in_order at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/1.9/optparse.rb:1380
           catch at org/jruby/RubyKernel.java:1282
  parse_in_order at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/1.9/optparse.rb:1347
          order! at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/1.9/optparse.rb:1341
        permute! at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/1.9/optparse.rb:1432
          parse! at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/1.9/optparse.rb:1453
    compile_argv at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/shared/jruby/compiler.rb:83
      initialize at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/1.9/optparse.rb:882
    compile_argv at
/Users/x5lai/.rvm/rubies/jruby-1.7.5/lib/ruby/shared/jruby/compiler.rb:35
          (root) at /Users/x5lai/.rvm/rubies/jruby-1.7.5/bin/jrubyc:5


Is it that this command flag is only present for the 'jruby' command and
not the 'jrubyc' command? Is there an equivalent parameter in jrubyc
command that I could turn on the invokedynamic in the byte codes
produced?

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