RubyVM::YJIT.enable

# File tmp/rubies/ruby-4.0.0/yjit.rb, line 48
def self.enable(stats: false, log: false, mem_size: nil, call_threshold: nil)
  return false if enabled?

  if Primitive.cexpr! 'RBOOL(rb_zjit_enabled_p)'
    warn("Only one JIT can be enabled at the same time.")
    return false
  end

  if mem_size
    raise ArgumentError, "mem_size must be a Integer" unless mem_size.is_a?(Integer)
    raise ArgumentError, "mem_size must be between 1 and 2048 MB" unless (1..2048).include?(mem_size)
  end

  if call_threshold
    raise ArgumentError, "call_threshold must be a Integer" unless call_threshold.is_a?(Integer)
    raise ArgumentError, "call_threshold must be a positive integer" unless call_threshold.positive?
  end

  at_exit { print_and_dump_stats } if stats
  Primitive.rb_yjit_enable(stats, stats != :quiet, log, log != :quiet, mem_size, call_threshold)
end