ZJIT.enable

# File tmp/rubies/ruby-4.0.0/zjit.rb, line 31
def enable
  return false if enabled?

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

  Primitive.rb_zjit_enable
end