Prism::CallOrWriteNode#message_loc

# File tmp/rubies/ruby-4.0.0/lib/prism/node.rb, line 3199
def message_loc
  location = @message_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @message_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end