fails:Array#pack with format 'P' ignores whitespace in the format string
fails:Array#pack with format 'P' calls #to_str to coerce the directives string
fails:Array#pack with format 'P' taints the output string if the format string is tainted
fails:Array#pack with format 'P' returns a String whose size is the number of bytes in a machine word
fails:Array#pack with format 'p' ignores whitespace in the format string
fails:Array#pack with format 'p' calls #to_str to coerce the directives string
fails:Array#pack with format 'p' taints the output string if the format string is tainted
fails:Array#pack with format 'p' returns a String whose size is the number of bytes in a machine word
