From: kuwamoto shintaro <beuniv@...>
Date: 2010-06-28T14:56:54+09:00
Subject: [ruby-dev:41754] Re: [Bug #3490][Assigned] test_pack_utf8 failure 	on mswin64

こんにちは

> Index: bignum.c
> ===================================================================
> --- bignum.c    (revision 28430)
> +++ bignum.c    (working copy)
> @@ -1189,8 +1189,9 @@ rb_big2long(VALUE x)
>  {
>     VALUE num = big2ulong(x, "long", TRUE);
>
> -    if ((SIGNED_VALUE)num < 0 &&
> -       (RBIGNUM_SIGN(x) || (SIGNED_VALUE)num != LONG_MIN)) {
> +    if (((SIGNED_VALUE)num > 0 && num > (SIGNED_VALUE)LONG_MAX) ||
> +       ((SIGNED_VALUE)num < 0 &&
> +        (RBIGNUM_SIGN(x) || (SIGNED_VALUE)num < (SIGNED_VALUE)LONG_MIN))) {
>        rb_raise(rb_eRangeError, "bignum too big to convert into `long'");
>     }
>     if (!RBIGNUM_SIGN(x)) return -(SIGNED_VALUE)num;
>
> それでは。
> --
> U.Nakamura <usa@garbagecollect.jp>
>
>
>

なかむらさんのパッチでテスト通りました。