From: Tanaka Akira <akr@...>
Date: 2007-07-12T12:38:03+09:00
Subject: [ruby-dev:31190] 0x3fffffffffffffff.succ

LP64 環境で 0x3fffffffffffffff.succ が -4611686018427387904
になります。

% ./ruby -ve 'p 0x3fffffffffffffff.succ'
ruby 1.9.0 (2007-07-12 patchlevel 0) [x86_64-freebsd6.2]
-4611686018427387904
-- 
[田中 哲][たなか あきら][Tanaka Akira]