akr	2010-04-01 04:56:04 +0900 (Thu, 01 Apr 2010)

  New Revision: 27133

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=27133

  Log:
    * time.c (rb_big_abs_find_minbit): fix handling the last word.

  Modified files:
    trunk/ChangeLog
    trunk/test/ruby/test_time.rb
    trunk/time.c

Index: time.c
===================================================================
--- time.c	(revision 27132)
+++ time.c	(revision 27133)
@@ -343,7 +343,7 @@
         return Qnil;
     res = mul(LONG2NUM(i), INT2FIX(SIZEOF_BDIGITS * CHAR_BIT));
     d = ds[i];
-    res = add(res, LONG2FIX(bdigit_find_maxbit(d)));
+    res = add(res, LONG2FIX(bdigit_find_maxbit(d & -d)));
     return res;
 }
 
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 27132)
+++ ChangeLog	(revision 27133)
@@ -1,3 +1,7 @@
+Thu Apr  1 04:55:08 2010  Tanaka Akira  <akr@f...>
+
+	* time.c (rb_big_abs_find_minbit): fix handling the last word.
+
 Thu Apr  1 04:30:11 2010  Tanaka Akira  <akr@f...>
 
 	* time.c (long_mul): overflow condition changed.
Index: test/ruby/test_time.rb
===================================================================
--- test/ruby/test_time.rb	(revision 27132)
+++ test/ruby/test_time.rb	(revision 27133)
@@ -181,6 +181,8 @@
     assert_equal(-146138510344, t.year)
     t = Time.at(-0x5000_0000_0000_0001)
     assert_equal(-182673138422, t.year)
+    t = Time.at(-0x6000_0000_0000_0000)
+    assert_equal(-219207766501, t.year)
   end
 
   def test_at2

--
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