* time.c (rb_localtime_r2): get rid of infinite loop bug of

localtime() on x86_64-darwin.  [ruby-core:30031]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27641 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu May  6 17:16:42 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* time.c (rb_localtime_r2): get rid of infinite loop bug of
+	  localtime() on x86_64-darwin.  [ruby-core:30031]
+
 Thu May  6 15:56:12 2010  Aaron Patterson <aaron@tenderlovemaking.com>
 
 	* ext/fiddle/*: Adding fiddle library to wrap libffi

time.c

@@ -863,6 +863,9 @@ rb_localtime_r(const time_t *tp, struct tm *result)
 static struct tm *
 rb_localtime_r2(const time_t *t, struct tm *result)
 {
+#if defined __APPLE__ && defined __LP64__
+    if (*t != (time_t)(int)*t) return NULL;
+#endif
     result = rb_localtime_r(t, result);
 #if defined(HAVE_MKTIME) && defined(LOCALTIME_OVERFLOW_PROBLEM)
     if (result) {