* numeric.c (rb_num2ull): Cast double to unsigned LONG_LONG via

  LONG_LONG instead of double to unsigned LONG_LONG directly.
  This is a challenge to fix a test_num2ull(TestNum2int)
  failure (NUM2ULL(-1.0) should be "18446744073709551615" but was "0")
  on Mac OS X with 32bit clang.
  http://a.mrkn.jp/~mrkn/chkbuild/mountain_lion/ruby-trunk-m32-o0/log/20130328T191100Z.diff.html.gz


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/numeric.c b/numeric.c
index c9302fb0e8..bad9a63f25 100644
--- a/numeric.c
+++ b/numeric.c
@@ -2258,7 +2258,7 @@ rb_num2ull(VALUE val)
       case T_FLOAT:
 	if (RFLOAT_VALUE(val) < ULLONG_MAX_PLUS_ONE
             && LLONG_MIN_MINUS_ONE_IS_LESS_THAN(RFLOAT_VALUE(val))) {
-	    return (unsigned LONG_LONG)(RFLOAT_VALUE(val));
+	    return (unsigned LONG_LONG)(LONG_LONG)(RFLOAT_VALUE(val));
 	}
 	else {
 	    char buf[24];