* bignum.c (bignorm): Don't call bigtrunc if the result is a fixnum.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/bignum.c b/bignum.c
index b0dc48c59b..be9c1e2740 100644
--- a/bignum.c
+++ b/bignum.c
@@ -322,7 +322,9 @@ static VALUE
 bignorm(VALUE x)
 {
     if (RB_TYPE_P(x, T_BIGNUM)) {
-	x = bigfixize(bigtrunc(x));
+	x = bigfixize(x);
+        if (!FIXNUM_P(x))
+            bigtrunc(x);
     }
     return x;
 }