bignum.c: redundant expression

* bignum.c (LSHIFTX): remove redundant never-true expression.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41611 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 5 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 395250707d..e6b767e544 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jun 25 11:39:34 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* bignum.c (LSHIFTX): remove redundant never-true expression.
+
 Tue Jun 25 00:55:54 2013  Masaya Tarui  <tarui@ruby-lang.org>
 
 	* gc.c (typedef struct rb_objspace): Change members for monitor objects.
diff --git a/bignum.c b/bignum.c
index ffd35cf5e4..f15cf832c7 100644
--- a/bignum.c
+++ b/bignum.c
@@ -39,7 +39,7 @@ static VALUE big_three = Qnil;
 #   define HOST_BIGENDIAN_P 0
 #endif
 #define ALIGNOF(type) ((int)offsetof(struct { char f1; type f2; }, f2))
-#define LSHIFTX(d, n) (sizeof(d) * CHAR_BIT <= (n) ? 0 : ((d) << (sizeof(d) * CHAR_BIT <= (n) ? 0 : (n))))
+#define LSHIFTX(d, n) (sizeof(d) * CHAR_BIT <= (n) ? 0 : ((d) << (n)))
 #define CLEAR_LOWBITS(d, numbits) ((d) & LSHIFTX(~((d)*0), (numbits)))
 #define FILL_LOWBITS(d, numbits) ((d) | (LSHIFTX(((d)*0+1), (numbits))-1))