3 files changed, 15 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog
index 9bd52b1eff..f6ad6f45fa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jul 30 09:27:44 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* bignum.c (big_lshift, big_rshift): return Bignum always withou
+	  normalization.  [ruby-dev:38680]
+
 Wed Jul 29 11:19:47 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* io.c (argf_close): always call #close method.  [ruby-core:23853]
diff --git a/bignum.c b/bignum.c
index 7f14aee709..8e27369090 100644
--- a/bignum.c
+++ b/bignum.c
@@ -2038,8 +2038,8 @@ rb_big_lshift(x, y)
 	y = rb_to_int(y);
     }
 
-    if (neg) return big_rshift(x, shift);
-    return big_lshift(x, shift);
+    x = neg ? big_rshift(x, shift) : big_lshift(x, shift);
+    return bignorm(x);
 }
 
 static VALUE
@@ -2067,7 +2067,7 @@ big_lshift(x, shift)
 	num = BIGDN(num);
     }
     *zds = BIGLO(num);
-    return bignorm(z);
+    return z;
 }
 
 /*
@@ -2107,8 +2107,8 @@ rb_big_rshift(x, y)
 	y = rb_to_int(y);
     }
 
-    if (neg) return big_lshift(x, shift);
-    return big_rshift(x, shift);
+    x = neg ? big_lshift(x, shift) : big_rshift(x, shift);
+    return bignorm(x);
 }
 
 static VALUE
@@ -2153,7 +2153,7 @@ big_rshift(x, shift)
     if (!RBIGNUM(x)->sign) {
 	get2comp(z);
     }
-    return bignorm(z);
+    return z;
 }
 
 /*
diff --git a/version.h b/version.h
index 7274bfdc3e..7c0ac210b6 100644
--- a/version.h
+++ b/version.h
@@ -1,15 +1,15 @@
 #define RUBY_VERSION "1.8.7"
-#define RUBY_RELEASE_DATE "2009-07-29"
+#define RUBY_RELEASE_DATE "2009-07-30"
 #define RUBY_VERSION_CODE 187
-#define RUBY_RELEASE_CODE 20090729
-#define RUBY_PATCHLEVEL 191
+#define RUBY_RELEASE_CODE 20090730
+#define RUBY_PATCHLEVEL 192
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 7
 #define RUBY_RELEASE_YEAR 2009
 #define RUBY_RELEASE_MONTH 7
-#define RUBY_RELEASE_DAY 29
+#define RUBY_RELEASE_DAY 30
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];