akr	2013-06-18 12:37:53 +0900 (Tue, 18 Jun 2013)

  New Revision: 41374

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=41374

  Log:
    * bignum.c (rb_big_xor): Non-effective code removed.

  Modified files:
    trunk/ChangeLog
    trunk/bignum.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 41373)
+++ ChangeLog	(revision 41374)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Tue Jun 18 12:25:16 2013  Tanaka Akira  <akr@f...>
+
+	* bignum.c (rb_big_xor): Non-effective code removed.
+
 Tue Jun 18 11:26:05 2013  Koichi Sasada  <ko1@a...>
 
 	* gc.c (gc_stat): add `generated_normal_object_count_types' for
Index: bignum.c
===================================================================
--- bignum.c	(revision 41373)
+++ bignum.c	(revision 41374)
@@ -4638,8 +4638,6 @@ rb_big_xor(VALUE xx, VALUE yy) https://github.com/ruby/ruby/blob/trunk/bignum.c#L4638
 	ds2 = BDIGITS(y);
 	sign = RBIGNUM_SIGN(x);
     }
-    RBIGNUM_SET_SIGN(x, RBIGNUM_SIGN(x)?1:0);
-    RBIGNUM_SET_SIGN(y, RBIGNUM_SIGN(y)?1:0);
     z = bignew(l2, !(RBIGNUM_SIGN(x) ^ RBIGNUM_SIGN(y)));
     zds = BDIGITS(z);
 

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