3 files changed, 9 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index ccf2b0a1d3..731ff9d632 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Apr 30 21:11:08 2016  Tanaka Akira  <akr@fsij.org>
+
+	* numeric.c (rb_int_plus): Define Integer#+.
+
+	* bignum.c (rb_big_plus): Don't define Bignum#+.
+
 Sat Apr 30 21:01:20 2016  Tanaka Akira  <akr@fsij.org>
 
 	* numeric.c (rb_int_minus): Define Integer#-.
diff --git a/bignum.c b/bignum.c
index db550a1d7d..1355ec0d1d 100644
--- a/bignum.c
+++ b/bignum.c
@@ -5767,13 +5767,6 @@ bigadd(VALUE x, VALUE y, int sign)
     return z;
 }
 
-/*
- *  call-seq:
- *     big + other  -> Numeric
- *
- *  Adds big and other, returning the result.
- */
-
 VALUE
 rb_big_plus(VALUE x, VALUE y)
 {
@@ -6828,7 +6821,6 @@ Init_Bignum(void)
     rb_cBignum = rb_define_class("Bignum", rb_cInteger);
 
     rb_define_method(rb_cBignum, "coerce", rb_big_coerce, 1);
-    rb_define_method(rb_cBignum, "+", rb_big_plus, 1);
     rb_define_method(rb_cBignum, "/", rb_big_div, 1);
 
     rb_define_method(rb_cBignum, "===", rb_big_eq, 1);
diff --git a/numeric.c b/numeric.c
index be66fd0685..8214873fc1 100644
--- a/numeric.c
+++ b/numeric.c
@@ -3223,9 +3223,10 @@ rb_int2str(VALUE x, int base)
 }
 
 /*
+ * Document-method: Integer#+
  * Document-method: Fixnum#+
  * call-seq:
- *   fix + numeric  ->  numeric_result
+ *   int + numeric  ->  numeric_result
  *
  * Performs addition: the class of the resulting object depends on the class of
  * +numeric+ and on the magnitude of the result. It may return a Bignum.
@@ -4940,6 +4941,7 @@ Init_Numeric(void)
 
     rb_define_method(rb_cInteger, "-@", rb_int_uminus, 0);
     rb_define_method(rb_cFixnum, "+", fix_plus, 1);
+    rb_define_method(rb_cInteger, "+", rb_int_plus, 1);
     rb_define_method(rb_cFixnum, "-", fix_minus, 1);
     rb_define_method(rb_cInteger, "-", rb_int_minus, 1);
     rb_define_method(rb_cFixnum, "*", fix_mul, 1);