[DOC] add links to `Object#hash`

add links to `Object#hash` to each #`hash` methods rdocs.
[Fixes GH-567]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/re.c b/re.c
index d7ffeb040c..106cf593ac 100644
--- a/re.c
+++ b/re.c
@@ -2583,6 +2583,8 @@ static st_index_t reg_hash(VALUE re);
  *   rxp.hash   -> fixnum
  *
  * Produce a hash based on the text and options of this regular expression.
+ *
+ * See also Object#hash.
  */
 
 static VALUE
@@ -2641,6 +2643,8 @@ rb_reg_equal(VALUE re1, VALUE re2)
  *
  * Produce a hash based on the target string, regexp and matched
  * positions of this matchdata.
+ *
+ * See also Object#hash.
  */
 
 static VALUE