parse.y: no reduction with 1

* parse.y (parser_set_integer_literal): use rb_rational_raw1() for
  integral rational because no reduction is needed with 1.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42350 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index f9a3a55a47..d5063d4d54 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Aug  3 10:33:52 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (parser_set_integer_literal): use rb_rational_raw1() for
+	  integral rational because no reduction is needed with 1.
+
 Sat Aug  3 09:46:07 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/etc/etc.c (setup_passwd, setup_group): set proper encodings to
diff --git a/parse.y b/parse.y
index c2f5cf04fc..f392be7bfa 100644
--- a/parse.y
+++ b/parse.y
@@ -6428,7 +6428,7 @@ parser_set_integer_literal(struct parser_params *parser, VALUE v, int suffix)
 {
     int type = tINTEGER;
     if (suffix & NUM_SUFFIX_R) {
-	v = rb_rational_new(v, INT2FIX(1));
+	v = rb_rational_raw1(v);
 	type = tRATIONAL;
     }
     return set_number_literal(v, type, suffix);