From 495548ace4587df43d30b021cfa6b2f84c9d9d44 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 11 Nov 2014 01:42:01 +0000
Subject: [PATCH] * string.c (sym_equal): use rb_obj_equal().   rb_obj_equal()
 is specially optimized in   opt_eq_func()@vm_insnhelper.c.   This fix is made
 from this discussion:  
 https://www.omniref.com/ruby/2.1.4/symbols/Symbol/%3D%3D#line=8361.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48369 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 9 +++++++++
 string.c  | 8 +-------
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 89eda3ebb4..60e01c071b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+Tue Nov 11 10:37:09 2014  Koichi Sasada  <ko1@atdot.net>
+
+	* string.c (sym_equal): use rb_obj_equal().
+	  rb_obj_equal() is specially optimized in
+	  opt_eq_func()@vm_insnhelper.c.
+
+	  This fix is made from this discussion:
+	  https://www.omniref.com/ruby/2.1.4/symbols/Symbol/%3D%3D#line=8361.
+
 Tue Nov 11 09:38:55 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* lib/rdoc/known_classes.rb: reverted regression changes of
diff --git a/string.c b/string.c
index 84481dfe8c..c8ed9fd604 100644
--- a/string.c
+++ b/string.c
@@ -8484,13 +8484,7 @@ str_scrub_bang(int argc, VALUE *argv, VALUE str)
  *  symbol, returns <code>true</code>.
  */
 
-static VALUE
-sym_equal(VALUE sym1, VALUE sym2)
-{
-    if (sym1 == sym2) return Qtrue;
-    return Qfalse;
-}
-
+#define sym_equal rb_obj_equal
 
 static int
 sym_printable(const char *s, const char *send, rb_encoding *enc)