From e50344b5dae6dc1bba5858c3c0ec74a500050f26 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Fri, 8 Nov 2019 23:38:40 +0900
Subject: Avoid unnecessary `Symbol#to_s` call; fix #4812

---
 src/string.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

(limited to 'src/string.c')

diff --git a/src/string.c b/src/string.c
index 251e00628..bf0d696d7 100644
--- a/src/string.c
+++ b/src/string.c
@@ -1943,15 +1943,10 @@ mrb_str_intern(mrb_state *mrb, mrb_value self)
 MRB_API mrb_value
 mrb_obj_as_string(mrb_state *mrb, mrb_value obj)
 {
-  mrb_value str;
-
   if (mrb_string_p(obj)) {
     return obj;
   }
-  str = mrb_funcall(mrb, obj, "to_s", 0);
-  if (!mrb_string_p(str))
-    return mrb_any_to_s(mrb, obj);
-  return str;
+  return mrb_str_to_str(mrb, obj);
 }
 
 MRB_API mrb_value
-- 
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