From 02b1a85385e7fd18b8bcecfdbbf1acbac703c039 Mon Sep 17 00:00:00 2001
From: Luke Gruber <luke.gru@gmail.com>
Date: Mon, 10 Jun 2019 16:46:57 -0400
Subject: [PATCH] remove 2 redundant calls to rb_str_dup

Because `rb_class_path` calls `rb_str_dup` already.

Closes: https://github.com/ruby/ruby/pull/2232
---
 error.c  | 2 +-
 object.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/error.c b/error.c
index 19265f65cb..ffe34afc11 100644
--- a/error.c
+++ b/error.c
@@ -1098,7 +1098,7 @@ exc_inspect(VALUE exc)
     klass = CLASS_OF(exc);
     exc = rb_obj_as_string(exc);
     if (RSTRING_LEN(exc) == 0) {
-	return rb_str_dup(rb_class_name(klass));
+	return rb_class_name(klass);
     }
 
     str = rb_str_buf_new2("#<");
diff --git a/object.c b/object.c
index 00a70898f3..17964bb5c8 100644
--- a/object.c
+++ b/object.c
@@ -1800,7 +1800,7 @@ rb_mod_to_s(VALUE klass)
 	rb_str_cat2(s, ">");
 	return s;
     }
-    return rb_str_dup(rb_class_name(klass));
+    return rb_class_name(klass);
 }
 
 /*