From 51130a40f8cbcd076db4148c3b4ef67b4a1502bd Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 25 Apr 2017 08:17:24 +0000
Subject: load.c: backtrace of circular require

* load.c (load_lock): print backtrace of circular require via
  `Warning.warn` [ruby-core:80850] [Bug #13505]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58471 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 error.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'error.c')

diff --git a/error.c b/error.c
index e431a6f9b9..45106de851 100644
--- a/error.c
+++ b/error.c
@@ -145,10 +145,16 @@ rb_warning_s_warn(VALUE mod, VALUE str)
     return Qnil;
 }
 
+VALUE
+rb_warning_warn(VALUE mod, VALUE str)
+{
+    return rb_funcallv(mod, id_warn, 1, &str);
+}
+
 static void
 rb_write_warning_str(VALUE str)
 {
-    rb_funcall(rb_mWarning, id_warn, 1, str);
+    rb_warning_warn(rb_mWarning, str);
 }
 
 static VALUE
-- 
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