From c0cc34b6e1d861ee2182ceca9a9270cf2fe05f9a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 27 Sep 2016 15:21:01 +0000
Subject: error.c: check argument of Warning.warn

* error.c (rb_warning_s_warn): the argument must be an
  ASCII-compatible string.  [ruby-core:77430] [Bug #12793]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56274 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 error.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'error.c')

diff --git a/error.c b/error.c
index 2fcacfaa5b..4758961e93 100644
--- a/error.c
+++ b/error.c
@@ -152,6 +152,8 @@ ruby_only_for_internal_use(const char *func)
 static VALUE
 rb_warning_s_warn(VALUE mod, VALUE str)
 {
+    Check_Type(str, T_STRING);
+    rb_must_asciicompat(str);
     rb_write_error_str(str);
     return Qnil;
 }
-- 
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