From 1f554ff8540d61e30d0e649bf80c0ecd27b40ad6 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Wed, 16 Nov 2016 02:10:44 +0900
Subject: Fixed rindex calling into mrb_equal bug

Fixed by Alex Snaps and reported by Mathieu Leduc-Hamel,
both from shopify.com.  Thank you!
---
 test/t/array.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'test/t')

diff --git a/test/t/array.rb b/test/t/array.rb
index 538ea0c3f..d887c117b 100644
--- a/test/t/array.rb
+++ b/test/t/array.rb
@@ -347,3 +347,15 @@ assert("Array (Longish inline array)") do
   ary.each {|p| h[p.class] += 1}
   assert_equal({Array=>200}, h)
 end
+
+assert("Array#rindex") do
+  class Sneaky
+    def ==(*)
+      $a.clear
+      $a.replace([1])
+      false
+    end
+  end
+  $a = [2, 3, 4, 5, 6, 7, 8, 9, 10, Sneaky.new]
+  assert_equal 0, $a.rindex(1)
+end
-- 
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