From 703a24a9478e83925e4275d126bb54848a72076b Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 16 Dec 2015 07:11:41 +0000
Subject: merge revision(s) 53039: [Backport #11804]

	* insns.def (opt_case_dispatch): avoid converting Infinity

	* test/ruby/test_optimization.rb (test_opt_case_dispatch_inf): new
	  [ruby-dev:49423] [Bug #11804]'


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@53147 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_optimization.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb
index c484dcd0c8..6e22891ddd 100644
--- a/test/ruby/test_optimization.rb
+++ b/test/ruby/test_optimization.rb
@@ -242,4 +242,15 @@ class TestRubyOptimization < Test::Unit::TestCase
       end;
     end
   end
+
+  def test_opt_case_dispatch_inf
+    inf = 1.0/0.0
+    result = case inf
+             when 1 then 1
+             when 0 then 0
+             else
+               inf.to_i rescue nil
+             end
+    assert_nil result, '[ruby-dev:49423] [Bug #11804]'
+  end
 end
-- 
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