Issue #12920 has been updated by Usaku NAKAMURA.

Backport changed from 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN to 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: REQUIRED

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Bug #12920: Strange NoMethodError in Time.now
https://bugs.ruby-lang.org/issues/12920#change-61533

* Author: Kouhei Yanagita
* Status: Closed
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.4.0dev (2016-11-10 trunk 56692) [x86_64-darwin15]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: REQUIRED
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I got a strange NoMethodError in Time.now.

~~~
Integer.prepend(Module.new)
module Foo
  refine Integer do
    define_method(:+) { }
  end
end
Time.now
~~~

~~~
% ~/tmp/ruby-trunk/bin/ruby -v a.rb
ruby 2.4.0dev (2016-11-10 trunk 56692) [x86_64-darwin15]
a.rb:7:in `initialize': undefined method `+' for 1478773005000000000:Integer (NoMethodError)
	from a.rb:7:in `now'
	from a.rb:7:in `<main>'
~~~



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