[ruby-core:78074] [Ruby trunk Bug#12920] Strange NoMethodError in Time.now

Issue #12920 has been updated by Akira Tanaka.


The problem is not reproduced with ruby-2.4.0-preview2.
The problem is reproduced with ruby-2.4.0-preview3.

It seems something changed between ruby-2.4.0-preview2 and ruby-2.4.0-preview3.


----------------------------------------
Bug #12920: Strange NoMethodError in Time.now
https://bugs.ruby-lang.org/issues/12920#change-61421

* Author: Kouhei Yanagita
* Status: Open
* 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: UNKNOWN
----------------------------------------
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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