Issue #12961 has been reported by Damjan Cilenek.

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Bug #12961: Bad value for range using infinity for Date or Time
https://bugs.ruby-lang.org/issues/12961

* Author: Damjan Cilenek
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.2p217 (2016-11-15 revision 56796) [x86_64-darwin16]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
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How to reproduce:

~~~ ruby
-Float::INFINITY...Float::INFINITY # works
Date.today...Float::INFINITY # works
-Float::INFINITY...Date.today # fails with "ArgumentError: bad value for range"
Time.now...Float::INFINITY #fails with "ArgumentError: bad value for range"
-Float::INFINITY...Time.now #fails with "ArgumentError: bad value for range"
~~~

There's one similar bug report for 1.9.3, obviously still not resolved



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