[ruby-core:75093] [Ruby trunk Bug#12291] Struct member accessor is not consistent with hash access when keys are repeated

Issue #12291 has been updated by Usaku NAKAMURA.

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

ruby_2_2 r54685 merged revision(s) 54611,54612.

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Bug #12291: Struct member accessor is not consistent with hash access when keys are repeated
https://bugs.ruby-lang.org/issues/12291#change-58218

* Author: James Coleman
* Status: Closed
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin15]
* Backport: 2.1: REQUIRED, 2.2: DONE, 2.3: DONE
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~~~
irb(main):001:0> foo = Struct.new(:a, :a).new("1", "2")
=> #<struct a="1", a="2">
irb(main):002:0> foo.a
=> "2"
irb(main):003:0> foo['a']
=> "1"
irb(main):004:0> foo.members
=> [:a, :a]
irb(main):005:0> foo.to_h
=> {:a=>"2"}
~~~



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