[ruby-core:69388] [Ruby trunk - Bug #11188] [Open] Method#inspect for chaining alias methods

Issue #11188 has been reported by Koichi Sasada.

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Bug #11188: Method#inspect for chaining alias methods
https://bugs.ruby-lang.org/issues/11188

* Author: Koichi Sasada
* Status: Open
* Priority: Normal
* Assignee: Yukihiro Matsumoto
* ruby -v: 2.3dev
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
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The following script prints strange results (at least for me).

```ruby
class C0
  def foo
  end
end

class C1 < C0
  alias foo1 foo
  alias foo2 foo1
  alias foo3 foo2
end

p C1.new.method(:foo)
p C1.new.method(:foo1)
p C1.new.method(:foo2)
p C1.new.method(:foo3)
```

Result:

```
#<Method: C1(C0)#foo>
#<Method: C1(C0)#foo1(foo)>
#<Method: C1#foo2(foo)>
#<Method: C1#foo3(foo)>
```

I believe 3rd and 4th results should be:

```
#<Method: C1(C0)#foo2(foo)>
#<Method: C1(C0)#foo3(foo)>
```

How about it?




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