Issue #10707 has been updated by Tomoyuki Chikanaga.

Backport changed from 2.0.0: DONTNEED, 2.1: REQUIRED, 2.2: DONE to 2.0.0: DONTNEED, 2.1: DONE, 2.2: DONE

Backported into `ruby_2_1` branch at r50131.

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Bug #10707: Segmentation fault when get refined new method in BasicObject
https://bugs.ruby-lang.org/issues/10707#change-51981

* Author: Seiei Higa
* Status: Closed
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.0dev (2015-01-07 trunk 49171) [x86_64-darwin13]
* Backport: 2.0.0: DONTNEED, 2.1: DONE, 2.2: DONE
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following code cause SEGV in ruby-trunk, 2.2.0, 2.1.5

``` ruby
module RefinementBug
  refine BasicObject do
    def foo
    end
  end
end

method(:foo)
```

it should be raise NameError like:

```
/Users/hanachin/tmp/bug.rb:8:in `method': undefined method `foo' for class `Object' (NameError)
	from /Users/hanachin/tmp/bug.rb:8:in `<main>'
```

---Files--------------------------------
bug.rb (89 Bytes)
miniruby_2015-01-07-215224_Module.crash (10.4 KB)
0001-vm_method.c-no-klass-no-method-entry.patch (1.37 KB)


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