Issue #3723 has been updated by Yui NARUSE.

Status changed from Open to Assigned
Assigned to set to Koichi Sasada

As you said, it seems useless variable.

But if block_iseq of rb_control_frame_t is simply removed, it breaks ABI compatibility.

I assign this to ko1.
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http://redmine.ruby-lang.org/issues/show/3723

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http://redmine.ruby-lang.org