Bug #11254: [BUG] no corresponding cfp

• Status: Closed
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: -
• Backport: 2.0.0: DONTNEED, 2.1: DONTNEED, 2.2: DONE

[nobu (Nobuyoshi Nakada)]

2.1以降、以下のコードが[BUG] rb_vm_search_cf_from_ep: no corresponding cfpになります。

empty = Object.new
class << empty
  attr_reader :block
  def each(&block)
    @block = block
    self
  end
end
empty.first
empty.block.call

[nobu (Nobuyoshi Nakada)]

• Status changed from Assigned to Closed

Applied in changeset r50850.

---

vm.c: break from orphan block

• vm.c (rb_vm_search_cf_from_ep): break from orphan block is
  possible condition, but not [BUG].
  [ruby-core:69548] [Bug #11254]

[nagachika (Tomoyuki Chikanaga)]

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

Backported into ruby_2_2 at r51129.

[mame (Yusuke Endoh)]

• Related to Bug #18475: Yielding an element for Enumerator in another thread dumps core added