[O] bug#19887: 24.4; Cannot kill buffer; Wrong type argument: overlayp, nil

[Damian Nadales]

Hi Glenn,

> Damian Nadales wrote:
>
>
> > -          Run emacs -Q
> >
> > -          Create an org-mode file (i.e. ``myorgfile.org``)
> >
> > -          Insert the following text:
> >
> > o   #+BEGIN_SRC C++
> >
> > #+END_SRC
> >
> > -          Edit the source block by placing the cursor inside the SRC block.
> >
[Damian Nadales]
By the way, here editing should be done by placing the cursor in the org buffer 
``myorgfile.org``, and then pressing C-' to edit the source code in a different 
buffer. And this is the buffer that cannot be killed.

> > -          Start C++ mode (c++-mode)
> >
> > -          Try to kill the buffer.
>
> Please do
>
> M-x toggle-debug-on-error
>
> repeat the problem, and post the resulting backtrace.
> (I can't reproduce it.)
[Damian Nadales]
This is what I got.

Debugger entered--Lisp error: (wrong-type-argument overlayp nil)
  delete-overlay(nil)
  #[nil "\301!\207" [org-edit-src-overlay delete-overlay] 2]()
  kill-buffer("*Org Src myorgfile.org[ c++ ]*")
  call-interactively(kill-buffer nil nil)
  command-execute(kill-buffer)

Thanks for your help.
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