Subject: bug#21824: 25.0.50; overlay modification-hooks called with wrong buffer

From: Eli Zaretskii <[email-masked]>
Date: Fri, 06 Nov 2015 17:37:13 +0200

> Date: Fri, 06 Nov 2015 17:23:41 +0200
> From: Eli Zaretskii <[email-masked]>
> Cc: [email-masked]
> 
> I will see about adding a test for this tricky failure.

Actually, would you like converting your test case into a test, and
post a patch to the test suite to that effect?  TIA.