Re: buffer.c/buffer.h: How to add new buffer-local variables?

[Eli Zaretskii]

> Date:  Sat, 06 Apr 2019 19:50:14 -0700
> From:  Keith David Bershatsky <address@hidden>
> Cc:  address@hidden,Stefan Monnier <address@hidden>,Andreas Schwab 
> <address@hidden>,Alan Mackenzie <address@hidden>,Daniel Colascione 
> <address@hidden>,Paul Eggert <address@hidden>
> 
> Using an unsophisticated method of going back in time and building various 
> versions of Emacs on the w32 platform, I tracked down the inability to add a 
> few new buffer-local variables in buffer.c/buffer.h to a commit that occurred 
> on 01/31/2019:  05d2fc7170fb66a87601b1c76ddae2c1b7b4b934.

Is your GDB version 8.1 or later?  If so, please do this:

  $ cd /path/to/emacs/src
  $ gdb ./emacs.exe
  ...
  (gdb) start -Q
  ...
  (gdb) ptype /o current_buffer

and post here the result.  Please do this both in the build before and
after the above commit, and let us see both results.