bug#39180: 27.0.50; [PATCH] Use expressions as memory location in gdb-mi memory buffer

[Eli Zaretskii]

> From: Yuan Fu <casouri@gmail.com>
> Date: Fri, 31 Jan 2020 21:25:00 -0500
> Cc: 39180@debbugs.gnu.org
> 
> And here is the new patch.

Thanks, I pushed it to the master branch.  I had to make some minor
editing changes in the commit log message; please see what I changed
and try to follow this style in the future.