bug#34826: Possible bug on "define-charset" of Emacs 27.0.50

[Eli Zaretskii]

> From: Ikki Tachikawa <tckwik@gmail.com>
> Date: Tue, 12 Mar 2019 19:36:29 +0900
> 
> Perhaps at the following code, Emacs 27.0.50 (newest HEAD Windows version) 
> fails.
> It works fine with Emacs 26.1.  Perhaps it happens independent of platform.
> 
>     (define-charset 'adobe-japan1 "Adobe-Japan1"
>       :map (file-name-sans-extension aj16map)
>       :invalid-code 128)))

What is aj16map?  I guess it's a variable that holds the name of a map
file?  Please show that file as well, as otherwise it's impossible to
reproduce and investigate this issue.

Thanks.