Subject: bug#27016: possible bug in `defsetf'

From: Stefan Monnier <[email-masked]>
Date: Sun, 28 May 2017 16:45:35 -0400

> Is the difference in Emacs-23 not just eager macroexpansion?

Could be.  But I'm more worried about the byte-compiled case.

> Both the Emacs-23 and the current code seem to expand to (put 'foobar
> ...).

Beware: there's macro-expansion and then there's macro-expansion.
[ See byte-compile-macro-environment.  ]

        Stefan