Subject: bug#22729: 25.0.50; cl-union ignores :test when lists are equal

From: Nicolas Richard <[email-masked]>
Date: Tue, 23 Feb 2016 18:26:43 +0100

Lars Ingebrigtsen <[email-masked]> writes:
> And that's because the two "foo" strings are eql here.  Apparently the
> Emacs reader is being clever...

I'm surprised because it didn't fail for me.

As a test, this:
    emacs --batch -Q --eval '(let ((str1 "foo") (str2 "foo")) (message "%S" (eql str1 str2)))'
returns nil for me.

Nicolas.