Re: backward-sexp throws scan-error "Unbalanced parentheses", but forward-sexp works

[ndame]

>> So the problem went away, because I upgraded to the latest version,
>> which is good, but I'm still wondering how the syntax parser got
>> confused because of indentation stuff.
>
> Good question.

Do you think it's possible that particular version of aggressive-indent-mode
exposed a latent bug in emacs' syntax handler?

Should I open a bug for emacs describing how the issue can be replicated
using that older aggressive-indent-mode version?