Does it have "Slaughterhouse" (see https://bugzilla.mozilla.org/show_bug.cgi?id=929539 https://bugzilla.mozilla.org/show_bug.cgi?id=929539 and http://bholley.ne

Does it have "Slaughterhouse" (see https://bugzilla.mozilla.org/show_bug.cgi?id=929539 https://bugzilla.mozilla.org/show_bug.cgi?id=929539 and http://bholley.net/blog/2016/the-right-fix.html http://bholley.net/blog/2016/the-right-fix.html) ? This is not the only incident where Mozilla people have suggested hiding bugs until an old ESR goes end of life BTW.