https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79978
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> --- I don't know of any compiler that defines this, but I once started this work for GCC: <https://people.redhat.com/mpolacek/www/analyzability.html>. It was spurred by Joseph's comment here: <https://gcc.gnu.org/ml/gcc-patches/2013-12/msg01620.html>.
