https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87034
--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> --- There was no comment on the patch I posted in August until two months later and I haven't yet had the time to address it: https://gcc.gnu.org/ml/gcc-patches/2018-10/msg00108.html The test case is still not diagnosed in GCC 9.
